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Outset Medical, Inc
(NASDAQ:OM) 

OM stock logo

Outset Medical, Inc., a medical technology company, develops a hemodialysis system for dialysis. It offers Tablo Hemodialysis System, which comprises of a compact console with integrated water purification, on-demand dialysate production, and software and connectivity capabilities for dialysis care ...

Founded: 2003
Full Time Employees: 284
CEO: Leslie L. Trigg  
Sector: Healthcare
Industry: Medical Devices
Medical Devices
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At a glance:
Bull Thesis:
Bear Thesis:
Main Competitors:
Moat:
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 
                           
      revenue:
    		                       
      product revenue
    		18,550,000 19,874,000 20,558,000 23,082,000 21,294,000 21,006,000 20,305,000 19,238,000 20,428,000 22,897,000 23,531,000 29,330,000 27,779,000 26,364,000 21,739,000 19,621,000 25,664,000 23,650,000 21,824,000 20,628,000 18,210,000 13,177,000 10,812,000 
      service and other revenue
    		9,313,000 9,000,000 8,873,000 8,337,000 8,458,000 8,461,000 8,361,000 8,150,000 7,740,000 7,610,000 6,831,000 6,710,000 5,688,000 5,643,000 6,022,000 5,436,000 4,886,000 4,502,000 4,494,000 4,588,000 4,706,000 4,070,000 2,944,000 
      total revenue
    		27,863,000 28,874,000 29,431,000 31,419,000 29,752,000 29,467,000 28,666,000 27,388,000 28,168,000 30,507,000 30,362,000 36,040,000 33,467,000 32,007,000 27,761,000 25,057,000 30,550,000 28,152,000 26,318,000 25,216,000 22,916,000 17,247,000 13,756,000 
      yoy
    		-6.35% -2.01% 2.67% 14.72% 5.62% -3.41% -5.59% -24.01% -15.83% -4.69% 9.37% 43.83% 9.55% 13.69% 5.48% -0.63% 33.31% 63.23% 91.32%     
      qoq
    		-3.50% -1.89% -6.33% 5.60% 0.97% 2.79% 4.67% -2.77% -7.67% 0.48% -15.75% 7.69% 4.56% 15.29% 10.79% -17.98% 8.52% 6.97% 4.37% 10.04% 32.87% 25.38%  
      cost of revenue:
    		                       
      cost of product revenue
    		8,833,000 9,803,000 11,169,000 11,791,000 11,002,000 11,769,000 11,532,000 10,567,000 12,581,000 14,588,000 16,837,000 22,212,000 20,817,000 22,050,000 19,632,000 17,718,000 23,110,000 21,459,000 20,526,000 22,077,000 20,577,000 14,917,000 17,265,000 
      cost of service and other revenue
    		6,935,000 6,840,000 6,672,000 7,761,000 7,684,000 6,951,000 7,314,000 7,039,000 7,372,000 8,207,000 6,368,000 6,125,000 6,222,000 4,684,000 3,793,000 3,557,000 2,998,000 3,372,000 2,846,000 2,087,000 2,050,000 1,913,000 1,617,000 
      total cost of revenue
    		15,768,000 16,643,000 17,841,000 19,552,000 18,686,000 18,720,000 18,846,000 17,606,000 19,953,000 22,795,000 23,205,000 28,337,000 27,039,000 26,734,000 23,425,000 21,275,000 26,108,000 24,831,000 23,372,000 24,164,000 22,627,000 16,830,000 18,882,000 
      gross profit
    		12,095,000 12,231,000 11,590,000 11,867,000 11,066,000 10,747,000 9,820,000 9,782,000 8,215,000 7,712,000 7,157,000 7,703,000 6,428,000 5,273,000 4,336,000 3,782,000 4,442,000 3,321,000 2,946,000 1,052,000 289,000 417,000 -5,126,000 
      yoy
    		9.30% 13.81% 18.02% 21.31% 34.70% 39.35% 37.21% 26.99% 27.80% 46.25% 65.06% 103.68% 44.71% 58.78% 47.18% 259.51% 1437.02% 696.40% -157.47%     
      qoq
    		-1.11% 5.53% -2.33% 7.24% 2.97% 9.44% 0.39% 19.07% 6.52% 7.75% -7.09% 19.84% 21.90% 21.61% 14.65% -14.86% 33.75% 12.73% 180.04% 264.01% -30.70% -108.13%  
      gross margin %
    		43.41% 42.36% 39.38% 37.77% 37.19% 36.47% 34.26% 35.72% 29.16% 25.28% 23.57% 21.37% 19.21% 16.47% 15.62% 15.09% 14.54% 11.80% 11.19% 4.17% 1.26% 2.42% -37.26% 
      operating expenses:
    		                       
