7Baggers

Fastly, Inc
(NYSE:FSLY) 

FSLY stock logo

Fastly, Inc. operates an edge cloud platform for processing, serving, and securing its customer's applications in the United States, the Asia Pacific, Europe, and internationally. The edge cloud is a category of Infrastructure as a Service that enables developers to build, secure, and deliver digita...

Founded: 2011
IPO Price: $16 (May 17, 2019)
Full Time Employees: 752
Founder: Artur Bergman 
CEO: Kip Compton  
Sector: Technology
Industry: Software-Application
Chief Architect: Artur Bergman

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At a glance:
  • Revenue Growth Moderating with Mix Shift Toward Security: Fastly’s growth profile has been moderating versus earlier years, with an increasing emphasis on higher-value security offerings alongside its core edge delivery services.
  • Gross Margin and Efficiency Focus Remain Key to Story: Ongoing initiatives to improve network utilization, product mix, and operating discipline are central to expanding margins and moving the business toward stronger profitability.
  • Customer Concentration and Usage Volatility Persist: Performance can be sensitive to large customer traffic patterns and retention dynamics, making net expansion and diversification of the customer base important watch items.
  • Competitive Edge Infrastructure Market: Fastly operates in a highly competitive landscape (CDN, edge compute, and security) where differentiation, feature velocity, and pricing pressure can influence growth and margins.
  • Cash Flow Trajectory Depends on Operating Leverage: Free cash flow improvement is closely tied to scaling higher-margin products and maintaining cost control, with operating leverage expected to be a primary driver of longer-term value creation.
Bull Thesis:
  • Growing Demand for Edge Computing and Security: The overall market for edge computing, content delivery networks (CDNs), and web application security (WAF, DDoS) is expanding rapidly. Fastly, with its high-performance, programmable edge cloud platform, is well-positioned to capture a significant share of this growing demand as businesses increasingly move workloads closer to users for better performance and enhanced security.
  • Developer-First Platform and Innovation Lead: Fastly's platform is highly regarded by developers for its flexibility, programmability (e.g., Compute@Edge with WebAssembly), and performance. This developer-centric approach fosters strong customer loyalty, enables new use cases, and positions Fastly as an innovator in the edge computing space, attracting enterprises looking for advanced, customizable solutions.
  • Improving Gross Margins and Path to Profitability: Fastly has shown signs of improving its gross margins as it scales its infrastructure and optimizes network costs. Continued operational efficiencies and a focus on higher-value security and Compute@Edge services could further drive gross margin expansion, paving a clearer path towards sustainable operating profitability and positive free cash flow in the long term.
  • Strategic Importance of Security Offerings: Fastly's security portfolio, including its Next-Gen WAF and DDoS mitigation services, is becoming increasingly critical for enterprises. These offerings not only expand Fastly's total addressable market beyond traditional CDN but also provide a sticky, high-value service that can drive customer acquisition and increase average revenue per user, enhancing the platform's overall value proposition.
Bear Thesis:
  • Intense Competition and Pricing Pressure: Fastly operates in a highly competitive market dominated by large players like Akamai, Cloudflare, AWS CloudFront, and Google Cloud CDN, as well as numerous smaller specialized providers. This intense competition can lead to pricing pressure, making it challenging for Fastly to maintain or expand market share without impacting its revenue growth rates or profitability.
  • Persistent Unprofitability and Negative Free Cash Flow: Despite consistent revenue growth, Fastly has struggled to achieve sustained profitability and positive free cash flow. The company continues to invest heavily in R&D and sales & marketing, leading to ongoing operating losses. This raises concerns about its long-term financial sustainability and potential need for further capital raises, which could dilute existing shareholders.
  • Macroeconomic Headwinds and Enterprise Spending Slowdown: In an uncertain economic environment, enterprises may reduce or delay spending on new IT infrastructure projects or optimize existing cloud expenditures. A slowdown in enterprise digital transformation initiatives or a general tightening of IT budgets could directly impact Fastly's customer acquisition, expansion rates, and overall revenue growth.
  • Customer Concentration Risk: Historically, Fastly has faced risks associated with customer concentration, with a significant portion of its revenue coming from a few large customers (e.g., TikTok). While the company has made efforts to diversify its customer base, the potential for a large customer churn or reduced spending from key accounts remains a risk that could materially impact Fastly's financial performance.
Main Competitors:
  • Akamai Technologies ($AKAM) (Akamai Intelligent Edge Platform (CDN, Security, Edge Compute)), A long-standing leader in CDN, web security (WAF, DDoS), and edge computing. Akamai competes directly with Fastly across all core offerings, particularly for large enterprises and media companies requiring high performance and robust security at scale.
  • Cloudflare, Inc. ($NET) (Cloudflare Global Network (CDN, Security, Edge Compute Workers)), A major competitor known for its developer-friendly edge network, comprehensive security suite (WAF, DDoS, Bot Management), and serverless edge compute platform (Workers). Cloudflare competes with Fastly for modern web applications, API acceleration, and edge logic deployment, often appealing to similar developer audiences.
  • Amazon Web Services (AWS) ($AMZN) (Amazon CloudFront (CDN), AWS WAF, Lambda@Edge), AWS's native CDN service, deeply integrated with the broader AWS ecosystem. CloudFront competes with Fastly for content delivery, API acceleration, and edge security (AWS WAF) for companies already heavily invested in AWS infrastructure, offering a unified cloud experience.
  • Microsoft Azure ($MSFT) (Azure Front Door (Global Load Balancing, WAF, CDN), Azure CDN), Microsoft's global, scalable entry-point that uses the Microsoft global edge network to create fast, secure, and widely scalable web applications. Azure Front Door offers CDN, WAF, and global load balancing, competing with Fastly for enterprises leveraging the Azure cloud for their infrastructure and application delivery.
Moat:
Fastly operates in a highly competitive market for content delivery, edge computing, and web security. Its primary moat lies in its high-performance, real-time programmable edge cloud platform, offering granular control and low-latency content delivery through its unique VCL configuration language and WebAssembly-based Compute@Edge. Competition comes from established CDN providers like Akamai, modern edge platforms like Cloudflare that also emphasize developer experience and security, and hyperscale cloud providers (AWS, Azure, Google Cloud) that offer integrated CDN and edge services as part of their broader cloud ecosystems. Fastly differentiates by focusing on developer empowerment, performance, and real-time observability, aiming to serve customers who require highly customizable and performant edge solutions.
Income Statements:
Quarterly
Annual
    Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 
                                
