7Baggers

NeuroPace Inc
(NASDAQ:NPCE) 

NPCE stock logo

Based in Mountain View, Calif., NeuroPace is a commercial-stage medical device company focused on transforming the lives of people suffering from epilepsy by reducing or eliminating the occurrence of debilitating seizures. Its novel and differentiated RNS System is the first and only commercially av...

Founded: 1997
Sector: Manufacturing
Industry: Surgical and Medical Instrument Manufacturing

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At a glance:
Bull Thesis:
Bear Thesis:
Main Competitors:
Moat:
Income Statements:
Quarterly
Annual
    Unit: USD2026-03-31 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 
                        
      revenue
    22,068,000 27,354,000 23,520,000 22,524,000 21,466,000 21,060,000 19,256,000 18,124,000 18,012,000 16,427,000 16,510,000 14,472,000 12,789,000 11,157,000 10,200,000 11,374,000 10,997,000 10,339,000 12,630,000 11,217,000 
      yoy
    2.80% 29.89% 22.14% 24.28% 19.18% 28.20% 16.63% 25.23% 40.84% 47.23% 61.86% 27.24% 16.30% 7.91% -19.24% 1.40%     
      qoq
    -19.32% 16.30% 4.42% 4.93% 1.93% 9.37% 6.25% 0.62% 9.65% -0.50% 14.08% 13.16% 14.63% 9.38% -10.32% 3.43% 6.36% -18.14% 12.60%  
      cost of goods sold
    4,020,000 6,186,000 5,388,000 5,182,000 5,278,000 5,640,000 5,122,000 4,781,000 4,467,000 4,194,000 4,538,000 4,100,000 3,986,000 3,192,000 2,734,000 3,115,000 2,921,000 2,832,000 3,271,000 2,724,000 
      gross profit
    18,048,000 21,168,000 18,132,000 17,342,000 16,188,000 15,420,000 14,134,000 13,343,000 13,545,000 12,233,000 11,972,000 10,372,000 8,803,000 7,965,000 7,466,000 8,259,000 8,076,000 7,507,000 9,359,000 8,493,000 
      yoy
    11.49% 37.28% 28.29% 29.97% 19.51% 26.05% 18.06% 28.64% 53.87% 53.58% 60.35% 25.58% 9.00% 6.10% -20.23% -2.76%     
      qoq
    -14.74% 16.74% 4.56% 7.13% 4.98% 9.10% 5.93% -1.49% 10.73% 2.18% 15.43% 17.82% 10.52% 6.68% -9.60% 2.27% 7.58% -19.79% 10.20%  
      gross margin %
    81.78% 77.39% 77.09% 76.99% 75.41% 73.22% 73.40% 73.62% 75.20% 74.47% 72.51% 71.67% 68.83% 71.39% 73.20% 72.61% 73.44% 72.61% 74.10% 75.72% 
      operating expenses:
                        