      research and development
    		5,618,000 5,055,000 5,376,000 5,289,000 5,515,000 7,889,000 8,139,000 9,734,000 12,635,000 12,532,000 16,076,000 14,906,000 13,793,000 11,444,000 13,059,000 13,521,000 10,831,000 11,410,000 9,729,000 8,032,000 7,570,000 7,784,000 9,175,000 
      sales and marketing
    		13,279,000 12,879,000 13,550,000 14,280,000 13,652,000 15,451,000 15,417,000 18,128,000 21,048,000 22,194,000 24,720,000 24,985,000 24,333,000 23,631,000 22,276,000 23,198,000 20,377,000 22,991,000 15,726,000 13,204,000 13,149,000 15,198,000 13,344,000 
      general and administrative
    		10,117,000 11,926,000 8,477,000 9,163,000 8,298,000 9,267,000 10,103,000 12,684,000 11,444,000 10,339,000 11,815,000 11,290,000 11,787,000 10,022,000 10,000,000 10,784,000 9,709,000 9,719,000 7,629,000 9,722,000 9,246,000 9,050,000 13,088,000 
      total operating expenses
    		29,014,000 29,860,000 27,403,000 28,732,000 27,465,000 32,607,000 33,659,000 40,546,000 45,127,000 45,065,000 52,611,000 51,181,000 49,913,000 45,097,000 45,335,000 47,503,000 40,917,000 44,120,000 33,084,000 30,958,000 29,965,000 32,032,000 35,607,000 
      income from operations
    		-16,919,000 -17,629,000 -15,813,000 -16,865,000 -16,399,000 -21,860,000 -23,839,000 -30,764,000 -36,912,000 -37,353,000 -45,454,000 -43,478,000 -43,485,000 -39,824,000 -40,999,000 -43,721,000 -36,475,000 -40,799,000 -30,138,000 -29,906,000 -29,676,000 -31,615,000 -40,733,000 
      yoy
    		3.17% -19.35% -33.67% -45.18% -55.57% -41.48% -47.55% -29.24% -15.12% -6.20% 10.87% -0.56% 19.22% -2.39% 36.04% 46.19% 22.91% 29.05% -26.01%     
      qoq
    		-4.03% 11.48% -6.24% 2.84% -24.98% -8.30% -22.51% -16.66% -1.18% -17.82% 4.54% -0.02% 9.19% -2.87% -6.23% 19.87% -10.60% 35.37% 0.78% 0.78% -6.13% -22.38%  
      operating margin %
    		-60.72% -61.05% -53.73% -53.68% -55.12% -74.18% -83.16% -112.33% -131.04% -122.44% -149.71% -120.64% -129.93% -124.42% -147.69% -174.49% -119.39% -144.92% -114.51% -118.60% -129.50% -183.31% -296.11% 
      interest income and other income
    		1,527,000 1,674,000 1,855,000 1,903,000 1,976,000 2,043,000 2,149,000 2,471,000 3,098,000 2,282,000 2,573,000 2,668,000 2,648,000 1,907,000 805,000 459,000 120,000 123,000 99,000 164,000 112,000 2,000 -3,000 
      interest expense
    		-3,369,000 -3,441,000 -3,476,000 -3,475,000 -3,560,000 -5,825,000 -6,068,000 -6,010,000 -5,968,000 -3,417,000 -3,213,000 -3,103,000 -2,942,000 -2,096,000 -567,000 -481,000 -422,000 -431,000 -431,000 -431,000 -422,000 -430,000 -428,000 
      loss on extinguishment of term loan
    		    -7,685,000                  -1,567,000 
      income before provision for income taxes
    		-18,761,000 -19,396,000 -17,434,000 -18,437,000 -25,668,000 -25,642,000 -27,758,000 -34,303,000 -39,782,000 -38,488,000 -46,094,000 -43,913,000 -43,779,000 -41,380,000 -40,761,000 -43,743,000 -36,777,000 -41,107,000 -30,470,000 -30,173,000 -29,986,000 -32,043,000 -42,294,000 
      provision for income taxes
    		217,000 95,000 404,000 104,000 115,000 -4,000 182,000 151,000 162,000 112,000 86,000 133,000 192,000 64,000 20,000 96,000 115,000 125,000  35,000 39,000   
      net income
    		-18,978,000 -19,491,000 -17,838,000 -18,541,000 -25,783,000 -25,638,000 -27,940,000 -34,454,000 -39,944,000 -38,600,000 -46,180,000 -44,046,000 -43,971,000 -41,444,000 -40,781,000 -43,839,000 -36,892,000 -41,232,000 -30,470,000 -30,208,000 -30,025,000 -32,043,000 -42,294,000 
      yoy
    		-26.39% -23.98% -36.16% -46.19% -35.45% -33.58% -39.50% -21.78% -9.16% -6.86% 13.24% 0.47% 19.19% 0.51% 33.84% 45.12% 22.87% 28.68% -27.96%     
      qoq
    		-2.63% 9.27% -3.79% -28.09% 0.57% -8.24% -18.91% -13.74% 3.48% -16.41% 4.84% 0.17% 6.10% 1.63% -6.98% 18.83% -10.53% 35.32% 0.87% 0.61% -6.30% -24.24%  
      net income margin %
    		-68.11% -67.50% -60.61% -59.01% -86.66% -87.01% -97.47% -125.80% -141.81% -126.53% -152.10% -122.21% -131.39% -129.48% -146.90% -174.96% -120.76% -146.46% -115.78% -119.80% -131.02% -185.79% -307.46% 
      net income per share
    		-1.03 -1 -1 -1.04 -3.66 -0.48 -0.55 -0.66 -0.78 -0.76 -0.93 -0.9 -0.9 -0.84 -0.85 -0.92 -0.78 -0.93 -0.65 -0.66  1.45 -3.44 
      shares used in computing net loss per share, basic and diluted
    		18,373 983 17,783 17,743 7,038 266 50,501 51,880 50,901 224 49,913 48,951 48,783 326 48,129 47,882 47,487       
      change in fair value of redeemable convertible preferred stock warrant liability
    		                      437,000 
      net loss attributable to common stockholders, basic and diluted
    		                 -41,232,000 -30,470,000 -30,208,000  -32,043,000 -42,294,000 
      weighted-average shares used for eps calculation
    		                 45,589 46,588 45,680  16,358 12,299 
      net income attributable to common stockholders:
    		                       