      revenue
    173,021,000 172,612,000 158,223,000 148,709,000 144,474,000 140,579,000 137,206,000 132,371,000 133,520,000 137,777,000 127,816,000 122,831,000 117,564,000 119,321,000 108,504,000 102,518,000 102,382,000 97,717,000 86,735,000 85,026,000 84,852,000 82,649,000 70,638,000 74,663,000 62,924,000 58,936,000 49,797,000 46,173,000 
      yoy
    19.76% 22.79% 15.32% 12.34% 8.20% 2.03% 7.35% 7.77% 13.57% 15.47% 17.80% 19.81% 14.83% 22.11% 25.10% 20.57% 20.66% 18.23% 22.79% 13.88% 34.85% 40.24% 41.85% 61.70%     
      qoq
    0.24% 9.09% 6.40% 2.93% 2.77% 2.46% 3.65% -0.86% -3.09% 7.79% 4.06% 4.48% -1.47% 9.97% 5.84% 0.13% 4.77% 12.66% 2.01% 0.21% 2.67% 17.00% -5.39% 18.66% 6.77% 18.35% 7.85%  
      cost of revenue
    64,840,000 66,652,000 65,894,000 67,593,000 67,676,000 65,516,000 62,466,000 59,470,000 60,286,000 62,003,000 61,730,000 58,617,000 57,310,000 56,738,000 55,825,000 56,466,000 53,915,000 47,944,000 41,244,000 40,320,000 37,494,000 33,753,000 29,292,000 29,697,000 27,265,000 25,528,000 22,292,000 20,784,000 
      gross profit
    108,181,000 105,960,000 92,329,000 81,116,000 76,798,000 75,063,000 74,740,000 72,901,000 73,234,000 75,774,000 66,086,000 64,214,000 60,254,000 62,583,000 52,679,000 46,052,000 48,467,000 49,773,000 45,491,000 44,706,000 47,358,000 48,896,000 41,346,000 44,966,000 35,659,000 33,408,000 27,505,000 25,389,000 
      yoy
    40.86% 41.16% 23.53% 11.27% 4.87% -0.94% 13.10% 13.53% 21.54% 21.08% 25.45% 39.44% 24.32% 25.74% 15.80% 3.01% 2.34% 1.79% 10.03% -0.58% 32.81% 46.36% 50.32% 77.11%     
      qoq
    2.10% 14.76% 13.82% 5.62% 2.31% 0.43% 2.52% -0.45% -3.35% 14.66% 2.92% 6.57% -3.72% 18.80% 14.39% -4.98% -2.62% 9.41% 1.76% -5.60% -3.15% 18.26% -8.05% 26.10% 6.74% 21.46% 8.33%  
      gross margin %
    62.52% 61.39% 58.35% 54.55% 53.16% 53.40% 54.47% 55.07% 54.85% 55.00% 51.70% 52.28% 51.25% 52.45% 48.55% 44.92% 47.34% 50.94% 52.45% 52.58% 55.81% 59.16% 58.53% 60.23% 56.67% 56.69% 55.23% 54.99% 
      operating expenses:
                                
