7Baggers

SI-BONE, Inc
(NASDAQ:SIBN) 

SIBN stock logo

SI-BONE, Inc., a medical device company, develops implantable devices used in the surgical treatment of the sacropelvic anatomy in the United States and Internationally. The company offers iFuse, a minimally invasive surgical implant system, which is intended to fuse the sacroiliac joint to treat sa...

Founded: 2008
Full Time Employees: 262
Sector: Healthcare
Industry: Medical Devices
Medical Devices
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At a glance:
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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 2019-03-31 2018-12-31 2018-09-30 
                                   
      revenue
    		52,588,000 56,349,000 48,656,000 48,630,000 47,290,000 49,002,000 40,340,000 39,969,000 37,867,000 38,859,000 34,014,000 33,305,000 32,708,000 31,953,000 26,432,000 25,585,000 22,439,000 25,230,000 22,286,000 22,194,000 20,442,000 22,144,000 20,373,000 14,049,000 16,821,000 19,811,000 16,182,000 16,317,000 14,991,000 15,624,000 13,381,000 
      yoy
    		11.20% 14.99% 20.61% 21.67% 24.88% 26.10% 18.60% 20.01% 15.77% 21.61% 28.68% 30.17% 45.76% 26.65% 18.60% 15.28% 9.77% 13.94% 9.39% 57.98% 21.53% 11.78% 25.90% -13.90% 12.21% 26.80% 20.93%     
      qoq
    		-6.67% 15.81% 0.05% 2.83% -3.49% 21.47% 0.93% 5.55% -2.55% 14.24% 2.13% 1.83% 2.36% 20.89% 3.31% 14.02% -11.06% 13.21% 0.41% 8.57% -7.69% 8.69% 45.01% -16.48% -15.09% 22.43% -0.83% 8.85% -4.05% 16.76%  
      cost of goods sold
    		10,644,000 11,818,000 9,810,000 9,823,000 9,595,000 10,225,000 8,437,000 8,393,000 8,002,000 10,183,000 7,041,000 6,318,000 5,924,000 5,089,000 4,168,000 3,465,000 2,983,000 3,375,000 2,478,000 2,375,000 2,200,000 2,275,000 2,578,000 2,117,000 1,932,000 2,046,000 1,630,000 1,588,000 1,526,000 1,382,000 1,221,000 
      gross profit
    		41,944,000 44,531,000 38,846,000 38,807,000 37,695,000 38,777,000 31,903,000 31,576,000 29,865,000 28,676,000 26,973,000 26,987,000 26,784,000 26,864,000 22,264,000 22,120,000 19,456,000 21,855,000 19,808,000 19,819,000 18,242,000 19,869,000 17,795,000 11,932,000 14,889,000 17,765,000 14,552,000 14,729,000 13,465,000 14,242,000 12,160,000 
      yoy
    		11.27% 14.84% 21.76% 22.90% 26.22% 35.22% 18.28% 17.00% 11.50% 6.75% 21.15% 22.00% 37.66% 22.92% 12.40% 11.61% 6.65% 10.00% 11.31% 66.10% 22.52% 11.84% 22.29% -18.99% 10.58% 24.74% 19.67%     
      qoq
    		-5.81% 14.63% 0.10% 2.95% -2.79% 21.55% 1.04% 5.73% 4.15% 6.31% -0.05% 0.76% -0.30% 20.66% 0.65% 13.69% -10.98% 10.33% -0.06% 8.64% -8.19% 11.65% 49.14% -19.86% -16.19% 22.08% -1.20% 9.39% -5.46% 17.12%  
      gross margin %
    		79.76% 79.03% 79.84% 79.80% 79.71% 79.13% 79.09% 79.00% 78.87% 73.80% 79.30% 81.03% 81.89% 84.07% 84.23% 86.46% 86.71% 86.62% 88.88% 89.30% 89.24% 89.73% 87.35% 84.93% 88.51% 89.67% 89.93% 90.27% 89.82% 91.15% 90.88% 
      operating expenses:
    		                               
