7Baggers

Warby Parker Inc.
(NYSE:WRBY) 

WRBY stock logo

Warby Parker Inc. designs, manufactures, and retails eyewear products for men and women. It offers eyeglasses, sunglasses, light-responsive lenses, blue-light-filtering lenses, and contact lenses, as well as eye exams and vision tests. As of June 30, 2021, it operated 145 retail stores, which includ...

Founded: 2010
IPO Price: $40 (Sep 29, 2021)
CEO / Co-Founder: Neil Blumenthal 
Sector: Healthcare
Industry: Medical Instruments & Supplies

Share this website to your friends
• Market Cap:
• Exchange:
• Shs Outstanding:
• Employees:
• Beta:
• Return on Equity (ROE) ttm:
• Return on Assets (ROA) ttm:
• EPS ttm:
• Book value per Share:
• Cash per Share:
• Current ast per Share:
• P/E ttm:
• P/E forward:
• P/E ttm high:
• P/E ttm low:
• P/S ttm:
• P/B ttm:
• P/FCF ttm:
• PEG ratio:
• Cash Ratio ttm:
• Quick Ratio ttm:
• Current Ratio ttm:
• Gross Mgn ttm:
• EBITDA Mgn ttm:
• Operating Mgn ttm:
• Net Income Mgn ttm:
• Trailing Div yield:
• Forward Div yield:
• Payout Ratio ttm:
• Ex-Dividend date:
• Target Price High:
• Target Price Low:
• Target Price Mean:
• Number of Analysts:
• Debt Ratio ttm:
• Debt to Equity ttm:
• Total Net Debt:
At a glance:
  • Revenue Growth Driven by Store Expansion and Brand Demand: Warby Parker continues to emphasize top-line growth supported by new store openings, improving store productivity, and steady demand for its eyewear offerings across channels.
  • Profitability Focus: Gross Margin and Operating Leverage Remain Key: Management’s near-term narrative centers on expanding gross margin and gaining operating leverage through scale, marketing efficiency, and tighter cost controls to improve overall profitability.
  • Omnichannel Model Remains a Core Differentiator: The company highlights an integrated online-and-stores strategy, using retail locations to drive customer acquisition, service (eye exams), and repeat purchases while supporting e-commerce conversion.
  • Store Footprint Expansion Continues with Disciplined Capital Allocation: Warby Parker prioritizes measured retail growth, balancing new store investments with payback periods, lease economics, and regional density to support long-term unit economics.
  • Competitive and Macroeconomic Sensitivity Persist: Results remain sensitive to consumer discretionary spending, promotional intensity in eyewear retail, and input/labor costs, making execution and demand resilience important ongoing watch items.
Bull Thesis:
  • Successful Omnichannel Expansion: Warby Parker's strategy of blending its strong online presence with a growing physical retail footprint is proving effective. Stores enhance brand visibility, facilitate eye exams, and drive higher customer lifetime value, creating a synergistic model that captures a broader customer base and differentiates it from pure-play online competitors.
  • Strong Brand Equity and Customer Loyalty: The company has cultivated a distinctive brand known for style, affordability, and a social mission. This strong brand equity fosters high customer satisfaction, repeat purchases, and positive word-of-mouth, leading to a loyal customer base and potentially reduced long-term customer acquisition costs as brand recognition grows.
  • Significant Market Share Growth Potential: Operating in a large and fragmented eyewear market, Warby Parker still holds a relatively small share. Its disruptive direct-to-consumer model, combined with expanding product offerings (e.g., contact lenses, eye exams) and increasing physical presence, positions it well to continue taking market share from traditional incumbents, driving substantial long-term revenue growth.
  • Path to Profitability Through Scale and Operational Efficiency: As Warby Parker continues to scale its operations and customer base, it is expected to leverage economies of scale in manufacturing, distribution, and marketing. This, combined with ongoing efforts to optimize its supply chain and store operations, should lead to improved gross margins and eventual sustained profitability as fixed costs are absorbed over a larger revenue base.