      research and development
    41,972,000 41,591,000 41,421,000 42,221,000 37,429,000 32,742,000 31,884,000 35,106,000 38,248,000 38,270,000 39,068,000 37,421,000 37,431,000 37,197,000 38,957,000 38,717,000 40,437,000 34,997,000 32,528,000 30,346,000 28,988,000 25,590,000 18,271,000 16,655,000 14,298,000 12,951,000 12,121,000 11,244,000 
      sales and marketing
    55,114,000 51,023,000 49,998,000 51,100,000 49,313,000 50,050,000 45,994,000 52,959,000 49,607,000 48,662,000 51,043,000 47,797,000 44,271,000 44,623,000 47,006,000 46,760,000 41,480,000 42,151,000 39,288,000 36,334,000 34,872,000 34,765,000 22,568,000 24,680,000 19,168,000 21,592,000 17,560,000 16,906,000 
      general and administrative
    34,990,000 28,436,000 29,698,000 24,323,000 28,235,000 26,154,000 27,173,000 28,433,000 31,639,000 31,426,000 30,001,000 28,823,000 25,827,000 29,225,000 32,481,000 29,543,000 29,554,000 29,281,000 28,609,000 35,494,000 33,461,000 45,885,000 23,961,000 18,069,000 14,169,000 12,896,000 10,583,000 8,920,000 
      total operating expenses
    132,076,000 121,050,000 121,117,000 118,059,000 114,977,000 109,394,000 115,330,000 119,635,000 119,494,000 118,358,000 124,428,000 114,041,000 107,529,000 111,045,000 118,444,000 115,020,000 111,471,000 106,429,000 100,425,000 102,174,000 97,321,000 106,240,000 64,800,000 59,404,000 47,635,000 47,439,000 40,264,000 37,070,000 
      income from operations
    -23,895,000 -15,090,000 -28,788,000 -36,943,000 -38,179,000 -34,331,000 -40,590,000 -46,734,000 -46,260,000 -42,584,000 -58,342,000 -49,827,000 -47,275,000 -48,462,000 -65,765,000 -68,968,000 -63,004,000 -56,656,000 -54,934,000 -57,468,000 -49,963,000 -57,344,000 -23,454,000 -14,438,000 -11,976,000 -14,031,000 -12,759,000 -11,681,000 
      yoy
    -37.41% -56.05% -29.08% -20.95% -17.47% -19.38% -30.43% -6.21% -2.15% -12.13% -11.29% -27.75% -24.97% -14.46% 19.72% 20.01% 26.10% -1.20% 134.22% 298.03% 317.19% 308.70% 83.82% 23.60%     
      qoq
    58.35% -47.58% -22.07% -3.24% 11.21% -15.42% -13.15% 1.02% 8.63% -27.01% 17.09% 5.40% -2.45% -26.31% -4.64% 9.47% 11.20% 3.13% -4.41% 15.02% -12.87% 144.50% 62.45% 20.56% -14.65% 9.97% 9.23%  
      operating margin %
    -13.81% -8.74% -18.19% -24.84% -26.43% -24.42% -29.58% -35.31% -34.65% -30.91% -45.65% -40.57% -40.21% -40.61% -60.61% -67.27% -61.54% -57.98% -63.34% -67.59% -58.88% -69.38% -33.20% -19.34% -19.03% -23.81% -25.62% -25.30% 
      interest income
    2,927,000 3,151,000 3,080,000 3,084,000 2,975,000 3,267,000 3,819,000 3,937,000 3,848,000 4,584,000 4,908,000 4,508,000 4,186,000 2,894,000 1,967,000 1,502,000 681,000 552,000 280,000 276,000 174,000 178,000 353,000 378,000 719,000 856,000 1,154,000 861,000 
      interest expense
    -3,306,000 -3,201,000 -3,161,000 -3,164,000 -3,173,000 -1,231,000 -473,000 -464,000 -579,000 -744,000 -862,000 -1,232,000 -1,213,000 -1,354,000 -1,381,000 -1,530,000 -1,622,000 -1,593,000 -1,555,000 -1,436,000 -661,000 -452,000 -410,000 -371,000 -316,000 -391,000 -621,000 -2,989,000 
      other expense
    -380,000 -625,000 -55,000  -80,000 -815,000 -317,000  -89,000   -803,000 -250,000    -279,000           -1,696,000 
      income before income taxes
    -24,654,000             -35,951,000 -63,302,000 -16,278,000 -64,224,000 -41,283,000 -56,168,000 -58,450,000 -50,514,000 -12,274,250 -23,442,000 -14,484,000 -11,171,000 -13,764,000 -12,117,000 -15,505,000 
      Tax Provision
    -4,130,000 681,000 559,000 557,000 691,000 1,141,000 455,000 661,000 347,000 -465,000 -1,000 110,000 135,000 -223,000 118,000 159,000 40,000 25,000 30,000 -155,000         
      net income
    -20,524,000 -15,505,000 -29,483,000 -37,541,000 -39,148,000 -32,886,000 -38,016,000 -43,729,000 -43,427,000 -23,386,000 -54,311,000 -10,704,000 -44,687,000 -46,653,000 -63,420,000 -16,437,000 -64,264,000 -57,521,000 -56,198,000 -58,295,000 -50,683,000 -45,704,000 -23,778,000 -14,460,000 -11,990,000 -14,073,000 -12,163,000 -15,587,000 
      yoy
    -47.57% -52.85% -22.45% -14.15% -9.85% 40.62% -30.00% 308.53% -2.82% -49.87% -14.36% -34.88% -30.46% -18.89% 12.85% -71.80% 26.80% 25.86% 136.34% 303.15% 322.71% 224.76% 95.49% -7.23%     
      qoq
    32.37% -47.41% -21.46% -4.10% 19.04% -13.49% -13.06% 0.70% 85.70% -56.94% 407.39% -76.05% -4.21% -26.44% 285.84% -74.42% 11.72% 2.35% -3.60% 15.02% 10.89% 92.21% 64.44% 20.60% -14.80% 15.70% -21.97%  
      net income margin %
    -11.86% -8.98% -18.63% -25.24% -27.10% -23.39% -27.71% -33.04% -32.52% -16.97% -42.49% -8.71% -38.01% -39.10% -58.45% -16.03% -62.77% -58.86% -64.79% -68.56% -59.73% -55.30% -33.66% -19.37% -19.05% -23.88% -24.43% -33.76% 
      net income per share
    -0.13 -0.1 -0.2 -0.26 -0.27 -0.23 -0.27 -0.32 -0.32 -0.17 -0.42 -0.08 -0.36 -0.38 -0.52 -0.14 -0.54 -0.49 -0.48 -0.51 -0.44 -0.43 -0.22 -0.14 -0.13 -0.12 -0.13 -0.26 
      weighted-average shares used for eps calculation
    153,579 146,902 148,129 145,780 143,284 138,099 139,237 137,444 134,587 128,770 129,873 127,863 125,418 121,723 122,339 121,242 119,673 116,053 116,475 115,326 114,134 103,552 105,942 99,835 95,401 68,350 93,240 59,781 
      impairment expense
       415,000  448,000 559,000 3,137,000   4,316,000                  
      restructuring charges
          9,720,000                      
      loss before income tax expense
     -14,824,000 -28,924,000 -36,984,000 -38,457,000 -31,745,000 -37,561,000 -43,068,000 -43,080,000 -23,851,000 -54,312,000 -10,594,000 -44,552,000                
      other income
       39,000    193,000  -763,000 -16,000   46,000 1,877,000 -1,673,000  201,000 41,000 178,000 -64,000 -697,000 69,000 -53,000 402,000 -198,000 109,000  
      net gain on extinguishment of debt
             15,656,000  36,760,000    54,391,000             
      income taxes
                        169,000 282,750 336,000 -24,000 819,000 309,000 46,000 82,000 
      other comprehensive income:
                                
      foreign currency translation adjustment
                               -21,000 
      loss on investments in available-for-sale-securities
                               14,000 
      total other comprehensive income
                               -7,000 
      comprehensive loss
                               -15,594,000 
      net loss attributable to common stockholders
                               -15,587,000 
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 
                                  
        assets
                                  
        current assets:
                                  