      sales and marketing
    		32,808,000 32,806,000 29,956,000 30,781,000 30,681,000 31,249,000 27,448,000 28,970,000 29,387,000 28,937,000 26,512,000 27,492,000 27,313,000 27,609,000 25,669,000 28,843,000 25,605,000 26,353,000 23,525,000 23,084,000 20,922,000 19,982,000 18,772,000 15,755,000 19,281,000 19,266,000 16,443,000 16,727,000 15,815,000 12,607,000 10,605,000 
      research and development
    		4,192,000 4,363,000 4,242,000 4,309,000 4,534,000 3,870,000 3,993,000 4,352,000 4,345,000 4,162,000 3,919,000 3,656,000 3,291,000 3,480,000 3,089,000 3,478,000 3,580,000 3,049,000 3,288,000 3,149,000 2,955,000 2,426,000 2,778,000 2,165,000 2,090,000 1,776,000 1,874,000 1,946,000 1,683,000 1,501,000 1,373,000 
      general and administrative
    		10,037,000 9,825,000 10,031,000 10,721,000 9,960,000 9,152,000 8,095,000 8,332,000 8,176,000 8,083,000 7,711,000 7,802,000 7,473,000 7,069,000 7,072,000 7,680,000 7,139,000 6,384,000 6,194,000 6,551,000 5,940,000 5,332,000 4,920,000 4,151,000 5,400,000 5,208,000 6,816,000 4,194,000 4,766,000 4,441,000 3,226,000 
      total operating expenses
    		47,037,000 46,994,000 44,229,000 45,811,000 45,175,000 44,271,000 39,536,000 41,654,000 41,908,000 41,182,000 38,142,000 38,950,000 38,077,000 38,158,000 35,830,000 40,001,000 36,324,000 35,786,000 33,007,000 32,784,000 29,817,000 27,740,000 26,470,000 22,071,000 26,771,000 26,250,000 25,133,000 22,867,000 22,264,000 18,549,000 15,204,000 
      income from operations
    		-5,093,000 -2,463,000 -5,383,000 -7,004,000 -7,480,000 -5,494,000 -7,633,000 -10,078,000 -12,043,000 -12,506,000 -11,169,000 -11,963,000 -11,293,000 -11,294,000 -13,566,000 -17,881,000 -16,868,000 -13,931,000 -13,199,000 -12,965,000 -11,575,000 -7,871,000 -8,675,000 -10,139,000 -11,882,000 -8,485,000 -10,581,000 -8,138,000 -8,799,000 -4,307,000 -3,044,000 
      yoy
    		-31.91% -55.17% -29.48% -30.50% -37.89% -56.07% -31.66% -15.76% 6.64% 10.73% -17.67% -33.10% -33.05% -18.93% 2.78% 37.92% 45.73% 76.99% 52.15% 27.87% -2.58% -7.24% -18.01% 24.59% 35.04% 97.00% 247.60%     
      qoq
    		106.78% -54.24% -23.14% -6.36% 36.15% -28.02% -24.26% -16.32% -3.70% 11.97% -6.64% 5.93% -0.01% -16.75% -24.13% 6.01% 21.08% 5.55% 1.80% 12.01% 47.06% -9.27% -14.44% -14.67% 40.04% -19.81% 30.02% -7.51% 104.30% 41.49%  
      operating margin %
    		-9.68% -4.37% -11.06% -14.40% -15.82% -11.21% -18.92% -25.21% -31.80% -32.18% -32.84% -35.92% -34.53% -35.35% -51.32% -69.89% -75.17% -55.22% -59.23% -58.42% -56.62% -35.54% -42.58% -72.17% -70.64% -42.83% -65.39% -49.87% -58.70% -27.57% -22.75% 
      interest and other income, net:
    		                               
      interest income
    		1,350,000 1,447,000 1,515,000 1,520,000 1,592,000 1,784,000 1,936,000 2,015,000 2,113,000 2,227,000 2,174,000 1,582,000 932,000 749,000 346,000 136,000 73,000 35,000 44,000 46,000 61,000 78,000 192,000 329,000 498,000 500,000 612,000 695,000 744,000 570,000 69,000 
      interest expense
    		-592,000 -630,000 -670,000 -666,000 -662,000 -793,000 -884,000 -880,000 -881,000 -889,000 -884,000 -850,000 -838,000 -881,000 -755,000 -622,000 -561,000 -568,000 -2,658,000 -1,075,000 -1,064,000 -1,085,000 -1,102,000 -2,683,000 -1,231,000 -1,243,000 -1,243,000 -1,233,000 -1,230,000 -1,282,000 -1,282,000 
      other income
    		1,000 2,000 -28,000 -2,000 8,000 8,000 6,000 4,000 -93,000   25,000 74,000 251,000 -183,000 -146,000 -54,000 -13,000 -59,000 13,000 336,000 -6,250 111,000 21,000      -294,000 -535,000 
      net income
    		-4,334,000 -1,644,000 -4,566,000 -6,152,000 -6,542,000 -4,495,000 -6,575,000 -8,939,000 -10,904,000 -10,983,000 -10,022,000 -11,206,000 -11,125,000 -11,175,000 -14,158,000 -18,513,000 -17,410,000 -14,477,000 -15,872,000 -13,981,000 -12,242,000 -8,979,000 -9,474,000 -12,472,000 -12,772,000 -9,098,000 -11,306,000 -8,654,000 -9,345,000 -5,313,000 -4,792,000 
      yoy
    		-33.75% -63.43% -30.56% -31.18% -40.00% -59.07% -34.39% -20.23% -1.99% -1.72% -29.21% -39.47% -36.10% -22.81% -10.80% 32.42% 42.22% 61.23% 67.53% 12.10% -4.15% -1.31% -16.20% 44.12% 36.67% 71.24% 135.93%     
      qoq
    		163.63% -63.99% -25.78% -5.96% 45.54% -31.63% -26.45% -18.02% -0.72% 9.59% -10.57% 0.73% -0.45% -21.07% -23.52% 6.34% 20.26% -8.79% 13.53% 14.21% 36.34% -5.22% -24.04% -2.35% 40.38% -19.53% 30.64% -7.39% 75.89% 10.87%  
      net income margin %
    		-8.24% -2.92% -9.38% -12.65% -13.83% -9.17% -16.30% -22.36% -28.80% -28.26% -29.46% -33.65% -34.01% -34.97% -53.56% -72.36% -77.59% -57.38% -71.22% -62.99% -59.89% -40.55% -46.50% -88.78% -75.93% -45.92% -69.87% -53.04% -62.34% -34.01% -35.81% 
      other comprehensive income:
    		                               