Bear Thesis:
  • Persistent Profitability Challenges and Negative Free Cash Flow: Despite revenue growth, Warby Parker has struggled to achieve consistent profitability and positive free cash flow. High customer acquisition costs, significant investments in store expansion, and ongoing operational expenses continue to weigh on its bottom line, raising concerns about its long-term financial sustainability without further capital or a clear path to consistent positive cash generation.
  • Intense Competition and High Customer Acquisition Costs: The eyewear market is highly competitive, with numerous online and brick-and-mortar players, including established optical chains, discount retailers, and other direct-to-consumer brands. Warby Parker faces constant pressure to differentiate and acquire new customers, often at a high cost, which can compress margins and make it challenging to sustain growth without increasing marketing spend.
  • Decelerating Growth Amidst Macroeconomic Headwinds: While still growing, Warby Parker's revenue growth rate has shown signs of deceleration from its earlier hyper-growth phase. Furthermore, discretionary spending on eyewear can be sensitive to macroeconomic downturns, potentially impacting sales and customer demand in a challenging economic environment where consumers may delay non-essential purchases.
  • Operational Complexity and Execution Risk: Managing a vertically integrated, omnichannel business model that encompasses design, manufacturing, online sales, and a rapidly expanding physical retail presence is inherently complex. This complexity introduces execution risks related to inventory management, supply chain disruptions, store performance, and maintaining a consistent, high-quality customer experience across all channels.
Main Competitors:
  • Zenni Optical (Prescription glasses and sunglasses), A direct-to-consumer online retailer that competes primarily on aggressive pricing and a vast selection of affordable prescription eyewear, often undercutting Warby Parker's price point while offering a similar online convenience model.
  • EssilorLuxottica (e.g., LensCrafters, Ray-Ban) ($EL) (Prescription glasses, sunglasses, eye exams, contact lenses), The global leader in eyewear, owning major brands (Ray-Ban, Oakley) and retail chains (LensCrafters, Pearle Vision). They compete through extensive physical retail presence, strong brand recognition, a full-service optical experience, and a wide range of price points from value to luxury, representing the traditional market Warby Parker disrupted.
  • 1-800 Contacts (Contact lenses), A leading online retailer specializing in contact lenses, a product category Warby Parker has expanded into. They compete on convenience, subscription services, and direct-to-consumer delivery for contact lens wearers.
  • Costco Optical ($COST) (Prescription glasses, sunglasses, eye exams, contact lenses), The optical department within Costco warehouses, competing on value and convenience. They offer competitive pricing on frames, lenses, and eye exams, leveraging Costco's membership model and high foot traffic to attract customers seeking affordable, quality eyewear.
Moat:
Warby Parker operates in a highly competitive eyewear market, facing challenges from diverse players. Its primary moat lies in its strong brand identity, vertically integrated direct-to-consumer model that seamlessly blends online convenience with a growing physical retail footprint, and a focus on stylish, mid-range priced eyewear with excellent customer service. Competitors challenge Warby Parker on various fronts: online budget retailers like Zenni compete aggressively on price, traditional giants like EssilorLuxottica leverage extensive brand portfolios and physical presence, specialized retailers like 1-800 Contacts dominate the contact lens segment, and big-box stores like Costco offer compelling value propositions.
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 
                       