        cash and cash equivalents
      146,670,000 180,563,000 113,131,000 82,487,000 125,484,000 286,175,000 217,514,000 147,196,000 150,809,000 107,921,000 270,300,000 273,742,000 348,463,000 143,391,000 87,897,000 62,510,000 245,794,000 166,068,000 282,131,000 687,986,000 948,783,000 62,900,000 309,968,000 257,418,000 22,501,000  54,706,000 213,463,000 
        marketable securities
      183,819,000                    147,793,000 131,283,000 92,302,000 126,607,000 94,084,000  153,098,000 32,156,000 
        accounts receivable
      130,037,000 118,029,000 109,184,000 117,318,000 119,035,000 115,988,000 116,800,000 113,878,000 107,517,000 120,498,000 98,622,000 78,295,000 85,344,000 89,578,000 72,914,000 68,218,000 73,717,000 64,625,000 54,234,000 56,065,000 52,363,000 50,258,000 42,593,000 58,331,000 43,017,000  33,905,000 28,542,000 
        prepaid expenses and other current assets
      29,560,000 26,921,000 27,689,000 26,137,000 26,243,000 28,325,000 28,011,000 25,312,000 23,207,000 20,455,000 24,481,000 29,500,000 29,717,000 28,933,000 31,321,000 29,037,000 23,616,000 32,160,000 22,230,000 22,222,000 18,408,000 16,728,000 14,769,000 12,974,000 12,139,000  14,223,000 12,192,000 
        total current assets
      490,086,000 506,709,000 479,784,000 464,663,000 452,570,000 440,195,000 453,058,000 450,955,000 460,210,000 463,673,000 551,458,000 505,142,000 661,640,000 636,483,000 637,180,000 579,670,000 737,077,000 624,648,000 719,885,000 1,008,104,000 1,167,434,000 261,256,000 529,719,000 525,417,000 241,828,000  255,932,000 286,353,000 
        property and equipment
      215,911,000 186,785,000 182,896,000 181,770,000 177,876,000 179,097,000 180,288,000 177,058,000 177,574,000 176,608,000 171,914,000 179,045,000 179,922,000 180,378,000 179,080,000 173,950,000 174,550,000 166,961,000 147,729,000 116,471,000 98,608,000 95,979,000 83,498,000 65,836,000 69,069,000  56,640,000 55,610,000 
        operating lease right-of-use assets
      57,697,000 52,067,000 53,050,000 54,001,000 48,802,000 50,433,000 47,700,000 52,451,000 54,420,000 55,212,000 52,927,000 56,733,000 60,615,000 68,440,000 72,374,000 69,861,000 63,455,000 69,631,000    60,019,000       
        goodwill
      670,356,000 670,356,000 670,356,000 670,356,000 670,356,000 670,356,000 670,356,000 670,356,000 670,356,000 670,356,000 670,356,000 670,356,000 670,192,000 670,185,000 670,158,000 670,186,000 637,570,000 636,805,000 635,635,000 635,646,000 635,645,000 635,590,000 362,000 347,000 348,000  348,000 359,000 
        intangible assets
      23,494,000 25,771,000 28,055,000 32,814,000 37,976,000 42,876,000 47,776,000 52,676,000 57,576,000 62,475,000 67,375,000 72,550,000 77,725,000 82,900,000 88,482,000 93,978,000 97,287,000 102,596,000 107,905,000 113,215,000 116,379,000 121,742,000 2,792,000 2,864,000 1,089,000  1,161,000 1,198,000 
        other assets
      55,984,000 57,789,000 56,461,000 59,573,000 61,665,000 68,402,000 72,576,000 79,176,000 84,044,000 90,779,000 94,353,000 95,550,000 94,798,000 92,622,000 73,258,000 60,199,000 30,020,000 29,468,000 28,142,000 27,578,000 56,923,000 45,365,000 15,147,000 13,400,000 11,512,000  13,239,000 12,856,000 
        total assets
      1,513,528,000 1,499,477,000 1,470,602,000 1,463,177,000 1,449,245,000 1,451,359,000 1,471,754,000 1,482,672,000 1,505,923,000 1,525,191,000 1,640,663,000 1,657,418,000 1,862,410,000 1,896,113,000 1,906,598,000 1,932,795,000 2,134,423,000 2,159,020,000 2,138,934,000 2,136,871,000 2,138,294,000 1,219,951,000 631,518,000 607,864,000 323,846,000 320,969,000 327,320,000 356,376,000 
        liabilities and stockholders’ equity
                                  
        current liabilities:
                                  
        accounts payable
      39,006,000 17,612,000 10,829,000 13,344,000 9,802,000 6,044,000 11,354,000 5,532,000 5,485,000 5,611,000 5,723,000 5,561,000 4,668,000 4,786,000 8,265,000 10,011,000 8,248,000 9,257,000 7,766,000 10,202,000 12,019,000 9,150,000 12,273,000 6,087,000 9,457,000  6,796,000 5,753,000 
        accrued expenses
      45,523,000 70,669,000 60,421,000 45,282,000 37,165,000 41,622,000 40,854,000 34,445,000 35,555,000 61,818,000 56,595,000 47,001,000 42,311,000 61,161,000 54,186,000 49,943,000 49,902,000 36,112,000 36,063,000 28,609,000 36,320,000 34,334,000 38,559,000 22,631,000 20,218,000  23,465,000 25,101,000 
        long-term debt, current
       38,557,000                           
        operating lease liabilities, current
      28,107,000 24,427,000 23,676,000 23,673,000 26,988,000 25,155,000 23,857,000 25,399,000 22,580,000 24,042,000 21,533,000 20,575,000 20,516,000 23,026,000 20,919,000 19,243,000 18,688,000 20,271,000 20,007,000 19,713,000 20,011,000 19,895,000       
        deferred revenue
      39,560,000 35,234,000                           
        other current liabilities
      11,244,000 7,499,000 45,757,000 42,373,000 38,442,000 29,307,000 33,261,000 35,748,000 44,633,000 40,539,000 40,234,000 36,234,000 32,942,000 34,394,000 33,422,000 33,705,000 36,569,000 45,107,000 24,758,000 29,735,000 19,036,000 19,677,000 9,555,000 4,402,000 5,430,000  1,611,000 1,589,000 
        total current liabilities
      163,440,000 193,998,000 328,915,000 312,803,000 300,885,000 104,456,000 114,208,000 109,302,000 120,227,000 147,694,000 143,335,000 131,604,000 125,200,000 152,321,000 144,599,000 140,990,000 140,173,000 131,872,000 107,269,000 103,032,000 98,296,000 94,089,000 66,447,000 38,308,000 40,396,000  45,377,000 65,265,000 
        long-term debt
      323,620,000 323,282,000 149,893,000 149,883,000 149,874,000 337,614,000 344,498,000 344,167,000 343,837,000 343,507,000 472,823,000 472,369,000 705,378,000 704,710,000 704,042,000 703,375,000 934,121,000 933,205,000 932,305,000 931,385,000 930,291,000        
        operating lease liabilities, non-current
      46,019,000 43,921,000 47,106,000 48,577,000 36,615,000 39,561,000 40,565,000 44,634,000 46,857,000 48,484,000 47,775,000 51,448,000  61,341,000               
        other long-term liabilities
      3,303,000 8,698,000 7,723,000 9,267,000 4,848,000 4,478,000 3,029,000 3,382,000 2,756,000 4,416,000 4,298,000 7,217,000 6,144,000 7,076,000 7,201,000 7,556,000 2,205,000 2,583,000 5,056,000 6,502,000 3,520,000 4,400,000 3,944,000 2,533,000 1,357,000  6,983,000 5,911,000 
        total liabilities
      536,382,000 569,899,000 533,637,000 520,530,000 492,222,000 486,109,000 502,300,000 501,485,000 514,117,000 545,703,000 672,091,000 669,664,000 903,855,000 940,955,000 939,619,000 939,057,000 1,157,700,000 1,145,067,000 1,123,355,000 1,107,781,000 1,093,260,000 158,086,000 96,398,000 65,699,000 67,796,000  67,905,000 89,054,000 
        commitments and contingencies
                                  