      basic
    		                    -30,025,000   
      diluted
    		                    -30,025,000   
      net income per share
    		-1.03 -1 -1 -1.04 -3.66 -0.48 -0.55 -0.66 -0.78 -0.76 -0.93 -0.9 -0.9 -0.84 -0.85 -0.92 -0.78 -0.93 -0.65 -0.66  1.45 -3.44 
      basic
    		                    -0.7   
      diluted
    		                    -0.7   
      weighted-average shares used for eps calculation
    		                 45,589 46,588 45,680  16,358 12,299 
      basic
    		                    42,760   
      diluted
    		                    42,760   
    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 
                             
        assets
      		                       
        current assets:
      		                       
        cash and cash equivalents
      		30,562,000 35,006,000 36,437,000 39,559,000 75,928,000 124,014,000 33,287,000 37,859,000 32,176,000 68,509,000 36,297,000 36,388,000 36,386,000 73,222,000 63,877,000 75,497,000 114,346,000 182,348,000 230,508,000 274,274,000 251,767,000 294,972,000 311,327,000 
        short-term investments
      		126,144,000 133,940,000 142,201,000 144,531,000 113,074,000 34,671,000 142,346,000 156,989,000 194,743,000 134,815,000 157,701,000 186,403,000 212,827,000 214,280,000 163,640,000 186,565,000 187,921,000 157,140,000 142,535,000 121,934,000 25,717,000 19,898,000 32,888,000 
        accounts receivable
      		25,322,000 28,329,000 32,962,000 34,891,000 36,889,000 35,619,000 34,259,000 34,121,000 36,478,000 32,980,000 35,493,000 36,902,000 34,314,000 28,070,000 22,512,000 24,627,000 26,899,000 25,600,000 19,302,000 16,411,000 12,110,000 6,468,000 7,082,000 
        inventories
      		49,650,000 47,609,000 49,289,000 52,249,000 55,770,000 59,387,000 61,436,000 61,599,000 55,839,000 49,215,000 48,257,000 44,495,000 47,733,000 51,476,000 55,260,000 53,689,000 42,873,000 39,185,000 34,297,000 28,882,000 24,554,000 18,384,000 11,810,000 
        prepaid expenses and other current assets
      		5,031,000 5,999,000 4,478,000 4,348,000 4,900,000 4,530,000 3,945,000 4,569,000 6,155,000 5,700,000 6,026,000 5,216,000 6,015,000 6,597,000 4,714,000 5,399,000 5,387,000 5,529,000 6,659,000 6,459,000 7,578,000 6,189,000 4,717,000 
        total current assets
      		236,709,000 250,883,000 265,367,000 275,578,000 286,561,000 258,221,000 275,273,000 295,137,000 325,391,000 291,219,000 283,774,000 309,404,000 337,275,000 373,645,000 310,003,000 345,777,000 377,426,000 409,802,000 433,301,000 447,960,000 321,726,000 345,911,000 367,824,000 
        restricted cash
      		3,829,000 3,829,000 3,329,000 3,329,000 3,329,000 3,329,000 3,329,000 3,329,000 3,329,000 3,329,000 3,329,000 3,329,000 3,311,000 3,311,000 33,311,000 33,311,000 33,311,000 33,311,000 33,311,000 33,311,000 33,311,000 33,311,000 33,311,000 
        property and equipment
      		4,073,000 4,670,000 5,254,000 6,166,000 6,944,000 8,133,000 9,492,000 10,873,000 11,953,000 13,273,000 13,774,000 14,539,000 15,189,000 15,876,000 15,617,000 15,245,000 13,882,000 12,964,000 14,532,000 15,275,000 15,548,000 14,998,000 14,412,000 
        operating lease right-of-use assets
      		4,410,000 4,797,000 2,767,000 3,168,000 3,559,000 3,940,000 4,312,000 4,675,000 5,029,000 5,375,000 5,713,000 6,042,000 5,823,000 6,117,000 6,405,000 6,687,000 6,962,000 7,231,000 7,494,000 7,752,000 8,004,000 8,253,000 8,498,000 
        finance lease right-of-use assets
      		80,000                       
        other assets
      		353,000 317,000 538,000 560,000 818,000 2,172,000 484,000 520,000 540,000 605,000 961,000 1,128,000 1,067,000 1,166,000 386,000 216,000 161,000 156,000 166,000 515,000 1,240,000 1,356,000 1,977,000 
        total assets
      		249,454,000 264,496,000 277,255,000 288,801,000 301,211,000 275,795,000 292,890,000 314,534,000 346,242,000 313,801,000 307,551,000 334,442,000 362,665,000 400,115,000 365,722,000 401,236,000 431,742,000 463,464,000 488,804,000 504,813,000 379,829,000 403,829,000 426,022,000 
        liabilities and stockholders' equity
      		                       