      changes in foreign currency translation
    		-160,000 14,000 19,000 369,000 157,000 -254,000 139,000 -31,000 29,000 -97,000 53,000 3,000 -22,000 -66,000 25,000 -14,000  -38,000 -23,000 35,000 -115,000 142,000 -33,000 -2,000 12,000 -8,000 -4,000 12,000 -19,000 -2,000 -4,000 
      unrealized loss on marketable securities
    		-155,000   -29,000 -81,000                           
      comprehensive loss
    		-4,649,000 -1,600,000 -4,454,000 -5,812,000 -6,466,000 -4,833,000 -6,220,000 -8,978,000 -10,973,000 -11,004,000 -9,964,000 -11,208,000 -11,057,000 -11,100,000 -14,033,000 -18,585,000 -17,658,000 -14,551,000 -15,906,000 -13,951,000 -12,336,000 -8,885,000 -9,654,000 -12,559,000 -12,539,000 -9,109,000 -11,347,000 -8,583,000 -9,339,000 -5,305,000 -4,796,000 
      net income per share
    		-0.1 -0.04 -0.11 -0.14 -0.15 -0.11 -0.16 -0.22 -0.27 -0.27 -0.25 -0.3 -0.32 -0.32 -0.41 -0.54 -0.52 -0.43 -0.48 -0.42 -0.37 -0.27 -0.33 -0.44 -0.47 -0.36 -0.46 -0.35 -0.38 1.14 -1.29 
      weighted-average number of common shares used to compute basic and diluted net loss per share
    		43,959,760 42,959,856 43,188,524 42,788,123 42,337,481 41,466,564 41,717,505 41,317,627 40,934,392 38,427,419 40,265,520 37,864,185 34,916,106 34,201,824 34,356,850 34,052,692 33,792,326 33,145,930 33,340,093 32,978,914 32,691,578 29,059,171 28,713,418 28,492,582 27,252,409 24,705,980 24,803,452 24,577,938 24,390,648 7,950,284 3,712,876 
      unrealized gain on marketable securities
    		 -4,250 93,000   27,500 216,000 -8,000 -98,000 22,500 5,000 -5,000 90,000 -51,500 100,000 -58,000 -248,000 1,250 -11,000 -5,000 21,000 -2,750 -147,000 -85,000 221,000 11,750 -37,000 59,000 25,000   
      other expense
    		         -11,000 -143,000              -157,000 130,000 -94,000 22,000 -60,000   
    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 2019-03-31 2018-12-31 2018-09-30 
                                     
        assets
      		                               
        current assets:
      		                               