        stockholders’ equity:
                                  
        class a common stock
      3,000 3,000        3,000    2,000 2,000 2,000 2,000            
        class b common stock
                                  
        additional paid-in capital
      2,112,577,000 2,044,103,000 2,035,956,000 2,012,312,000 1,989,108,000 1,958,157,000 1,929,397,000 1,903,374,000 1,870,503,000 1,815,245,000 1,781,870,000 1,747,959,000 1,710,498,000 1,666,106,000 1,634,666,000 1,597,869,000 1,561,371,000 1,527,468,000 1,469,366,000 1,426,520,000 1,384,045,000 1,350,050,000 777,231,000 760,237,000 459,360,000 449,463,000 439,480,000 435,189,000 
        accumulated other comprehensive loss
      -423,000 -41,000 -12,000 -169,000 -130,000 -100,000 -22,000 -282,000 -521,000 -1,008,000 -1,934,000 -3,152,000 -5,594,000 -9,286,000 -12,678,000 -12,542,000 -9,496,000          -22,000  
        accumulated deficit
      -1,135,011,000 -1,114,487,000 -1,098,982,000 -1,069,499,000 -1,031,958,000 -992,810,000 -959,924,000 -921,908,000 -878,179,000 -834,752,000 -811,366,000 -757,055,000 -746,351,000 -701,664,000 -655,011,000 -591,591,000 -575,154,000 -510,890,000 -453,369,000 -397,171,000 -338,876,000 -288,193,000 -242,237,000 -218,459,000 -203,999,000 -192,009,000 -177,936,000 -165,773,000 
        total stockholders’ equity
      977,146,000 929,578,000 936,965,000 942,647,000 957,023,000 965,250,000 969,454,000 981,187,000 991,806,000 979,488,000 968,572,000 987,754,000 958,555,000 955,158,000 966,979,000 993,738,000 976,723,000 1,013,953,000 1,015,579,000 1,029,090,000 1,045,034,000 1,061,865,000 535,120,000 542,165,000 256,050,000  259,415,000 267,322,000 
        total liabilities and stockholders’ equity
      1,513,528,000 1,499,477,000 1,470,602,000 1,463,177,000 1,449,245,000 1,451,359,000 1,471,754,000 1,482,672,000 1,505,923,000 1,525,191,000 1,640,663,000 1,657,418,000 1,862,410,000 1,896,113,000 1,906,598,000 1,932,795,000 2,134,423,000 2,159,020,000 2,138,934,000 2,136,871,000 2,138,294,000 1,219,951,000 631,518,000 607,864,000 323,846,000    
        marketable securities, current
       181,196,000 229,780,000 238,721,000 181,808,000 9,707,000 90,733,000 164,569,000 178,677,000 214,799,000 158,055,000 123,605,000 198,116,000 374,581,000 445,048,000 419,905,000 393,950,000 361,795,000 361,290,000 241,744,000         
        finance lease liabilities, current
         80,000 617,000 2,328,000 4,882,000 8,178,000 11,974,000 15,684,000 19,250,000 22,233,000 24,763,000 28,954,000 27,807,000 28,088,000 26,766,000 21,125,000 18,675,000 14,773,000 10,910,000        
        current debt
        188,232,000 188,051,000 187,871,000                        
        common stock
        3,000 3,000 3,000 3,000 3,000 3,000 3,000  2,000 2,000 2,000             2,000   
        marketable securities, non-current
              1,743,000 6,088,000 32,280,000 78,042,000 117,518,000 165,105,000 186,066,000 284,951,000 394,464,000 528,911,000           
        finance lease liabilities, non-current
              440,000 1,602,000 3,860,000 7,026,000  15,507,000               
        finance lease liabilities, noncurrent
                  10,858,000  21,027,000 26,479,000 28,867,000 22,293,000 24,659,000 19,685,000 13,648,000 14,707,000       
        operating lease liabilities, noncurrent
                  56,275,000  62,750,000 60,657,000 52,334,000 55,114,000 54,066,000 47,177,000 47,505,000 44,890,000       
        restricted cash
                         87,000 87,000 87,000 70,087,000 70,087,000 70,087,000    
        class a and class b common
                       2,000 2,000 2,000 2,000 2,000 2,000 2,000 2,000  2,000 2,000 
        accumulated other comprehensive income
                       -2,627,000 -420,000 -261,000 -137,000 6,000 124,000 385,000 687,000   13,000 
        marketable securities, noncurrent
                        429,489,000 173,227,000         
        operating right-of-use assets
                        70,149,000 62,630,000 63,305,000        
        finance lease liabilities
                           11,033,000       
        long-term debt, less current portion
                            26,007,000 24,858,000 26,043,000  15,545,000 17,878,000 
        current portion of long-term debt
                            6,060,000 5,188,000 5,291,000  13,505,000 32,822,000 
        cash, cash equivalents, and marketable securities
                               131,109,000   
        working capital
                               212,202,000   
        convertible preferred stock warrant liabilities
                                  
        convertible preferred stock
                                  
        total stockholders' equity
                               257,652,000   
        liabilities, convertible preferred stock and stockholders’ equity
                                  
        stockholders’ equity
                                  
        treasury stock
                                -2,109,000 -2,109,000 
        total liabilities, convertible preferred stock, and stockholders’ equity
                                327,320,000 356,376,000 
                                  