        current liabilities:
      		                       
        accounts payable
      		1,440,000 554,000 1,724,000 1,445,000 1,172,000 3,862,000 4,295,000 5,255,000 6,773,000 5,827,000 2,880,000 2,217,000 1,988,000 603,000 1,444,000 2,753,000 5,149,000 1,763,000 2,702,000 2,364,000 6,651,000 4,948,000 5,062,000 
        accrued compensation and related benefits
      		8,754,000 10,735,000 10,855,000 9,789,000 8,241,000 16,821,000 14,719,000 11,431,000 14,248,000 19,005,000 21,544,000 17,461,000 14,419,000 21,519,000 19,273,000 15,795,000 13,478,000 24,948,000 17,759,000 15,308,000 12,602,000 16,845,000 10,850,000 
        accrued expenses and other current liabilities
      		11,599,000 9,433,000 6,692,000 8,518,000 7,838,000 8,205,000 6,749,000 9,747,000 11,968,000 13,459,000 12,160,000 12,650,000 13,893,000 16,227,000 16,370,000 23,261,000 18,610,000 13,789,000 11,389,000 9,256,000 8,183,000 7,903,000 8,959,000 
        accrued warranty liability
      		1,352,000 1,374,000 1,363,000 1,239,000 1,930,000 1,938,000 2,156,000 2,199,000 3,200,000 3,712,000 4,068,000 4,168,000 3,569,000 3,620,000 3,456,000 3,444,000 3,628,000 3,704,000 3,234,000 3,073,000 2,860,000 2,913,000 3,258,000 
        deferred revenue, current
      		12,641,000 13,795,000 14,900,000 14,009,000 13,189,000 12,753,000 12,766,000 13,108,000 12,839,000 11,727,000 10,828,000 10,854,000 9,038,000 8,662,000 7,825,000 7,752,000 6,833,000 6,340,000 5,212,000 4,373,000 3,540,000 3,201,000 4,132,000 
        operating lease liabilities, current
      		1,795,000 1,739,000 1,912,000 1,909,000 1,853,000 1,799,000 1,745,000 1,693,000 1,642,000 1,593,000 1,544,000 1,474,000 1,361,000 1,318,000 1,276,000 1,235,000 1,192,000 1,151,000 1,109,000 1,069,000 984,000 882,000 782,000 
        finance lease liabilities, current
      		26,000                       
        total current liabilities
      		37,607,000 37,630,000 37,446,000 36,909,000 34,223,000 45,378,000 42,430,000 43,433,000 50,670,000 55,323,000 53,024,000 48,824,000 44,268,000 51,949,000 49,644,000 55,240,000 48,890,000 51,695,000 41,405,000 35,443,000 34,820,000 36,692,000 33,043,000 
        deferred revenue
      		366,000 406,000 676,000 587,000 804,000 844,000 77,000 130,000 186,000 101,000 99,000 89,000 116,000 151,000          
        operating lease liabilities
      		2,797,000 3,271,000 1,244,000 1,707,000 2,201,000 2,684,000 3,157,000 3,616,000 4,054,000 4,482,000 4,901,000 5,308,000 5,220,000 5,576,000          
        finance lease liabilities
      		59,000                       
        term loan
      		96,937,000          96,784,000 96,629,000 96,480,000 96,336,000          
        total liabilities
      		137,766,000 137,544,000 134,890,000 134,017,000 131,343,000 248,976,000 245,068,000 245,935,000 253,042,000 190,915,000 155,488,000 151,334,000 146,379,000 154,125,000 86,619,000 91,472,000 86,289,000 89,383,000 79,053,000 73,651,000 73,184,000 75,220,000 71,689,000 
        commitments and contingencies
      		                       