        cash and cash equivalents
      		33,535,000 42,240,000 26,487,000 34,150,000 41,187,000 34,948,000 30,225,000 25,577,000 32,040,000 33,271,000 53,492,000 110,815,000 22,969,000 20,717,000 26,299,000 24,319,000 27,329,000 63,419,000 59,863,000 48,125,000 37,364,000 53,581,000 55,996,000 66,169,000 67,568,000 10,435,000 12,614,000 11,496,000 12,561,000 25,120,000 14,004,000 
        short-term investments
      		111,148,000 105,583,000 119,257,000 111,394,000 103,227,000 115,094,000 120,593,000 125,950,000 125,782,000 132,748,000 113,261,000 58,615,000 62,997,000 76,573,000 77,785,000 90,095,000 103,402,000 83,560,000 100,988,000 128,508,000 147,687,000 142,851,000 76,024,000 71,499,000 77,373,000 81,345,000 83,609,000 91,780,000 102,748,000 97,103,000  
        accounts receivable
      		30,961,000 29,915,000 26,534,000 24,371,000 26,705,000 27,459,000 24,909,000 24,796,000 22,109,000 21,953,000 19,988,000 20,422,000 22,600,000 20,674,000 16,453,000 15,118,000 12,682,000 14,246,000 12,617,000 11,894,000 13,088,000 13,611,000 11,417,000 10,260,000 9,361,000 11,720,000 9,918,000 9,404,000 8,411,000 8,486,000 7,092,000 
        inventory
      		35,534,000 33,897,000 35,727,000 34,245,000 30,379,000 27,074,000 25,518,000 23,233,000 21,049,000 20,249,000 22,335,000 20,547,000 17,790,000 17,282,000 16,852,000 16,484,000 14,705,000 11,498,000 10,246,000 8,151,000 7,408,000 5,633,000 5,071,000 4,969,000 5,726,000 5,452,000 4,953,000 4,436,000 3,516,000 3,343,000 3,028,000 
        prepaid expenses and other current assets
      		3,542,000 4,480,000 2,779,000 3,289,000 2,704,000 3,204,000 2,454,000 2,777,000 2,647,000 3,173,000 1,943,000 2,135,000 2,045,000 2,365,000 1,791,000 2,325,000 3,143,000 3,143,000 1,934,000 2,434,000 2,563,000 2,565,000 1,014,000 1,632,000 1,936,000 2,510,000 1,619,000 1,902,000 2,161,000 1,990,000 737,000 
        total current assets
      		214,720,000 216,115,000 210,784,000 207,449,000 204,202,000 207,779,000 203,699,000 202,333,000 203,627,000 211,394,000 211,019,000 212,534,000 128,401,000 137,611,000 139,180,000 148,341,000 161,261,000 175,866,000 185,648,000 199,112,000 208,110,000 218,241,000 149,522,000 154,529,000 161,964,000 111,462,000 112,713,000 119,018,000 129,397,000 136,042,000 24,861,000 
        property and equipment
      		20,455,000 21,298,000 21,928,000 21,701,000 21,074,000 20,374,000 20,748,000 19,108,000 17,348,000 16,000,000 16,487,000 17,579,000 16,629,000 15,564,000 14,449,000 12,810,000 10,276,000 8,992,000 7,913,000 7,868,000 7,285,000 4,527,000 4,479,000 4,407,000 4,269,000 3,954,000 3,025,000 2,532,000 2,336,000 2,154,000 2,048,000 
        operating lease right-of-use assets
      		7,326,000 1,087,000 1,255,000 1,465,000 1,702,000 1,984,000 2,225,000 2,079,000 2,415,000 2,706,000 3,034,000 3,372,000 3,672,000 4,002,000 4,251,000 4,611,000 4,917,000 5,248,000              
        other non-current assets
      		217,000 55,000 306,000 306,000 302,000 300,000 326,000 323,000 323,000 325,000 338,000 340,000 374,000 375,000 385,000 385,000 395,000 400,000 405,000 352,000 366,000 374,000 314,000 312,000 312,000 315,000 305,000 310,000 321,000 325,000 1,486,000 
        total assets
      		242,718,000 238,555,000 234,273,000 230,921,000 227,280,000 230,437,000 226,998,000 223,843,000 223,713,000 230,425,000 230,878,000 233,825,000 149,076,000 157,552,000 158,265,000 166,147,000 176,849,000 190,506,000 193,966,000 207,332,000 215,761,000 223,142,000 154,315,000 159,248,000 167,819,000 117,009,000 121,316,000 127,122,000 132,054,000 138,521,000 28,395,000 
        liabilities and stockholders’ equity
      		                               
        current liabilities:
      		                               
        accounts payable
      		6,761,000 4,631,000 7,724,000 7,495,000 7,705,000 6,488,000 7,318,000 7,180,000 7,661,000 4,588,000 4,420,000 6,157,000 5,331,000 6,279,000 4,613,000 5,141,000 4,998,000 3,198,000 4,139,000 3,918,000 5,183,000 3,271,000 3,102,000 2,455,000 2,577,000 2,811,000 2,623,000 2,450,000 2,811,000 2,146,000 1,790,000 
        accrued liabilities and other
      		14,068,000 19,704,000 17,587,000 16,149,000 15,157,000 19,492,000 16,156,000 13,496,000 11,767,000 17,452,000 13,549,000 10,642,000 9,896,000 13,511,000 11,156,000 10,189,000 9,169,000 12,353,000 10,425,000 8,706,000 8,525,000 10,199,000 8,719,000 9,272,000 9,284,000 11,605,000 10,211,000 7,469,000 7,097,000 6,860,000 7,152,000 
        operating lease liabilities, current portion
      		658,000 944,000 1,131,000 1,106,000 1,090,000 1,152,000 1,210,000 1,384,000 1,433,000 1,416,000 1,403,000 1,403,000 1,401,000 1,388,000 1,337,000 1,342,000 1,286,000 1,339,000              
        total current liabilities
      		21,487,000 25,279,000 26,442,000 24,750,000 23,952,000 27,132,000 24,684,000 22,060,000 20,861,000 23,456,000 19,372,000 18,202,000 16,628,000 21,178,000 18,564,000 16,672,000 15,453,000 16,890,000 14,564,000 12,624,000 13,708,000 13,470,000 11,821,000 11,727,000 20,592,000 18,774,000 12,834,000 9,919,000 9,908,000 9,006,000 8,942,000 
        long-term borrowings
      		35,599,000 35,569,000 35,540,000 35,510,000 35,481,000 35,452,000 36,192,000 36,149,000 36,107,000 36,065,000 36,022,000 35,980,000 35,938,000 35,171,000 33,667,000 35,075,000 35,024,000 34,973,000 34,922,000 39,630,000 39,543,000 39,455,000 39,368,000 39,264,000 30,557,000 34,865,000 39,158,000 39,093,000 39,028,000 38,963,000 38,899,000 
        operating lease liabilities, net of current portion
      		6,690,000 175,000 165,000 318,000 583,000 879,000 1,135,000 887,000 1,192,000 1,511,000 1,865,000 2,212,000 2,525,000 2,871,000 3,175,000 3,529,000 3,889,000 4,166,000              
        total liabilities
      		63,776,000 61,023,000 62,147,000 60,578,000 60,016,000 63,473,000 62,024,000 59,110,000 58,176,000 61,050,000 57,278,000 56,418,000 55,117,000 59,250,000 55,437,000 55,314,000 54,411,000 56,086,000 50,348,000 53,134,000 54,094,000 53,779,000 52,284,000 51,380,000 51,549,000 54,001,000 52,355,000 49,375,000 49,299,000 48,329,000 49,276,000 
        commitments and contingencies
      		                               