      sales and marketing
    11,583,000 12,598,000 12,043,000                  
      research and development
    7,189,000 6,576,000 6,845,000 7,440,000 6,050,000 5,754,000 6,065,000 5,784,000 5,377,000 4,795,000 5,343,000 5,263,000 5,089,000 5,611,000 5,669,000 5,577,000 5,345,000 4,329,000 4,437,000 4,100,000 
      general and administrative
    4,844,000 4,594,000 6,068,000                  
      total operating expenses
    23,616,000 23,768,000 24,956,000 22,489,000 19,841,000 19,663,000 20,364,000 20,888,000 18,596,000 18,183,000 19,826,000 18,691,000 18,662,000 18,164,000 18,440,000 18,021,000 17,091,000 13,750,000 13,964,000 12,367,000 
      income from operations
    -5,568,000 -2,600,000 -6,824,000 -5,147,000 -3,653,000 -4,243,000 -6,230,000 -7,545,000 -5,051,000 -5,950,000 -7,854,000 -8,319,000 -9,859,000 -10,199,000 -10,974,000 -9,762,000 -9,015,000 -6,243,000 -4,605,000 -3,874,000 
      yoy
    52.42% -38.72% 9.53% -31.78% -27.68% -28.69% -20.68% -9.30% -48.77% -41.66% -28.43% -14.78% 9.36% 63.37% 138.31% 151.99%     
      qoq
    114.15% -61.90% 32.58% 40.90% -13.91% -31.89% -17.43% 49.38% -15.11% -24.24% -5.59% -15.62% -3.33% -7.06% 12.42% 8.29% 44.40% 35.57% 18.87%  
      operating margin %
    -25.23% -9.51% -29.01% -22.85% -17.02% -20.15% -32.35% -41.63% -28.04% -36.22% -47.57% -57.48% -77.09% -91.41% -107.59% -85.83% -81.98% -60.38% -36.46% -34.54% 
      interest income
    565,000 667,000 718,000 793,000 681,000 754,000 762,000 827,000 822,000 769,000 733,000 726,000 800,000 423,000 221,000 134,000     
      interest expense
    -1,521,000 -1,645,000 -2,059,000 -2,153,000 -2,192,000 -2,182,000 -2,166,000 -2,258,000 -2,236,000 -2,191,000 -2,125,000 -1,965,000 -1,941,000 -1,906,000 -1,852,000 -1,830,000 -1,862,000 -1,826,000 -1,873,000 -1,849,000 
      other income
    -165,000 82,000 -486,000 -82,000 -86,000 219,000 120,000 51,000 265,000 115,000 122,000 -817,000 -146,000 -103,000 -85,000 -3,000 -264,000 -14,000 -2,016,000 -3,087,000 
      net loss and comprehensive loss
    -6,689,000 -3,496,000 -8,651,000 -6,589,000 -5,250,000 -5,452,000 -7,514,000 -8,925,000             
      net income per share
    -0.2 -0.11 -0.26 -0.21 -0.17 -0.19 -0.26 -0.32 -0.22 -0.28 -0.36 -0.41 -0.44 -0.48 -0.52 -0.47 -0.36 -0.34 -0.48 -32.73 
      weighted-average shares used for eps calculation
    33,716,813 33,134,606 32,863,031 31,480,911 29,126,314 29,444,625 28,853,216 28,285,176 25,851,813 26,017,329 25,472,526 25,097,262 24,594,784 24,728,701 24,503,552 24,307,485 16,608,800 24,101,399 17,553,818 269,178 
      operating expenses
                        
      selling, general and administrative
       15,049,000 13,791,000 13,909,000 14,299,000 15,104,000 13,219,000 13,388,000 14,483,000 13,428,000 13,573,000 12,553,000 12,771,000 12,444,000 11,746,000 9,421,000 9,527,000 8,267,000 
      net income
            -6,200,000 -7,257,000 -9,124,000 -10,375,000 -11,146,000 -11,785,000 -12,690,000 -11,461,000 -10,693,000 -8,083,000 -8,494,000 -8,810,000 
      yoy
            -44.37% -38.42% -28.10% -9.48% 4.24% 45.80% 49.40% 30.09%     
      qoq
            -14.57% -20.46% -12.06% -6.92% -5.42% -7.13% 10.72% 7.18% 32.29% -4.84% -3.59%  
      net income margin %
    0% 0% 0% 0% 0% 0% 0% 0% -34.42% -44.18% -55.26% -71.69% -87.15% -105.63% -124.41% -100.76% -97.24% -78.18% -67.25% -78.54% 
      unrealized loss on available-for-sale debt securities
                  -469,000 -710,000   -22,000  
      comprehensive loss
            -6,200,000 -7,257,000 -9,124,000 -10,375,000 -10,920,000 -11,668,000 -13,159,000 -12,171,000 -10,998,000 -8,061,000 -8,516,000 -8,810,000 
      unrealized gain on available-for-sale debt securities
                -265,500 117,000    22,000   
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2026-03-31 2025-09-30 2025-06-30 2025-03-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-09-30 2022-06-30 2022-03-31 2021-09-30 2021-06-30 2021-03-31 
                       
        assets
                       
        current assets:
                       