      net revenue
    242,447,000 211,968,000 221,680,000 214,475,000 223,782,000 190,643,000 192,447,000 188,222,000 200,003,000 161,855,000 169,849,000 166,093,000 171,968,000 146,493,000 148,777,000 149,624,000 153,218,000 132,892,000 137,373,000 
      yoy
    8.34% 11.19% 15.19% 13.95% 11.89% 17.79% 13.30% 13.32% 16.30% 10.49% 14.16% 11.01% 12.24% 10.23% 8.30%     
      qoq
    14.38% -4.38% 3.36% -4.16% 17.38% -0.94% 2.24% -5.89% 23.57% -4.71% 2.26% -3.42% 17.39% -1.54% -0.57% -2.35% 15.30% -3.26%  
      cost of goods sold
    111,406,000 100,925,000 101,735,000 100,866,000 97,802,000 87,517,000 87,580,000 82,840,000 86,544,000 74,789,000 77,117,000 75,458,000 77,177,000 65,842,000 64,359,000 63,277,000 63,572,000 56,642,000 57,709,000 
      gross profit
    131,041,000 111,043,000 119,945,000 113,609,000 125,980,000 103,126,000 104,867,000 105,382,000 113,459,000 87,066,000 92,732,000 90,635,000 94,791,000 80,651,000 84,418,000 86,347,000 89,646,000 76,250,000 79,664,000 
      yoy
    4.02% 7.68% 14.38% 7.81% 11.04% 18.45% 13.09% 16.27% 19.69% 7.95% 9.85% 4.97% 5.74% 5.77% 5.97%     
      qoq
    18.01% -7.42% 5.58% -9.82% 22.16% -1.66% -0.49% -7.12% 30.31% -6.11% 2.31% -4.38% 17.53% -4.46% -2.23% -3.68% 17.57% -4.29%  
      gross margin %
    54.05% 52.39% 54.11% 52.97% 56.30% 54.09% 54.49% 55.99% 56.73% 53.79% 54.60% 54.57% 55.12% 55.05% 56.74% 57.71% 58.51% 57.38% 57.99% 
      selling, general, and administrative expenses
    129,374,000 117,895,000 116,375,000 118,134,000 123,509,000 112,542,000 111,480,000 114,338,000 118,586,000 108,635,000 112,499,000 108,865,000 107,221,000 102,361,000 108,090,000 118,428,000 123,386,000 122,146,000 171,643,000 
      income from operations
    1,667,000 -6,852,000 3,570,000 -4,525,000 2,471,000 -9,416,000 -6,613,000 -8,956,000 -5,127,000 -21,569,000 -19,767,000 -18,230,000 -12,430,000 -21,710,000 -23,672,000 -32,081,000 -33,740,000 -45,896,000 -91,979,000 
      yoy
    -32.54% -27.23% -153.98% -49.48% -148.20% -56.34% -66.55% -50.87% -58.75% -0.65% -16.50% -43.18% -63.16% -52.70% -74.26%     
      qoq
    -124.33% -291.93% -178.90% -283.12% -126.24% 42.39% -26.16% 74.68% -76.23% 9.12% 8.43% 46.66% -42.75% -8.29% -26.21% -4.92% -26.49% -50.10%  
      operating margin %
    0.69% -3.23% 1.61% -2.11% 1.10% -4.94% -3.44% -4.76% -2.56% -13.33% -11.64% -10.98% -7.23% -14.82% -15.91% -21.44% -22.02% -34.54% -66.96% 
      interest and other income
    2,331,000 1,761,000 2,179,000 1,984,000 2,455,000 2,632,000 2,842,000 2,567,000 2,556,000 2,417,000 2,655,000 2,281,000    -38,000 146,000   
      income before income taxes
    3,998,000 -5,091,000 5,749,000 -2,541,000 4,926,000 -6,784,000 -3,771,000 -6,389,000 -2,571,000 -19,152,000 -17,112,000 -15,949,000 -10,551,000 -20,328,000 -23,855,000 -32,119,000 -33,594,000 -45,791,000 -92,125,000 
      provision for income taxes
    821,000 862,000 -125,000 -789,000 1,454,000 93,000 301,000 373,000 108,000 -105,000 301,000 -24,000 261,000 -77,000 -12,000 47,000 539,000 112,000 -1,052,000 
      net income
    3,177,000 -5,953,000 5,874,000 -1,752,000 3,472,000 -6,877,000 -4,072,000 -6,762,000 -2,679,000 -19,047,000 -17,413,000 -15,925,000 -10,812,000 -20,251,000 -23,843,000 -32,166,000 -34,133,000 -45,903,000 -91,073,000 
      yoy
    -8.50% -13.44% -244.25% -74.09% -229.60% -63.89% -76.62% -57.54% -75.22% -5.95% -26.97% -50.49% -68.32% -55.88% -73.82%     
      qoq
    -153.37% -201.34% -435.27% -150.46% -150.49% 68.89% -39.78% 152.41% -85.93% 9.38% 9.34% 47.29% -46.61% -15.07% -25.88% -5.76% -25.64% -49.60%  
      net income margin %
    1.31% -2.81% 2.65% -0.82% 1.55% -3.61% -2.12% -3.59% -1.34% -11.77% -10.25% -9.59% -6.29% -13.82% -16.03% -21.50% -22.28% -34.54% -66.30% 
      earnings per share:
                       