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 
                                   
          cash flows from operating activities:
                                   
          net loss
        -20,524,000 -15,505,000 -29,483,000 -37,541,000 -39,148,000 -32,886,000 -38,016,000 -43,729,000 -43,427,000 -23,386,000 -54,311,000 -10,704,000 -44,687,000 -46,653,000 -63,420,000 -16,437,000 -64,264,000 -57,521,000 -56,198,000 -58,295,000 -50,683,000 -45,704,000 -23,778,000 -14,460,000 -11,990,000 -14,073,000 -12,163,000 
          adjustments to reconcile net loss to net cash from operating activities:
                                   
          depreciation expense
        11,892,000 15,263,000 15,639,000 14,962,000 15,167,000 13,786,000 13,656,000 13,318,000 13,277,000 13,587,000 13,055,000 12,920,000 12,040,000 11,371,000 10,662,000 10,736,000 9,850,000  7,364,000 6,927,000 6,419,000       
          amortization of intangible assets
        2,277,000 2,284,000 4,759,000 4,878,000 4,900,000 4,900,000 4,900,000 4,900,000 4,899,000 4,899,000 5,175,000 5,175,000 5,175,000 5,582,000 5,496,000 5,309,000 5,309,000  5,309,000 5,257,000 5,363,000       
          non-cash lease expense
        6,198,000 5,620,000 5,476,000 5,694,000 5,655,000 5,655,000 5,463,000 5,800,000 5,556,000 5,451,000 5,464,000 5,648,000 6,115,000               
          amortization of debt discount and issuance costs
        401,000 256,000 216,000 217,000 217,000 316,000 358,000 349,000 354,000 456,000 501,000 803,000 716,000 715,000 715,000 775,000 964,000  966,000 937,000 332,000       
          amortization of deferred contract costs
        4,758,000 4,803,000 4,869,000 4,847,000 4,850,000 4,746,000 4,773,000 4,531,000 4,573,000 4,295,000 4,082,000 3,746,000 3,425,000 2,896,000 2,031,000 2,138,000 1,851,000 1,727,000 1,621,000 1,535,000 1,411,000 1,141,000      
          stock-based compensation
        34,981,000 32,277,000 33,129,000 26,335,000 25,582,000 24,945,000 25,016,000 26,148,000 31,821,000 35,447,000 35,713,000 36,992,000 28,151,000 31,418,000 39,378,000 34,978,000 40,022,000 39,588,000 36,636,000 33,426,000 30,838,000 29,681,000 12,142,000 16,281,000 6,329,000 4,595,000 3,840,000 
          deferred income taxes
        -4,330,000 395,000 289,000 327,000 422,000 893,000 339,000 333,000 228,000                   
          provision for credit losses
        1,518,000 951,000 1,236,000 1,048,000 946,000 1,434,000 1,054,000 393,000 953,000 714,000 211,000 567,000 533,000 624,000 1,253,000 402,000 127,000  236,000 225,000 -420,000       
          loss on disposals of property and equipment
        276,000 229,000   96,000 45,000 399,000 -42,000 296,000 251,000 586,000 268,000 -123,000 -204,000 27,000 786,000    65,000 4,000 
          accretion of discounts on investments
        -798,000 -1,416,000                          
          other adjustments
        -218,000 446,000 -189,000 -84,000 376,000 -897,000 520,000 -178,000 -259,000 905,000 71,000 -85,000 -243,000 3,980,000 -353,000 -67,000 128,000 729,000 683,000 749,000 64,000 417,000 227,000 19,000 -39,000 -89,000  
          changes in operating assets and liabilities:
                                   