        stockholders' equity:
      		                       
        preferred stock, 0.001 par value...
      		  3,841,000 3,841,000 3,841,000                   
        common stock, 0.001 par value...
      		18,000 18,000 18,000 18,000 18,000 53,000 52,000 52,000 52,000 50,000 50,000 50,000 49,000 48,000 48,000 48,000 48,000 47,000 47,000 46,000 43,000 43,000 42,000 
        additional paid-in capital
      		1,302,097,000 1,298,138,000 1,290,234,000 1,284,923,000 1,281,427,000 1,116,447,000 1,111,503,000 1,104,994,000 1,095,097,000 1,084,515,000 1,075,413,000 1,060,418,000 1,049,271,000 1,035,456,000 1,027,495,000 1,017,396,000 1,008,940,000 1,000,212,000 994,486,000 985,436,000 830,694,000 822,624,000 816,306,000 
        accumulated other comprehensive income
      		-73,000 172,000 157,000 49,000 88,000 42,000 352,000 -302,000 -258,000         -184,000 -20,000 -28,000 -8,000 1,000 1,000 
        accumulated deficit
      		-1,190,354,000 -1,171,376,000 -1,151,885,000 -1,134,047,000 -1,115,506,000 -1,089,723,000 -1,064,085,000 -1,036,145,000 -1,001,691,000 -961,747,000 -923,147,000 -876,967,000 -832,921,000 -788,950,000 -747,506,000 -706,725,000 -662,886,000 -625,994,000 -584,762,000 -554,292,000 -524,084,000 -494,059,000 -462,016,000 
        total stockholders' equity
      		111,688,000 126,952,000 142,365,000 154,784,000 169,868,000 26,819,000 47,822,000 68,599,000 93,200,000 122,886,000 152,063,000 183,108,000 216,286,000 245,990,000 279,103,000 309,764,000 345,453,000 374,081,000 409,751,000 431,162,000 306,645,000 328,609,000 354,333,000 
        total liabilities and stockholders' equity
      		249,454,000 264,496,000 277,255,000 288,801,000 301,211,000 275,795,000 292,890,000 314,534,000 346,242,000 313,801,000 307,551,000 334,442,000 362,665,000 400,115,000 365,722,000 401,236,000 431,742,000 463,464,000 488,804,000 504,813,000 379,829,000   
        accrued interest
      		     2,695,000 2,222,000 1,762,000 1,319,000 896,000 680,000 484,000 295,000 113,000          
        term loans
      		 96,237,000 95,524,000 94,814,000 94,115,000 197,375,000 197,182,000 196,994,000 196,813,000 130,113,000              
        accumulated other comprehensive loss
      		         68,000 -253,000 -393,000 -113,000 -564,000 -934,000 -955,000 -649,000       
        accrued interest, noncurrent
      		              1,081,000 960,000 840,000 721,000 600,000 479,000 359,000 240,000 119,000 
        deferred revenue, noncurrent
      		              142,000 205,000 194,000 312,000 109,000 515,000 536,000 570,000 566,000 
        operating lease liabilities, noncurrent
      		              5,924,000 6,261,000 6,581,000 6,893,000 7,199,000 7,496,000 7,773,000 8,044,000 8,309,000 
        term loan, noncurrent
      		              29,828,000 28,806,000 29,784,000 29,762,000 29,740,000 29,718,000 29,696,000 29,674,000 29,652,000 
        term loan, current
      		               1,000,000        
        labilities, redeemable convertible preferred stock and stockholders' equity
      		                       
        redeemable convertible preferred stock
      		                       
        redeemable convertible preferred stock, 0.001 par value...
      		                       
        stockholders' equity
      		                       
        total liabilities, redeemable convertible preferred stock and stockholders' equity
      		                     403,829,000 426,022,000 
                             