      basic
    0.03 -0.05 0.05 -0.01 0.03               
      diluted
    0.03 -0.05 0.05 -0.01 0.03               
      weighted-average shares outstanding:
                       
      basic
    123,438 122,670 122,963 122,565 121,946               
      diluted
    125,554 125,100 125,408 122,565 124,627               
      other comprehensive income
                       
      foreign currency translation adjustment
    -325 178 100 170 -269 -31 -18 -91 107 -271 -35 -683 -224 -284 -163 -35 -129 
      total comprehensive income
    2,852 -5,775 5,974 -1,582 3,481            -34,125   
      net income per share
         -0.06 -0.03 -0.06 -0.02 -0.16 -0.15 -0.14 -0.09 -0.17 -0.21 -0.28 -0.3 -0.25 -1.45 
      weighted-average shares used for eps calculation
          120,885,913 120,086,495 119,143,534 117,389,012 118,003,640 116,792,223 116,159,428 114,942,019 115,249,431 114,679,892 114,103,766 71,249,257 62,887,161 
      other comprehensive loss
                       
      total comprehensive loss
         -7,146 -4,103 -6,780 -2,770 -18,940 -17,684 -15,960 -11,495 -20,475 -24,127 -32,329  -24,606.5 -91,202 
      interest and other loss
                1,879,000 -18,750 -183,000     
      deemed dividend upon redemption of redeemable convertible preferred stock
                       
      net loss attributable to common stockholders
                 -20,251,000 -23,843,000 -32,166,000 -34,133,000 -45,903,000 -91,073,000 
      interest and other (loss)
                     -113,000 -146,000 
    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 
                         
        assets
                         
        current assets:
                         
        cash and cash equivalents
      288,246,000 286,358,000 280,360,000 286,384,000 265,074,000 254,161,000 251,032,000 237,958,000 220,384,000 216,894,000 215,965,000 212,656,000 204,261,000 208,585,000 197,885,000 211,603,000 230,324,000 256,416,000 266,237,000 
        accounts receivable
      1,761,000 3,285,000 1,143,000 1,139,000 1,473,000 1,948,000 1,094,000 1,209,000 1,167,000 1,779,000 721,000 1,177,000 962,000 1,435,000 1,109,000 901,000 830,000 992,000 822,000 
        inventory
      46,454,000 44,512,000 45,592,000 43,268,000 48,606,000 52,345,000 52,766,000 53,345,000 56,450,000 62,234,000 63,617,000 59,833,000 64,411,000 68,848,000 70,571,000 70,791,000 64,253,000 57,095,000 51,442,000 
        prepaid expenses and other current assets
      21,232,000 18,283,000 16,962,000 15,306,000 15,444,000 17,592,000 16,317,000 16,122,000 18,116,000 17,712,000 15,179,000 14,377,000 14,927,000 15,700,000 12,645,000 12,513,000 16,746,000 13,477,000 34,991,000 
        total current assets
      357,693,000 352,438,000 344,057,000 346,097,000 330,597,000 326,046,000 321,209,000 308,634,000 296,117,000 298,619,000 295,482,000 288,043,000 284,561,000 294,568,000 282,210,000 295,808,000 312,153,000 327,980,000 353,492,000 
        property and equipment
      191,324,000 187,448,000 182,576,000 177,156,000 173,795,000 170,464,000 166,500,000 162,736,000 156,722,000 152,332,000 151,109,000 143,606,000 140,476,000 138,628,000 134,328,000 128,472,000 121,253,000 112,195,000 105,332,000 
        right-of-use lease assets
      175,274,000 170,805,000 171,508,000 170,240,000 170,190,000 171,284,000 141,552,000 138,138,000 129,561,000 122,305,000 120,359,000 122,355,000 123,278,000 127,014,000 127,812,000 115,463,000 109,737,000   
        other assets
      12,118,000 10,228,000 8,780,000 8,406,000 8,173,000 8,696,000 8,729,000 8,698,000 10,492,000 7,056,000 7,929,000 7,705,000 9,566,000 8,497,000 5,802,000 3,814,000 1,523,000 471,000 739,000 
        total assets
      736,409,000 720,919,000 706,921,000 701,899,000 682,755,000 676,490,000 637,990,000 618,206,000 592,892,000 580,312,000 574,879,000 561,709,000 557,881,000 568,707,000 550,152,000 543,557,000 544,666,000 440,646,000 459,563,000 
        liabilities and stockholders’ equity
                         