        stockholders’ equity
      		                               
        preferred stock, 0.0001 par value...
      		                               
        common stock, 0.0001 par value...
      		4,000 4,000 4,000 4,000 4,000 4,000 4,000 4,000 4,000 4,000 4,000 4,000 3,000 3,000 3,000 3,000 3,000 3,000 3,000 3,000 3,000 3,000 3,000 3,000 3,000 3,000 3,000 3,000 3,000 3,000 1,000 
        additional paid-in capital
      		633,029,000 626,970,000 619,964,000 613,727,000 604,836,000 598,070,000 591,247,000 584,786,000 576,612,000 569,477,000 562,698,000 556,541,000 461,886,000 455,172,000 448,598,000 442,570,000 435,590,000 429,914,000 424,561,000 419,235,000 412,753,000 408,113,000 331,896,000 328,079,000 323,922,000 258,121,000 254,965,000 252,404,000 248,829,000 246,927,000 12,003,000 
        accumulated other comprehensive income
      		501,000 816,000 772,000 660,000 320,000 244,000 582,000 227,000 266,000 335,000 356,000 298,000 300,000 232,000 157,000 32,000 104,000 352,000 426,000 460,000 430,000 524,000 430,000 610,000 697,000 464,000 475,000 516,000 445,000 439,000 431,000 
        accumulated deficit
      		-454,592,000 -450,258,000 -448,614,000 -444,048,000 -437,896,000 -431,354,000 -426,859,000 -420,284,000 -411,345,000 -400,441,000 -389,458,000 -379,436,000 -368,230,000 -357,105,000 -345,930,000 -331,772,000 -313,259,000 -295,849,000 -281,372,000 -265,500,000 -251,519,000 -239,277,000 -230,298,000 -220,824,000 -208,352,000 -195,580,000 -186,482,000 -175,176,000 -166,522,000 -157,177,000 -151,864,000 
        total stockholders’ equity
      		178,942,000 177,532,000 172,126,000 170,343,000 167,264,000 166,964,000 164,974,000 164,733,000 165,537,000 169,375,000 173,600,000 177,407,000 93,959,000 98,302,000 102,828,000 110,833,000 122,438,000 134,420,000 143,618,000 154,198,000 161,667,000 169,363,000 102,031,000 107,868,000 116,270,000 63,008,000 68,961,000 77,747,000 82,755,000 90,192,000  
        total liabilities and stockholders’ equity
      		242,718,000 238,555,000 234,273,000 230,921,000 227,280,000 230,437,000 226,998,000 223,843,000 223,713,000 230,425,000 230,878,000 233,825,000 149,076,000 157,552,000 158,265,000 166,147,000 176,849,000 190,506,000 193,966,000 207,332,000 215,761,000 223,142,000 154,315,000 159,248,000 167,819,000 117,009,000 121,316,000 127,122,000 132,054,000   
        current assets
      		                               
        current liabilities
      		                               
        other long-term liabilities
      		     10,000 13,000 14,000 16,000 18,000 19,000 24,000 26,000 30,000 31,000 38,000 45,000 57,000 862,000 880,000 843,000 854,000 1,095,000 389,000 400,000 362,000 363,000 363,000 363,000 360,000 332,000 
        current portion of long-term borrowings
      		              1,458,000          8,731,000 4,358,000      
        long-term investments
      		                        1,274,000 1,278,000 5,273,000 5,262,000    
        liabilities, redeemable convertible preferred stock and stockholders’ equity
      		                               
        redeemable convertible preferred stock
      		                              1,103,000 
        redeemable convertible preferred stock, 0.0001 par value...
      		                               
        authorized: 0 and 12,104,749 shares at december 30, 2018 and december 31, 2017; issued and outstanding: 0 and 11,871,578 shares at december 30, 2018 and december 31, 2017; (liquidation preference of 0 and 119,194 at december 30, 2018 and december 31, 2017).
      		                               
        total liabilities, redeemable convertible preferred stock and stockholders’ equity
      		                             138,521,000  
        liabilities, redeemable convertible preferred stock and stockholders’ deficit
      		                               
        authorized: 12,104,749 shares at september 30, 2018 and december 31, 2017; issued and outstanding: 11,871,578 shares at september 30, 2018 and december 31, 2017; (liquidation preference of 119,194 at september 30, 2018 and december 31, 2017.
      		                              118,548,000 
        stockholders’ deficit
      		                               
        total stockholders’ deficit
      		                              -139,429,000 
        total liabilities, redeemable convertible preferred stock and stockholders’ deficit
      		                              28,395,000 
      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 2019-06-30 2019-03-31 2018-12-31 
                                      