      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 
                              
          cash flows from operating activities:
        		                      
          net loss
        		-18,978,000 -19,491,000 -17,838,000 -18,541,000 -25,783,000 -25,638,000 -27,940,000 -34,454,000 -39,944,000 -38,600,000 -46,180,000 -44,046,000 -43,971,000 -41,444,000 -40,781,000 -43,839,000 -36,892,000 -41,232,000 -30,470,000 -30,208,000 -30,025,000 -32,043,000 
          adjustments to reconcile net loss to net cash from operating activities:
        		                      
          stock-based compensation expense
        		3,453,000 4,063,000 5,080,000 3,496,000 2,977,000 4,945,000 6,388,000 9,820,000 8,203,000 9,098,000 10,893,000 10,105,000 8,538,000 7,353,000 7,430,000 7,414,000 5,006,000 4,792,000 2,864,000 3,937,000 5,852,000  
          depreciation and amortization
        		795,000 881,000 1,011,000 1,155,000 1,294,000 1,406,000 1,391,000 1,471,000 1,460,000 1,446,000 1,466,000 1,514,000 1,384,000 1,269,000 1,314,000 1,324,000 1,262,000 1,296,000 1,313,000 1,307,000 1,246,000 1,930,000 
          non-cash lease expense
        		387,000 410,000 401,000 391,000 381,000 372,000 363,000 354,000 346,000 352,000 316,000 308,000 295,000 288,000 282,000 275,000 269,000 263,000 258,000 252,000 249,000 245,000 
          non-cash interest expense
        		700,000 713,000 710,000 699,000 636,000 676,000 657,000 634,000 607,000 451,000 463,000 451,000 463,000 -45,000 144,000 142,000 140,000 143,000 144,000 142,000 140,000 144,000 
          amortization of premium on investments
        		-413,000 -536,000 -689,000 -626,000 -402,000  -962,000                
          change in provision for inventories
        		95,000 79,000                     
          change in provision for credit losses
        		-402,000 2,865,000                     
          loss on extinguishment of term loan
        		 0 0 0 7,685,000                 0 
          changes in operating assets and liabilities:
        		                      
          accounts receivable
        		3,409,000 1,768,000 2,900,000 574,000 -1,467,000 -1,920,000 -139,000 544,000 -3,497,000 2,470,000 1,355,000 -2,695,000 -6,224,000 -5,585,000 2,115,000 2,263,000 -1,299,000 -6,299,000 -2,892,000 -4,300,000 -5,646,000 631,000 
          inventories
        		-2,244,000 1,492,000 3,004,000 3,606,000 3,691,000 2,132,000 225,000 -6,233,000 -6,981,000 -960,000 -3,507,000 3,241,000 2,873,000 2,962,000 -2,381,000 -11,127,000 -4,184,000 -4,117,000 -5,809,000 -4,869,000 -7,247,000 -7,051,000 
          prepaid expenses and other assets
        		932,000 -1,300,000 -108,000 809,000 -341,000 -1,064,000 652,000 1,596,000 -400,000 299,000 -756,000 627,000 569,000 -1,943,000 658,000 -67,000 137,000 1,142,000 148,000 1,551,000 -981,000 -848,000 
          accounts payable
        		865,000 -1,129,000 338,000 270,000 -2,772,000 -441,000 -963,000 -1,489,000 945,000 3,061,000 569,000 207,000 1,475,000 -706,000 -1,259,000 -2,592,000 3,276,000 -915,000 358,000 -4,122,000 1,613,000 369,000 
          accrued compensation and related benefits
        		-1,980,000 -120,000 1,066,000 1,547,000 -8,579,000 2,102,000 3,288,000 -2,817,000 -4,462,000 -2,540,000 4,083,000 3,042,000 -7,100,000          
          accrued expenses and other current liabilities
        		2,166,000 2,735,000 -1,826,000 980,000 -370,000 1,159,000 -2,632,000 -2,328,000 -1,367,000 1,487,000 -388,000 -1,383,000 -2,337,000 -665,000 -5,890,000 4,140,000 4,226,000 2,393,000 1,988,000 1,344,000 164,000 -338,000 
          accrued warranty liability
        		-22,000 11,000 123,000 -690,000 -8,000 -218,000 -43,000 -1,001,000 -512,000 -356,000 -100,000 598,000 -51,000 165,000 12,000 -184,000 -76,000 470,000 161,000 213,000 -53,000 -345,000 
          deferred revenue
        		-1,194,000 -1,375,000 980,000 603,000 396,000 754,000 -395,000 213,000 1,197,000 901,000 -16,000 1,789,000 341,000 846,000 10,000 930,000 375,000 1,331,000 433,000 812,000 305,000 -927,000 
          operating lease liabilities
        		-413,000 -587,000 -460,000 -437,000 -429,000 -420,000 -407,000 -387,000 -379,000 -385,000 -322,000 -327,000 -313,000 -306,000 -296,000 -277,000 -271,000 -265,000 -257,000 -191,000 -169,000 -164,000 
          accrued interest
        		 0 0 0 -2,695,000                 0 
          net cash from operating activities
        		-12,844,000 -9,521,000 -6,320,000 -4,823,000 -25,663,000 -16,488,000 -20,568,000 -33,335,000 -45,912,000 -24,442,000 -33,999,000 -28,176,000 -44,756,000 -34,507,000 -34,312,000 -38,575,000 -38,335,000 -32,676,000 -28,131,000 -30,841,000 -38,616,000 -25,840,000 
          capital expenditures
        		-65,000 -223,000 -160,000 -292,000 -123,000 -43,000 -395,000 -120,000 -354,000 -1,053,000 -782,000 -795,000 -810,000 -2,109,000 -2,741,000 -1,997,000 -1,478,000 -851,000 -491,000 -847,000 -919,000 -2,662,000 
          free cash flows
        		-12,909,000 -9,744,000 -6,480,000 -5,115,000 -25,786,000 -16,531,000 -20,963,000 -33,455,000 -46,266,000 -25,495,000 -34,781,000 -28,971,000 -45,566,000 -36,616,000 -37,053,000 -40,572,000 -39,813,000 -33,527,000 -28,622,000 -31,688,000 -39,535,000 -28,502,000 
          cash flows from investing activities:
        		                      