        current liabilities:
                         
        accounts payable
      37,211,000 31,979,000 10,886,000 26,037,000 26,546,000 23,519,000 36,663,000 24,685,000 26,699,000 22,456,000 24,207,000 23,772,000 19,958,000 20,791,000 20,220,000 30,932,000 32,535,000 30,890,000 49,621,000 
        accrued expenses
      60,342,000 49,225,000 67,641,000 60,571,000 51,796,000 51,609,000 46,015,000 47,736,000 43,200,000 46,320,000 54,640,000 42,759,000 47,996,000 58,222,000 52,842,000 49,838,000 56,317,000 60,840,000 63,656,000 
        deferred revenue
      20,909,000 33,869,000 21,997,000 21,522,000 22,513,000 32,358,000 19,216,000 21,052,000 21,240,000 31,617,000 17,623,000 18,953,000 18,886,000 25,628,000 16,255,000 18,306,000 19,424,000 22,073,000 16,779,000 
        current lease liabilities
      31,881,000 31,399,000 28,641,000 24,632,000 18,882,000 20,235,000 26,068,000 25,559,000 24,462,000 24,286,000 23,086,000 22,598,000 21,710,000 22,546,000 20,244,000 18,737,000 18,518,000   
        other current liabilities
      2,939,000 3,658,000 2,900,000 2,771,000 2,876,000 2,633,000 2,155,000 2,002,000 2,939,000 2,411,000 2,254,000 2,351,000 2,489,000 2,370,000 1,923,000 2,047,000 1,948,000 4,301,000 4,299,000 
        total current liabilities
      153,282,000 150,130,000 132,065,000 135,533,000 122,613,000 130,354,000 130,117,000 121,034,000 118,540,000 127,090,000 121,810,000 110,433,000 111,039,000 129,557,000 111,484,000 119,860,000 128,742,000 118,104,000 134,355,000 
        non-current lease liabilities
      205,752,000 201,749,000 203,885,000 203,747,000 204,778,000 205,120,000 170,104,000 166,686,000 156,988,000 150,171,000 147,096,000 147,748,000 148,922,000 150,832,000 152,889,000 139,735,000 132,824,000   
        other liabilities
      1,570,000 1,310,000 1,346,000 1,168,000 1,275,000 943,000 1,019,000 1,096,000 1,177,000 1,264,000 1,362,000 1,466,000 1,574,000 1,672,000 1,820,000 1,931,000 2,217,000  2,674,000 
        total liabilities
      360,604,000 353,189,000 337,296,000 340,448,000 328,666,000 336,417,000 301,240,000 288,816,000 276,705,000 278,525,000 270,268,000 259,647,000 261,535,000 282,061,000 266,193,000 261,526,000 263,783,000 154,648,000 168,007,000 
        commitments and contingencies
                         