          cash flows from operating activities
        		                              
          net loss
        		-4,334,000 -1,644,000   -6,542,000 -4,495,000 -6,575,000 -8,939,000 -10,904,000 -10,983,000 -10,022,000 -11,206,000 -11,125,000  -14,158,000 -18,513,000 -17,410,000 -14,477,000 -15,872,000 -13,981,000 -12,242,000 -8,979,000 -9,474,000 -12,472,000 -12,772,000 -9,098,000 -11,306,000 -8,654,000 -9,345,000 -5,313,000 
          adjustments to reconcile net loss to net cash from operating activities:
        		                              
          stock-based compensation
        		6,025,000 5,977,000 6,226,000 6,658,000 6,663,000 6,135,000 6,306,000 6,398,000 7,030,000 5,937,000 5,928,000 5,998,000 6,194,000 5,881,000 5,922,000 5,751,000 5,507,000 4,338,000 4,241,000 4,257,000 4,030,000 3,170,000 3,180,000 2,955,000 2,622,000 1,868,000 1,911,000 1,814,000 1,871,000 1,231,000 
          depreciation and amortization
        		1,617,000 1,638,000 1,486,000 1,368,000 1,278,000 1,213,000 1,085,000 992,000 1,089,000 1,573,000 1,533,000 1,236,000 1,086,000 1,002,000 945,000 792,000 713,000 650,000 591,000 505,000 340,000 344,000 281,000 256,000 249,000 204,000 175,000 202,000 193,000 186,000 
          accounts receivable credit losses
        		90,000 33,000 62,000 384,000 91,000 142,000 88,000 158,000 82,000 409,000 249,000 53,000 50,000 100,000                 
          amortization of discount and premium on marketable securities
        		-564,000 -611,000 -700,000 -824,000 -916,000  -1,235,000 -1,458,000 -1,561,000                      
          inventory reserve
        		388,000 213,000 549,000 841,000 394,000 682,000 252,000                        
          amortization of debt issuance costs
        		29,000 29,000 29,000 30,000 29,000 26,000 42,000 43,000 42,000 43,000 42,000 42,000 81,000 46,000 51,000 50,000 51,000 54,000 59,000 87,000 88,000 88,000 104,000 35,000 65,000 65,000     
          loss on disposal of property and equipment
        		332,000 185,000 814,000 341,000 287,000 627,000 431,000 431,000 388,000 361,000 601,000 150,000 190,000                  
          changes in operating assets and liabilities:
        		                              
          accounts receivable
        		-1,142,000 -3,391,000 -2,234,000 2,046,000 552,000 -2,536,000 -282,000 -2,826,000 -196,000 -2,466,000 256,000 2,107,000 -2,019,000 -4,478,000 -1,281,000 -2,323,000 1,603,000 -1,629,000 -686,000 1,165,000 581,000 -2,249,000 -1,224,000 -920,000 2,207,000 -1,853,000 -467,000 -1,003,000 87,000 -1,380,000 
          inventory
        		-2,038,000 1,650,000 -2,042,000 -4,525,000 -3,767,000 -2,125,000 -2,608,000 -2,542,000 -772,000 320,000 -1,746,000 -2,757,000 -536,000 -531,000 -296,000 -1,704,000 -3,178,000 -1,239,000 -2,063,000 -757,000 -1,725,000 -611,000 -163,000 756,000 -256,000 -530,000 -483,000 -927,000 -165,000 -301,000 
          prepaid expenses and other assets
        		777,000 -1,449,000 512,000 -587,000 494,000 -720,000 319,000 -125,000 524,000 -1,222,000 198,000 -49,000 311,000 -591,000 550,000 839,000 12,000 -1,204,000 453,000 137,000 20,000 -1,625,000 614,000 294,000 581,000 -909,000 292,000 269,000 -167,000 -1,247,000 
          accounts payable
        		2,098,000 -3,008,000 662,000 -369,000 952,000 104,000 -71,000 -543,000 2,371,000 -242,000 -869,000 738,000 -745,000 1,053,000 540,000 -1,150,000 2,086,000 -957,000 -129,000 -505,000 1,059,000 419,000 706,000 -366,000 76,000 -143,000 188,000 -113,000 451,000 1,135,000 
          accrued liabilities and other
        		-5,640,000 2,106,000 1,537,000 962,000 -4,426,000 3,311,000 2,550,000 1,711,000 -5,664,000 3,856,000 2,925,000 732,000 -3,625,000 2,294,000 1,012,000 1,072,000 -3,171,000 1,403,000 1,735,000 530,000 -1,945,000 1,306,000 217,000 5,000 -2,294,000 1,469,000 2,800,000 411,000 314,000 -584,000 
          net cash from operating activities
        		-2,362,000 1,728,000 2,335,000 173,000 -4,911,000 1,178,000 302,000 -6,334,000 -7,571,000 -2,297,000 -2,073,000 -3,590,000 -10,753,000 -6,775,000 -6,527,000 -14,841,000 -13,512,000 -12,714,000 -9,309,000 -8,151,000 -9,359,000 -7,882,000 -5,552,000 -7,873,000 -9,355,000 -9,033,000 -7,120,000 -8,396,000 -7,078,000 -6,317,000 
          capital expenditures
        		-552,000 -1,386,000 -3,379,000 -1,897,000 -1,257,000 -3,123,000 -2,884,000 -3,048,000 -854,000 -712,000 -1,803,000 -3,091,000 -1,692,000 -1,138,000 -4,572,000 -649,000 -2,033,000 -1,740,000 -55,000 -3,304,000 -781,000 -1,047,000 -369,000 -380,000 -832,000 -462,000 -772,000 -564,000 -272,000 -165,000 
          free cash flows
        		-2,914,000 342,000 -1,044,000 -1,724,000 -6,168,000 -1,945,000 -2,582,000 -9,382,000 -8,425,000 -3,009,000 -3,876,000 -6,681,000 -12,445,000 -7,913,000 -11,099,000 -15,490,000 -15,545,000 -14,454,000 -9,364,000 -11,455,000 -10,140,000 -8,929,000 -5,921,000 -8,253,000 -10,187,000 -9,495,000 -7,892,000 -8,960,000 -7,350,000 -6,482,000 
          cash flows from investing activities
        		                              