          accounts receivable
        -13,526,000 -9,796,000 6,898,000 669,000 -3,993,000 -622,000 -3,976,000 -6,754,000 12,028,000 -22,590,000 -20,538,000 6,482,000 3,701,000 -17,288,000 -5,949,000 5,097,000 -9,219,000 -10,546,000 1,595,000 -3,927,000 -1,685,000 -2,595,000 15,542,000 -16,180,000 -6,031,000 -3,247,000 -5,638,000 
          prepaid expenses and other current assets
        -2,639,000 768,000 -1,526,000 121,000 2,216,000 -207,000 -2,589,000 -2,131,000 -2,700,000 4,107,000 5,019,000 217,000 -634,000 -971,000 -975,000 -2,701,000 -2,111,000 725,000 -8,000 -3,814,000 -1,680,000 -1,772,000 -1,795,000 -835,000 -1,148,000 3,145,000 -2,031,000 
          other assets
        1,350,000 -6,554,000 -4,820,000 -6,076,000 -2,095,000 -4,140,000 -2,705,000 -3,210,000 -1,814,000 -6,868,000 -4,286,000 -4,771,000 -7,212,000 -15,492,000 -13,505,000 -3,948,000 -2,451,000 -3,103,000 -2,231,000 -2,137,000 -2,952,000 -9,752,000 -4,122,000 -1,888,000 -1,400,000 3,127,000 -383,000 
          accounts payable
        6,812,000 1,209,000 -2,741,000 3,446,000 2,575,000 -3,903,000 4,754,000 -341,000 101,000 -876,000 314,000 1,119,000 -175,000 -1,267,000 -4,301,000 3,336,000 -2,492,000 1,799,000 -1,815,000 -1,957,000 2,119,000 -2,987,000 5,682,000 -1,748,000 3,112,000 -2,188,000 1,309,000 
          accrued expenses
        3,523,000 20,000 1,339,000 1,577,000 -3,383,000 1,220,000 2,707,000 1,911,000 -8,760,000 -1,603,000 340,000 234,000 -6,827,000 3,799,000 3,328,000 -3,729,000 4,891,000 1,548,000 6,548,000 -3,080,000 -755,000 -4,232,000 14,598,000 4,121,000 -1,495,000 7,104,000 -2,990,000 
          operating lease liabilities
        -5,809,000 -7,045,000 -5,774,000 -2,332,000 -5,556,000 -7,200,000 -7,329,000 -4,406,000 -7,606,000 -5,137,000 -4,505,000 -6,682,000 -5,750,000 -6,377,000 -7,830,000 -6,280,000 -6,557,000 -6,712,000 -6,879,000 -6,491,000 -6,365,000       
          other liabilities
        2,724,000 -830,000 912,000 8,694,000 9,183,000 -1,492,000 -3,789,000 -3,820,000 2,667,000 612,000 1,033,000 9,308,000 -3,889,000 5,640,000 -2,833,000 732,000 3,289,000 2,908,000 -2,948,000 7,733,000 1,071,000 5,178,000 15,000 -843,000 507,000 -413,000 49,000 
          net cash from operating activities
        28,866,000 22,434,000 28,924,000 25,798,000 17,288,000 5,220,000 5,002,000 -4,948,000 11,132,000 -7,377,000 -8,390,000 24,990,000 -8,861,000 -12,128,000 -27,634,000 -16,680,000 -13,190,000 -7,908,000 -2,691,000 -17,014,000 -10,869,000 -31,149,000 27,200,000 -8,781,000 -7,186,000 -3,060,000 -12,595,000 
          capital expenditures
        -24,757,000 -13,836,000 -10,753,000 -14,394,000 -7,368,000 -10,571,000 -8,814,000 -8,591,000 -8,448,000 -8,595,000 -5,276,000 -10,694,000 -7,703,000 -23,742,000 -9,715,000 -11,354,000 -6,197,000 -6,729,000 -27,873,000 -4,625,000 -9,068,000 -7,175,000 -13,794,000 -3,073,000 -11,658,000 -5,847,000 -1,171,000 
          free cash flows
        4,109,000 8,598,000 18,171,000 11,404,000 9,920,000 -5,351,000 -3,812,000 -13,539,000 2,684,000 -15,972,000 -13,666,000 14,296,000 -16,564,000 -35,870,000 -37,349,000 -28,034,000 -19,387,000 -14,637,000 -30,564,000 -21,639,000 -19,937,000 -38,324,000 13,406,000 -11,854,000 -18,844,000 -8,907,000 -13,766,000 
          cash flows from investing activities:
                                   
          purchases of marketable securities
        -179,340,000 -37,775,000 -79,136,000 -93,440,000 -179,486,000 -37,902,000 -60,249,000 -56,948,000 -59,142,000    -207,286,000 -148,193,000 -150,586,000 -443,701,000 -269,537,000 -64,331,000 -64,698,000 -148,174,000   -13,455,000 -144,863,000 
          maturities of marketable securities
        177,143,000 79,954,000 71,417,000 37,836,000 7,969,000 81,480,000 113,032,000 77,597,000 99,080,000 5,642,000 86,030,000 114,884,000 227,211,000 94,303,000 72,857,000 127,333,000 240,547,000 45,232,000 15,600,000 31,750,000 25,503,000 5,001,000 38,817,000 23,501,000 21,400,000 2,769,000  
          purchases of property and equipment
        -21,021,000 -10,191,000 -6,046,000 -9,852,000 -2,605,000 -4,969,000 -1,996,000 -1,762,000 -1,603,000 -2,693,000 -325,000 -4,464,000 -3,494,000 -8,529,000 -2,631,000 -6,428,000 -2,387,000 -3,549,000 -20,254,000 -2,934,000 -8,079,000 -5,126,000 -11,893,000 -2,329,000 -10,221,000 -4,209,000 -1,171,000 
          capitalized internal-use software
        -3,736,000 -3,645,000 -4,707,000 -4,542,000 -4,763,000 -5,602,000 -6,818,000 -6,829,000 -6,845,000 -5,902,000 -4,951,000 -6,230,000 -4,209,000 -4,290,000 -5,120,000 -4,926,000 -3,810,000 -3,180,000 -7,619,000 -1,691,000 -989,000 -2,049,000 -1,901,000 -744,000 -1,437,000 -1,638,000  
          net cash from investing activities
        -26,954,000 36,151,000 -344,000 -69,954,000 -178,885,000 70,909,000 66,316,000 7,991,000 33,684,000 -37,245,000 7,677,000 104,978,000 219,530,000 72,595,000 61,521,000 13,952,000 87,683,000 -110,664,000 -403,943,000 -244,505,000 -35,399,000 -267,435,000 20,240,000 -37,570,000 9,742,000 32,479,000 -125,264,000 
          cash flows from financing activities:
                                   