        stockholders’ equity:
                         
        common stock, 0.0001 par value...
      12,000 12,000 12,000 12,000 12,000 12,000 12,000 12,000 12,000 12,000 12,000 12,000 12,000 12,000 11,000 11,000 11,000   
        additional paid-in capital
      1,060,002,000 1,054,779,000 1,050,899,000 1,048,699,000 1,039,755,000 1,029,220,000 1,018,751,000 1,007,288,000 987,305,000 970,135,000 954,019,000 933,786,000 912,110,000 890,915,000 867,754,000 841,699,000 808,222,000 779,212,000 738,834,000 
        accumulated deficit
      -682,403,000 -685,580,000 -679,627,000 -685,501,000 -683,749,000 -687,221,000 -680,344,000 -676,272,000 -669,510,000 -666,831,000 -647,784,000 -630,371,000 -614,446,000 -603,634,000 -583,383,000 -559,540,000 -527,374,000 -493,241,000 -447,339,000 
        accumulated other comprehensive loss
      -1,806,000  -1,659,000 -1,759,000 -1,929,000  -1,669,000 -1,638,000 -1,620,000  -1,636,000 -1,365,000 -1,330,000       
        total stockholders’ equity
      375,805,000 367,730,000 369,625,000 361,451,000 354,089,000 340,073,000 336,750,000 329,390,000 316,187,000 301,787,000 304,611,000 302,062,000 296,346,000 286,646,000 283,959,000 282,031,000 280,883,000  291,556,000 
        total liabilities and stockholders’ equity
      736,409,000 720,919,000 706,921,000 701,899,000 682,755,000 676,490,000 637,990,000 618,206,000 592,892,000 580,312,000 574,879,000 561,709,000 557,881,000 568,707,000 550,152,000 543,557,000 544,666,000   
        accumulated other comprehensive income
       -1,481,000    -1,938,000    -1,529,000    -647,000 -423,000 -139,000 24,000 16,000 50,000 
        deferred rent
                       36,544,000 30,978,000 
        liabilities, redeemable convertible preferred stock, and stockholders’ deficit
                         
        redeemable convertible preferred stock, .0001 par value...
                         
        stockholders’ deficit:
                         
        total stockholders’ deficit
                       285,998,000  
        total liabilities, redeemable convertible preferred stock, and stockholders’ deficit
                       440,646,000  
        liabilities, redeemable convertible preferred stock, and stockholders’ equity
                         
        stockholders’ equity
                         
        common stock, .0001 par value...
                        11,000 
        total liabilities, redeemable convertible preferred stock, and stockholders’ equity
                        459,563,000 
      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 
                          
          cash flows from operating activities
                          
          net income
        3,177,000 -5,953,000 5,874,000 -1,752,000 3,472,000            -34,133,000  
          adjustments to reconcile net income to net cash from operating activities:
                          
          depreciation and amortization
        13,768,000 13,101,000 12,531,000 12,486,000 12,162,000 12,332,000 11,829,000 11,121,000 10,583,000 10,370,000 9,760,000 9,284,000 9,140,000 8,917,000 7,930,000 7,880,000 7,137,000 6,546,000 
          stock-based compensation
        11,391,000 6,276,000 7,031,000 8,896,000 12,333,000 8,630,000 10,785,000 13,831,000 14,048,000 16,426,000 16,291,000 18,012,000 19,780,000 19,823,000 24,301,000 26,764,000 27,144,000 31,146,000 
          asset impairment charges
        468,000 46,000 25,000 175,000 311,000 294,000 101,000 22,000 399,000 1,823,000 757,000 255,000 395,000 138,000     
          amortization of cloud-based software implementation costs
        1,022,000 1,014,000 903,000 751,000 737,000 842,000 854,000 935,000 1,073,000 1,216,000 853,000 463,000 363,000      
          change in operating assets and liabilities:
                          