          maturities of marketable securities
        		46,130,000 49,000,000 52,000,000 44,100,000 60,000,000 42,000,000 67,500,000 52,000,000 67,000,000 44,000,000 24,500,000 39,000,000 30,000,000 36,000,000 42,200,000 23,000,000 25,000,000 52,496,000 50,517,000 23,777,000 33,200,000 41,516,000 29,700,000 12,500,000 21,000,000 42,700,000 33,500,000    
          purchases of marketable securities
        		-51,285,000 -34,686,000 -59,070,000 -51,472,000 -47,298,000 -35,397,000 -60,695,000 -50,717,000 -58,571,000 -61,819,000 -77,957,000 -34,005,000 -15,718,000 -34,251,000 -29,901,000 -10,022,000 -45,334,000 -35,343,000 -23,341,000 -4,991,000 -38,346,000 -110,021,000 -34,377,000 -17,991,000 -16,777,000 -36,319,000 -25,029,000    
          purchases of property and equipment
        		-1,077,000 -1,288,000 -2,955,000 -2,099,000 -2,072,000 -2,266,000 -3,036,000 -3,113,000 -2,082,000 -1,093,000 -1,413,000 -2,714,000 -2,579,000 -1,660,000 -3,572,000 -2,001,000 -2,274,000 -1,775,000 -423,000 -2,215,000 -1,976,000 -817,000 -480,000 -380,000 -884,000 -806,000 -746,000 -481,000 -412,000  
          net cash from investing activities
        		-6,232,000 13,026,000 -10,025,000   4,337,000 3,769,000 -1,830,000 6,347,000 -18,912,000 -54,870,000 2,281,000 11,703,000 89,000 8,727,000 10,977,000 -22,608,000 15,378,000 26,753,000 16,571,000 -7,122,000 -67,819,000 -5,157,000 6,721,000 3,339,000 5,575,000 7,725,000 5,744,000 -5,553,000 -97,048,000 
          cash flows from financing activities
        		                              
          proceeds from the exercise of stock options
        		34,000  11,000 665,000 103,000  155,000 304,000 105,000  229,000 3,515,000 520,000  106,000 30,000 169,000  1,076,000 650,000 601,000  628,000 185,000 174,000  611,000 442,000 125,000  
          net cash from financing activities
        		34,000  11,000 2,233,000 103,000  155,000 1,776,000 105,000  -237,000 89,123,000 1,205,000 693,000 106,000 1,229,000 169,000 1,015,000 -5,543,000 2,216,000 601,000 73,038,000 467,000 -256,000 63,152,000 1,252,000 573,000 1,538,000 125,000 114,523,000 
          effect of exchange rate changes on cash and cash equivalents
        		-145,000 -30,000 16,000 28,000 417,000 -714,000 422,000 -75,000 -112,000 146,000 -143,000 32,000 97,000 411,000 -326,000 -375,000 -139,000 -123,000 -163,000 125,000 -337,000 248,000 69,000 9,000 -3,000 27,000 -60,000 49,000 -53,000 -42,000 
          net increase in cash and cash equivalents
        		-8,705,000    6,239,000 4,723,000 4,648,000 -6,463,000 -1,231,000 -20,221,000 -57,323,000 87,846,000 2,252,000 -5,582,000    3,556,000 11,738,000 10,761,000 -16,217,000 -2,415,000 -10,173,000        
          cash and cash equivalents at
        		                              
          beginning of period
        		42,240,000  0 0 34,948,000  0 0 33,271,000  0 0 20,717,000  0 0 63,419,000  0 0 53,581,000  0 0 10,435,000  0 0 25,120,000 0 
          end of period
        		33,535,000  -7,663,000 -7,037,000 41,187,000  4,648,000 -6,463,000 32,040,000  -57,323,000 87,846,000 22,969,000  1,980,000 -3,010,000 27,329,000  11,738,000 10,761,000 37,364,000  -10,173,000 -1,399,000 67,568,000  1,118,000 -1,065,000 12,561,000 11,116,000 
          supplemental disclosure of non-cash information
        		                              