          purchases of property and equipment
        		-65,000 -223,000 -160,000 -292,000 -123,000 -43,000 -395,000 -120,000 -354,000 -1,053,000 -782,000 -795,000 -810,000 -2,109,000 -2,741,000 -1,997,000 -1,478,000 -851,000 -491,000 -847,000 -919,000 -2,662,000 
          purchases of investment securities
        		-22,895,000 -28,221,000 -40,095,000 -57,322,000 -96,331,000 -6,117,000 -22,022,000 -29,793,000 -98,652,000 -51,022,000 -23,413,000 -29,702,000 -68,147,000 -92,539,000 -35,600,000 -68,303,000 -64,712,000 -30,300,000 -25,731,000    
          sales and maturities of investment securities
        		30,859,000 37,034,000 43,222,000 26,452,000 18,375,000         42,900,000 58,500,000 68,984,000 32,800,000 14,733,000 4,400,000    
          net cash from investing activities
        		7,899,000 8,590,000 2,967,000 -31,162,000 -78,079,000 108,153,000 15,875,000 38,941,000 -59,031,000 23,425,000 29,805,000 27,153,000 2,643,000 -51,748,000 20,159,000 -1,316,000 -33,390,000 -16,418,000 -21,822,000 -97,460,000 -6,807,000 10,358,000 
          cash flows from financing activities:
        		                      
          proceeds from espp purchases
        		506,000                      
          payments on finance lease liabilities
        		-5,000                      
          repayment of term loan and extinguishment costs
        		 0 0 0 -204,954,000                 0 
          proceeds from issuance of term loan, net of issuance costs
        		                     0 
          proceeds from issuance of series a convertible preferred stock, net of issuance costs
        		 0 0 -384,000 161,932,000                  
          net cash from financing activities
        		501,000 0 231,000 -384,000 55,656,000 -938,000 121,000 77,000 68,610,000 33,229,000 4,103,000 1,043,000 5,277,000 65,600,000 2,533,000 1,042,000 3,723,000 934,000 6,187,000 150,808,000 2,218,000 -873,000 
          net decrease in cash, cash equivalents and restricted cash
        		-4,444,000  -3,122,000 -36,369,000 -48,086,000  -4,572,000 5,683,000 -36,333,000 32,212,000 -91,000 20,000 -36,836,000  -11,620,000 -38,849,000 -68,002,000      
          cash, cash equivalents and restricted cash as of beginning of period
        		38,835,000 0 0 0 127,343,000 0 0 0 71,838,000 0 0 0 76,533,000 0 0 0 215,659,000 0 0 0 328,283,000 0 
          cash, cash equivalents and restricted cash as of end of period
        		34,391,000 -931,000 -3,122,000 -36,369,000 79,257,000 90,727,000 -4,572,000 5,683,000 35,505,000 32,212,000 -91,000 20,000 39,697,000 -20,655,000 -11,620,000 -38,849,000 147,657,000 -48,160,000 -43,766,000 22,507,000 285,078,000 -16,355,000 
          summary of cash, cash equivalents and restricted cash reported within the balance sheets:
        		                      