          accounts receivable
        1,524,000 -2,142,000 -4,000 334,000 475,000 -855,000 115,000 -41,000 612,000 -1,059,000 455,000 -214,000 473,000 -325,000 -215,000 -74,000 163,000 -171,000 
          inventory
        -1,945,000 1,080,000 -2,324,000 5,338,000 3,739,000 421,000 580,000 3,104,000 5,784,000 1,383,000 -3,817,000 4,606,000 4,442,000 1,728,000 182,000 -6,557,000 -7,147,000 -5,653,000 
          prepaid expenses and other assets
        -5,901,000 -3,784,000 -2,932,000 -849,000 1,934,000 -2,085,000 -1,087,000 2,852,000 -2,913,000 -3,686,000 -891,000 1,958,000 -657,000 -5,741,000 -2,161,000 1,931,000 -4,316,000 -6,112,000 
          accounts payable
        2,220,000 19,603,000 -12,949,000 -2,780,000 4,626,000 -12,578,000 11,883,000 -1,943,000 3,327,000 -1,123,000 608,000 3,069,000 -921,000 1,266,000 -10,670,000 710,000 751,000 -18,743,000 
          accrued expenses
        12,200,000 -19,823,000 6,380,000 11,312,000 -560,000 6,793,000 -2,459,000 5,295,000 -108,000 -7,691,000 10,412,000 -3,793,000 -7,826,000 7,067,000 4,048,000 -6,209,000 -2,158,000 -2,238,000 
          deferred revenue
        -12,960,000 11,872,000 475,000 -991,000 -9,845,000 13,142,000 -1,836,000 -188,000 -10,377,000 13,994,000 -1,321,000 60,000 -6,744,000 9,379,000 -2,034,000 -1,108,000 -2,654,000 5,296,000 
          lease assets and liabilities
        16,000 1,325,000 2,880,000 4,668,000 -601,000              
          other liabilities
        -469,000 639,000 84,000 -210,000 575,000 146,000 -77,000 -81,000 -87,000 -99,000 -103,000 -109,000 -97,000 -148,000 -110,000 -287,000 2,217,000 -2,143,000 
          net cash from operating activities
        24,511,000 23,254,000 17,974,000 40,199,000 29,358,000 19,912,000 27,282,000 31,623,000 19,927,000 13,665,000 19,931,000 18,752,000 8,643,000 23,839,000 1,155,000 -4,328,000 -10,296,000 -31,859,000 
          capital expenditures
        -9,014,000 -12,221,000 -21,843,000 -16,552,000 -11,241,000 -18,854,000 -12,759,000 -18,144,000 -9,855,000 -15,867,000 -12,898,000 -11,831,000 -9,428,000 -15,066,000 -12,857,000 -16,471,000 -11,819,000 -15,583,000 
          free cash flows
        15,497,000 11,033,000 -3,869,000 23,647,000 18,117,000 1,058,000 14,523,000 13,479,000 10,072,000 -2,202,000 7,033,000 6,921,000 -785,000 8,773,000 -11,702,000 -20,799,000 -22,115,000 -47,442,000 
          cash flows from investing activities
                          
          purchases of property and equipment
        -16,138,000 -15,120,000 -19,490,000 -16,286,000 -16,152,000 -17,721,000 -14,223,000 -17,651,000 -14,437,000 -13,573,000 -15,488,000 -12,225,000 -12,385,000 -14,215,000 -14,097,000 -15,809,000 -16,060,000 -14,495,000 
          net cash from investing activities
        -16,138,000 -15,120,000 -19,490,000 -16,286,000 -16,152,000 -17,721,000 -14,223,000 -17,651,000 -16,437,000 -13,573,000 -16,488,000 -12,225,000 -12,385,000 -14,215,000 -14,097,000 -15,809,000 -16,060,000 -14,495,000 
          cash flows from financing activities
                          