          unpaid purchases of property and equipment
        		525,000 -98,000 -424,000 202,000 815,000 -857,000 152,000 65,000 1,228,000 381,000 -390,000 -377,000 887,000 522,000 -1,000,000 1,352,000 241,000 35,000 368,000 -1,089,000 1,195,000 -230,000 111,000        
          right-of-use asset obtained in exchange for a lease liability
        		6,579,000                              
          adjustments to reconcile net loss to net cash from operating activities
        		                              
          changes in operating assets and liabilities
        		                              
          proceeds from follow-on public offering, net of underwriting discounts, commissions and offering costs
        		                     71,638,000 0 0 62,978,000      
          proceeds from debt financing, net of debt issuance cost
        		                              
          repayments of debt financing
        		         0 0 0 -35,275,000     0             
          final payment fee related to debt
        		                              
          proceeds from the exercise of common stock options
        		                             699,000 
          proceeds from issuance of common stock under employee stock purchase plan
        		 639,000 0   682,000 0   720,000 0   619,000 0   777,000 0   924,000 0   940,000 0    
          net cash provided by financing activities
        		                              
          beginning of year
        		                              
          end of year
        		                              
          supplemental disclosure of cash flow information
        		                              
          cash paid for interest
        		                             2,353,000 
          noncash investing and financing activities
        		                              
          operating lease right-of-use assets obtained in exchange for operating lease liabilities
        		                              
          net decrease in cash and cash equivalents
        		  -7,663,000             -3,010,000 -36,090,000        57,133,000  1,118,000 -1,065,000 -12,559,000 11,116,000 
          net income
        		                              
          adjustments to reconcile net income to net cash from operating activities:
        		                              
          net cash provided by investing activities
        		    10,630,000                          
          accretion (amortization) of discount and premium on marketable securities
        		         -1,592,000 -1,168,000                    
          proceeds from debt financing
        		         0 0 0 36,000,000     0    0 0        
          payments of debt issuance costs
        		         0 0 0 -40,000     0    0 -161,000        
          proceeds from public offering, net of discounts, commissions and offering costs
        		                              
          public offering costs included in accounts payable
        		                            167,000  
          proceeds from public offering, net of discounts and commissions
        		                              
          unpaid public offering costs
        		                              
          accretion (amortization) of discount on marketable securities
        		            -615,000      335,000            
          adjustments to reconcile net income to net cash from operating activities
        		                              
          accretion of discount on marketable securities
        		             -396,000 110,000 271,000 244,000              
          loss on extinguishment of debt
        		                 0    0 0        
          loss on sale and disposal of property and equipment
        		             20,000 28,000 74,000 31,000 95,000 179,000 21,000 104,000 128,000 168,000   19,000 54,000 1,000 97,000  
          payments of prepayment penalty and lender fees
        		                 0    0 0        
          vesting of early exercised stock options
        		                 0 9,000 9,000 9,000 9,000 9,000 26,000 27,000 36,000 39,000 56,000 66,000  
          bad debt expense
        		                     -1,000 35,000        
          realized gain on marketable securities
        		                     -3,000 0        
          sales of marketable securities
        		                     1,503,000 0        
          principal repayments of debt financing
        		                     0 0        
          unpaid debt issuance costs
        		                              
          accretion on marketable securities
        		                    331,000  4,000 5,000 -25,000 -125,000 -348,000    
          repurchase of unvested early exercised stock options
        		                         0     
          payments of initial public offering costs
        		                              
          payments of additional initial public offering related costs
        		                              
          bad debts expense
        		                        192,000      
          purchases of property and equipment included in accounts payable and accrued liabilities
        		                        52,000 344,000 -26,000 -83,000 140,000  
          change in fair value of redeemable convertible preferred stock warrants
        		                             145,000 
          proceeds from initial public offering, net of underwriting discounts and commissions
        		                              
          payments of public offering costs
        		                         0 0   -1,609,000 
          conversion of redeemable convertible preferred stock to common stock
        		                              
          conversion of preferred stock warrants to common stock warrants
        		                              
          amortization of debt discount
        		                           65,000 65,000 65,000 
          short-term investment accretion
        		                            -479,000  
          purchases of short-term investments
        		                            -22,741,000  
          maturities of short-term investments
        		                            17,600,000  
          change in allowance for doubtful accounts
        		                             -2,000 
          loss on write-off of property and equipment
        		                             -43,000 
          write-off of debt discount
        		                              
          write-off of public offering costs
        		                              
          forgiveness of notes receivable
        		                              
          short-term investments accretion
        		                              
          purchase of property and equipment
        		                             -165,000 
          purchase of short-term investments
        		                              
          repurchase of common stock
        		                              
          repayment of stockholders’ notes receivable
        		                              
          repayment of debt financing
        		                              
          extinguishment of debt financing
        		                              
          payment of debt issuance costs
        		                              
          proceeds from the issuance of redeemable convertible preferred stock
        		                              
          supplemental disclosure of noncash information
        		                              
          public offering costs included in accounts payable and accrued liabilities