        cash and cash equivalents
      14,779,000 20,648,000 22,857,000 27,019,000 15,418,000 12,844,000 12,998,000 18,058,000 9,717,000 7,855,000 6,720,000 5,688,000 5,702,000 7,489,000 26,633,000 31,247,000 13,841,000 
        short-term investments
      39,202,000 39,366,000 39,284,000 39,243,000 41,412,000 42,693,000 45,947,000 48,396,000 51,631,000 55,716,000 60,895,000 79,724,000 86,709,000 95,686,000 96,701,000 96,668,000 16,689,000 
        accounts receivable
      14,788,000 14,938,000 13,554,000 15,435,000 11,561,000 11,242,000 11,631,000 12,314,000 11,279,000 10,876,000 9,194,000 7,876,000 8,474,000 9,061,000 6,611,000 7,705,000 8,202,000 
        inventory
      16,694,000 18,135,000 16,346,000 13,580,000 12,084,000 11,363,000 11,416,000 11,214,000 9,759,000 10,014,000 10,750,000 8,581,000 8,419,000 8,103,000 7,162,000 6,965,000 7,042,000 
        prepaid expenses and other current assets
      1,515,000 2,243,000 1,701,000 2,201,000 2,116,000 2,084,000 2,262,000 2,737,000 1,588,000 2,050,000 2,597,000 2,501,000 3,160,000 2,081,000 3,383,000 3,814,000 1,314,000 
        total current assets
      86,978,000 95,330,000 93,742,000 97,478,000 82,591,000 80,226,000 84,254,000 92,719,000 83,974,000 86,511,000 90,156,000 104,370,000 112,464,000 122,420,000 140,490,000 146,399,000 47,088,000 
        property and equipment
      1,283,000 1,108,000 1,156,000 1,160,000 1,041,000 998,000 1,048,000 1,003,000 949,000 976,000 1,024,000 894,000 951,000 860,000 624,000 425,000 476,000 
        operating lease right-of-use asset
      9,679,000 10,575,000 11,007,000 11,430,000 12,246,000 12,641,000 13,027,000 13,405,000 13,774,000 14,136,000 14,491,000 15,067,000 4,986,000 5,559,000    
        restricted cash
      852,000 122,000 122,000 122,000 122,000 122,000 122,000 122,000 122,000 122,000 122,000 122,000 122,000 122,000 122,000 122,000 366,000 
        other assets
      106,000 120,000 87,000 15,000 15,000 15,000 15,000 15,000 15,000 21,000 21,000 21,000 21,000 21,000 21,000 23,000 23,000 
        total assets
      98,898,000 107,255,000 106,114,000 110,205,000 96,303,000 94,389,000 98,853,000 107,651,000 99,300,000 102,232,000 106,271,000 120,474,000 118,544,000 128,982,000 141,257,000 146,969,000 50,324,000 
        liabilities and stockholders’ equity
                       
        current liabilities:
                       
        accounts payable
      4,512,000 4,590,000 4,721,000 4,046,000 2,160,000 2,290,000 3,268,000 2,332,000 1,207,000 1,807,000 1,829,000 1,175,000 1,503,000 2,228,000 1,254,000 968,000 1,484,000 
        accrued liabilities
      9,344,000 12,317,000 9,740,000 8,058,000 10,072,000 7,745,000 7,290,000 11,180,000 10,036,000 8,182,000 6,580,000 7,550,000 6,962,000 6,961,000 7,420,000 6,642,000 5,734,000 
        operating lease liability
      2,186,000 2,051,000 1,986,000 1,923,000 1,800,000 1,741,000 1,683,000 1,627,000 1,572,000 1,519,000 1,466,000 692,000 2,936,000 2,868,000    
        deferred revenue
      126,000 649,000 696,000 680,000 749,000 809,000 869,000 1,090,000          
        total current liabilities
      16,168,000 19,607,000 17,143,000 14,707,000 14,781,000 12,585,000 13,110,000 16,229,000 12,815,000 11,508,000 9,875,000 9,417,000 11,401,000 12,057,000 8,674,000 7,610,000 10,808,000 
        long-term debt
      59,021,000 58,748,000 58,616,000 59,788,000 59,266,000 59,016,000 58,039,000 56,954,000 55,889,000 54,854,000 53,859,000 51,954,000 51,018,000 50,115,000 49,582,000 49,353,000 49,561,000 
        operating lease liability, net of current portion
      9,255,000 10,382,000 10,917,000 11,441,000 12,433,000 12,903,000 13,363,000 13,814,000 14,233,000 14,644,000 15,047,000 15,694,000 3,223,000 3,987,000    
        total liabilities
      84,444,000 88,737,000 86,676,000 85,936,000 86,480,000 84,504,000 84,512,000 86,997,000 82,937,000 81,006,000 78,781,000 77,065,000 65,642,000 66,159,000 59,545,000 58,303,000 65,338,000 
        commitments and contingencies
                       
        stockholders’ equity:
                       
        preferred stock, 0.001 par value...
                       