          cash and cash equivalents
        		30,562,000 -1,431,000 -3,122,000 -36,369,000 75,928,000                  
          restricted cash
        		3,829,000 500,000 0 0 3,329,000                  
          total cash, cash equivalents and restricted cash
        		34,391,000 -931,000 -3,122,000 -36,369,000 79,257,000                  
          loss on disposal of property and equipment
        		 0 3,000   19,000 11,000               230,000 
          proceeds from stock option exercises and espp purchases
        		 0 231,000 0 408,000 0 121,000 77,000 2,086,000              
          proceeds from issuance of term loans, net of issuance costs
        		 0 0 0 98,270,000 0 0 0 66,524,000              
          payment of deferred financing costs
        		                      
          net increase in cash, cash equivalents and restricted cash
        		                 -48,160,000 -43,766,000 22,507,000 -43,205,000 -16,355,000 
          provision for inventories
        		   -86,000 -74,000 -83,000 -62,000 256,000 450,000 61,000 -196,000 -2,000 870,000 993,000 809,000 312,000 496,000 257,000 441,000 210,000 115,000 91,000 
          provision for credit losses
        		                      
          allowance for credit losses
        		    197,000 561,000 0                
          supplemental cash flow disclosures:
        		                      
          cash paid for income taxes
        		    108,000 121,000 116,000 100,000 256,000 88,000 92,000 110,000 201,000 51,000 51,000 78,000 205,000 11,000 30,000    
          cash paid for interest
        		    7,364,000 5,148,000 5,435,000 5,178,000 4,924,000 9,011,000 -3,295,000 2,652,000 2,479,000 2,141,000 423,000 339,000 282,000 288,000 709,000 -133,000 282,000 1,089,000 
          cash paid for amounts included in the measurement of operating lease liabilities
        		    429,000 420,000 407,000 387,000 379,000 385,000 322,000 327,000 313,000 306,000 296,000 277,000 271,000 265,000 257,000 191,000 169,000  
          accretion (amortization) of discount (premium) on investments
        		        -1,577,000 -1,270,000 -1,746,000 -1,803,000 -1,550,000          
          maturities of investment securities
        		      38,292,000 68,854,000 39,975,000 75,500,000 54,000,000 57,650,000 71,600,000          
          supplemental non-cash investing and financing activities:
        		                      
          capital expenditures included in accounts payable and accrued expenses
        		      -107,000 78,000 37,000  -9,000 161,000 55,000  -1,057,000 706,000 907,000    238,000  
          transfer of inventories to property and equipment
        		      0 55,000 93,000              
          right-of-use assets obtained in exchange for operating lease liabilities
        		          -14,000            
          other non-cash items
        		        -1,000 43,000 67,000 198,000 -18,000 50,000 -3,000 26,000 3,000      
          proceeds from issuance of common stock upon the follow-on public offering, net of issuance costs
        		                      
          proceeds from stock option exercises and employee stock purchase plan purchases
        		          4,103,000 1,043,000 5,277,000 609,000 2,668,000 1,042,000 3,723,000 934,000 6,187,000 1,723,000 2,218,000  
          accretion of discount on investments
        		             -632,000 46,000 368,000 667,000  738,000 375,000 60,000  
          accrued payroll and related benefits
        		             2,247,000 3,478,000 2,317,000 -11,470,000 7,190,000 2,451,000 2,706,000 -4,244,000 5,995,000 
          proceeds from issuance of common stock upon initial and follow-on public offerings, net of issuance costs
        		                 0     
          proceeds from issuance of redeemable convertible preferred stock, net of issuance costs
        		                     0 
          proceeds from cash exercise of redeemable convertible preferred stock warrants
        		                     0 
          proceeds from issuance of common stock upon follow-on public offerings, net of issuance costs
        		                      
          transfer of property and equipment to inventories
        		                      
          provision for accounts receivable
        		                 0 0 0 5,000 -17,000 
          change in fair value of redeemable convertible preferred stock warrant liability
        		                     0 
          repayment of finance lease
        		                     -1,000 
          proceeds from exercise of common stock warrant
        		                      
          payment of redeemable convertible preferred stock issuance costs
        		                      
          proceeds from issuance of common stock upon follow-on public offering, net of issuance costs
        		                      
          payment of deferred offering costs
        		                      
          purchases of short-term investments
        		                    -25,788,000 0 
          sales and maturities of short-term investments
        		                    19,900,000 12,989,000 
          deemed dividend on settlement of accrued dividend
        		                      
          adjustment to redemption value on redeemable convertible preferred stock
        		                      
          issuance of common stock on settlement of accrued dividend
        		                      
          amortization of premium (discount) on investments
        		                     -10,000 
          proceed from sales of property and equipment
        		                      
          proceeds from issuance of common stock upon initial public offering, net of issuance costs paid
        		                     -923,000 
          proceeds from stock option exercises
        		                     51,000 
          stock-based compensation