          proceeds from stock option exercises
         10,000 32,000 78,000 39,000 17,000 47,000 2,548,000 91,000  174,000 762,000 81,000  67,000 48,000 180,000  
          shares withheld for taxes on stock-based compensation
        -6,160,000 -3,389,000 -4,640,000 -4,020,000 -2,341,000              
          net cash from financing activities
        -6,160,000 -2,314,000 -4,608,000 -2,773,000 -2,302,000 1,207,000 47,000 3,616,000 91,000 730,000 174,000 1,886,000 81,000 1,197,000 112,000 1,802,000 180,000 36,574,000 
          effect of exchange rates on cash
        -325,000 178,000 100,000 170,000 9,000 -267,000 -32,000 -14,000 -91,000 107,000 -308,000 -19,000 -662,000 -121,000 -888,000 -386,000 84,000 -41,000 
          net change in cash and cash equivalents
        1,888,000  -6,024,000 21,310,000 10,913,000  13,074,000 17,574,000 3,490,000  3,309,000        
          cash and cash equivalents, beginning of period
        286,358,000  254,161,000  216,894,000  208,585,000     
          cash and cash equivalents, end of period
        288,246,000  -6,024,000 21,310,000 265,074,000  13,074,000 17,574,000 220,384,000  3,309,000 8,394,000 204,262,000  -13,718,000    
          supplemental disclosures
                          
          cash paid for income taxes
        221,000 68,000 65,000 606,000 37,000 253,000 437,000 276,000 69,000 19,000 74,000 229,000 97,000 65,000 174,000 263,000 34,000 42,000 
          cash paid for interest
        84,000 76,000 73,000 72,000 104,000 77,000 77,000 16,000 76,000 72,000 45,000 60,000 50,000 95,000 27,000 27,000 35,000 56,000 
          non-cash investing and financing activities:
                          
          purchases of property and equipment included in accounts payable and accrued expenses
        7,124,000 2,899,000 -2,353,000 -266,000 4,911,000 -1,133,000 1,464,000 -493,000 4,582,000 -2,294,000 2,590,000 394,000 2,957,000 -851,000 1,240,000 -662,000 4,241,000 -1,088,000 
          non-cash charitable contribution
             2,591,000   500,000   
          investment in optical equipment company
             -2,000,000         
          proceeds from shares issued in connection with espp
                          
          other financing activity
                          
          net increase in cash and cash equivalents
                         -9,821,000 
          cash and cash equivalents
                          
          beginning of year
                        256,416,000 
          end of year
                        230,324,000 -9,821,000 
          proceeds from shares issued in connection with employee stock purchase plan
                      
          net loss
             -6,877,000 -4,072,000 -6,762,000 -2,679,000 -19,047,000 -17,413,000 -15,925,000 -10,812,000 -20,251,000 -23,843,000    
          adjustments to reconcile net loss to net cash from operating activities:
                          
          cash paid for amounts included in the measurement of lease liabilities
             22,791,000 467,000 10,801,000 10,400,000 10,002,000 9,594,000 6,681,000 10,849,000      
          other current liabilities
              153,000 -937,000 528,000 157,000 -95,000 -140,000 119,000 447,000 -143,000 104,000 129,000 1,000 
          right-of-use lease assets and current and non-current lease liabilities
              513,000 2,219,000 -263,000 1,001,000 1,844,000 626,000 988,000 1,039,000 2,361,000 1,414,000 2,571,000  
          deferred rent
                         5,567,000 
          proceeds from stock option and warrant exercises
                         9,948,000 
          employee tax withholding remitted in connection with exercise or release of equity awards
                         26,527,000 
          proceeds from repayment of related party loans
                     46,000    99,000 
          repurchase of stock
                          
          payment for tender offer
                         
          related party loans issued in connection with stock option exercises
                         
          net decrease in cash and cash equivalents
                    -4,323,000  -13,718,000 -18,721,000 -26,092,000  
          issuance of series f redeemable convertible preferred stock, net of issuance costs
                          
          issuance of series g redeemable convertible preferred stock, net of issuance costs
                          
          borrowings from credit facility
                          
          repayment of credit facility
                          
          stock repurchases
                          
          cancellation of options for consideration
                          
          other non-current assets