          repayment of convertible senior notes
        -38,593,000                           
          payments of other debt issuance costs
        -502,000                  -1,351,000       
          repayments of finance lease liabilities
         -80,000 -537,000 -1,711,000 -2,554,000 -3,296,000 -4,236,000 -4,872,000 -5,932,000 -6,041,000 -6,557,000 -8,645,000 -4,427,000 -7,076,000 -3,870,000 -7,159,000 -3,004,000 -3,985,000 -3,628,000 -2,951,000       
          proceeds from exercise of vested stock options
        1,043,000 286,000 71,000 279,000 408,000 805,000 19,000 180,000 111,000 161,000 1,137,000 535,000 336,000 364,000 555,000 1,721,000 3,048,000 3,532,000 3,489,000 2,886,000 2,719,000 2,320,000 4,122,000 5,657,000 3,174,000 2,751,000 298,000 
          proceeds from employee stock purchase plan
        2,279,000 1,529,000 2,106,000 1,240,000 2,131,000 161,000 2,168,000 1,034,000 2,881,000 1,550,000 2,222,000 2,191,000 2,596,000 -949,000 1,749,000 1,571,000 2,406,000 2,075,000 1,430,000 1,493,000 3,071,000 3,112,000 2,042,000 2,031,000 2,133,000 2,271,000 2,321,000 
          net cash from financing activities
        -35,773,000 8,854,000 2,097,000 982,000 828,000 -7,317,000 -1,109,000 -6,793,000 -1,880,000 -117,827,000 -2,682,000 -205,158,000 -5,713,000 -5,012,000 -8,390,000 -181,199,000 5,452,000 2,603,000 934,000 751,000 932,263,000 -17,581,000 5,193,000 281,361,000 3,766,000 1,930,000 -20,909,000 
          effects of exchange rate changes on cash and cash equivalents
        -32,000  -33,000                         
          net decrease in cash and cash equivalents
        -33,893,000                           
          cash and cash equivalents at beginning of period
        180,563,000                          
          cash and cash equivalents at end of period
        146,670,000  30,644,000                         
          impairment of operating lease right-of-use assets
                156,000 401,000                 
          impairment expense
           448,000 559,000                    
          net gain on extinguishment of debt
                 -15,656,000               
          sales of marketable securities
         7,808,000        24,850,000 1,000   65,000 159,552,000 2,301,000 2,291,000 51,739,000 12,497,000    49,011,000 -44,056,000 
          advance payment for purchase of property and equipment
                   -10,923,000 -1,964,000             
          proceeds from sale of property and equipment
             13,000 14,000 22,000 126,000 125,000   297,000    425,000      
          proceeds from issuance of convertible notes
                                   
          payments of issuance costs for convertible notes
                                   
          cash paid for debt extinguishment
                 -113,606,000                 
          payments for purchase of capped calls
                                   
          payment of deferred consideration for business acquisitions
                               
          effects of exchange rate changes on cash, cash equivalents, and restricted cash
            78,000 -151,000 109,000 -13,000 -48,000 70,000 -47,000 469,000 116,000 39,000 -110,000 -100,000 -219,000 -94,000 -242,000 -29,000 -112,000 -10,000 -83,000 -93,000 37,000 87,000 11,000 
          net increase in cash, cash equivalents, and restricted cash
            -160,691,000 68,661,000 70,318,000 -3,763,000 42,888,000 -162,379,000 -3,442,000 -74,721,000 205,072,000 55,494,000 25,387,000 -184,027,000 79,726,000 -116,063,000 -405,942,000 -260,797,000 885,883,000 -316,175,000 52,550,000 234,917,000 6,359,000 31,436,000 -158,757,000 
          cash, cash equivalents, and restricted cash at beginning of period
            286,175,000 108,071,000 143,541,000 166,961,000 63,880,000 86,229,000 
          cash, cash equivalents, and restricted cash at end of period
            125,484,000 68,661,000 70,318,000 -3,763,000 150,959,000 -162,379,000 -3,442,000 -74,721,000 348,613,000 55,494,000 25,387,000 -184,027,000 246,687,000 -116,063,000 -405,942,000 -260,797,000 949,763,000 -316,175,000 52,550,000 234,917,000 92,588,000 31,436,000 -158,757,000 
          net increase in cash and cash equivalents
          30,644,000                         
          amortization of discounts on investments
           -1,356,000 -626,000                       
          amortization of premiums on investments
             -507,000 -1,064,000 -1,244,000 -1,158,000                   
          business acquisitions, net of cash acquired
                        -775,000           
          payments of debt issuance costs
                                   
          cash received for restricted stock sold in advance of vesting conditions
                     10,655,000           
          cash paid for early sale of restricted shares
                     -3,618,000 -3,539,000 -3,498,000           
          amortization and accretion of discounts and premiums on investments
                 -990,000 -403,000 298,000 449,000 515,000 771,000 894,000 957,000           
          purchases of intangible assets
                         1,000     1,000 
          issuance of convertible note, net of issuance costs
                         930,775,000       
          interest paid for finance lease
                                   
          tax benefit related to release of valuation allowance
                                   
          proceeds from follow-on public offering, net of underwriting fees
                                 
          payments of costs related to follow-on public offering
                             -502,000     
          repayments of notes payable
                                 -21,679,000 -22,500,000 
          amortization of right-of-use assets and other
                      8,501,000 6,539,000 6,839,000 7,065,000 7,158,000 6,303,000 6,357,000       
          interest on finance lease
                      -603,000 -649,000 -591,000           
          business acquisitions, net of cash acquired and other related payments
                      -1,746,000             
          purchase of intangible assets
                                   
          net cash paid for debt extinguishment
                                  
          depreciation and amortization
                             5,568,000 4,967,000 4,729,000 4,715,000 4,860,000 4,069,000 
          amortization of acquired intangibles
                                   
          amortization of deferred rent
                              1,450,000 1,287,000 204,000 -5,892,000 1,196,000 
          amortization of debt issuance costs
                             161,000 20,000 19,000 19,000 25,000 68,000 
          provision for credit losses and doubtful accounts
                                   
          change in fair value of preferred stock warrant liabilities
                                 
          interest paid on capital leases
                             -234,000 -186,000 -149,000 -119,000 -95,000 -98,000 
          acquisition of business, net of cash acquired
                                   
          proceeds from initial public offering, net of underwriting fees
                                   
          payments of costs related to initial public offering
                                 -1,017,000 -799,000 
          proceeds from borrowings under notes payable
                                   
          proceeds from early exercise of stock options
                                 
          proceeds from payment of stockholder note
                                 
          interest paid on finance leases
                          -524,000 -405,000 -330,000       
          proceeds from series f financing
                                   
          series f issuance costs
                                   
          repurchase of early exercised shares
                                   
          provision for doubtful accounts
                              196,000 866,000 150,000 16,000 275,000 
          repayments of capital leases
                              -469,000 -1,050,000 -1,541,000 -465,000 -229,000 
          proceeds from initial public offering, net of underwriting discounts
                                  
          proceeds from series e financing
                                   
          series e issuance costs
                                   
          other non-operating activities