        common stock, 0.001 par value...
      34,000 33,000 33,000 33,000 30,000 29,000 29,000 28,000 26,000 26,000 25,000 25,000 25,000 24,000    
        additional paid-in capital
      573,524,000 568,171,000 565,595,000 561,775,000 535,493,000 530,104,000 527,046,000  513,946,000 511,552,000 508,693,000 504,425,000 502,250,000 499,013,000 494,733,000 493,626,000 240,032,000 
        accumulated deficit
      -559,104,000 -549,686,000 -546,190,000 -537,539,000 -525,700,000 -520,248,000 -512,734,000 -503,809,000 -497,609,000 -490,352,000 -481,228,000 -459,707,000 -447,922,000 -435,232,000 -413,078,000 -404,995,000 -396,501,000 
        total stockholders’ equity
      14,454,000 18,518,000 19,438,000 24,269,000 9,823,000 9,885,000 14,341,000 20,654,000 16,363,000 21,226,000 27,490,000 43,409,000 52,902,000 62,823,000 81,712,000   
        total liabilities and stockholders’ equity
      98,898,000 107,255,000 106,114,000 110,205,000 96,303,000 94,389,000 98,853,000 107,651,000 99,300,000 102,232,000 106,271,000 120,474,000 118,544,000 128,982,000    
        current assets
                       
        deferred offering costs
          288,000 387,000 387,000 387,000 466,000 466,000 457,000      2,371,000 
        current liabilities
                       
        stockholders’ equity
                       
        additional paid-in-capital
             524,435,000          
        accumulated other comprehensive loss
                 -1,334,000 -1,451,000 -982,000    
        deferred rent, noncurrent
                    1,041,000 1,092,000 1,204,000 
        short-term debt
                      3,590,000 
        redeemable convertible preferred stock
                      3,491,000 
        other liabilities
                    248,000 248,000 274,000 
        common stock
                    24,000 24,000  
        accumulated other comprehensive income
                    33,000 11,000 33,000 
        total liabilities, redeemable convertible preferred stock and stockholders’ equity
                    141,257,000   
        liabilities and stockholders’ deficit
                       
        stockholders’ deficit
                       
        total stockholders’ deficit
                     88,666,000 -156,436,000 
        total liabilities, redeemable convertible preferred stock and stockholders’ deficit
                     146,969,000 50,324,000 
                       
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2026-03-31 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 
                            
          cash flows from operating activities
                            
          net loss
        -6,689,000 -3,496,000 -8,651,000 -6,589,000  -5,452,000 -7,514,000 -8,925,000 -6,200,000 -7,257,000 -9,124,000 -10,375,000  -11,785,000 -12,690,000 -11,461,000  -8,083,000 -8,494,000 -8,810,000 
          adjustments to reconcile net loss to net cash from operating activities:
                            
          stock-based compensation expense
        2,278,000 2,628,000 3,228,000 2,626,000 2,603,000 2,591,000 2,548,000 2,540,000 2,357,000 2,421,000 2,655,000 2,125,000 2,076,000 2,182,000 2,603,000 1,488,000 1,876,000 1,107,000 1,103,000 202,000 
          depreciation
        60,000 54,000 55,000 49,000 48,000 56,000 58,000 45,000 40,000 36,000 48,000 48,000 54,000 60,000 73,000 80,000 79,000 75,000 68,000 74,000 
          amortization of debt discount and issuance costs
        68,000 70,000 55,000 49,000 49,000 47,000 54,000 78,000 76,000 74,000 69,000 64,000 66,000 64,000 61,000 67,000 67,000 58,000 73,000 69,000 
          non-cash interest expense
        77,000 73,000 177,000 213,000 211,000 203,000 224,000 316,000 300,000 281,000 260,000 234,000 238,000 225,000 210,000 201,000 198,000 170,000 221,000 217,000 
          amortization of right-of-use asset
        453,000 433,000 422,000 413,000 403,000 395,000 386,000 378,000 369,000 362,000 355,000 347,000 698,000 679,000 671,000 672,000     
          unrealized loss on short-term investments
        165,000                    
          inventory write-downs
        76,000 47,000 49,000 44,000 55,000 107,000 42,000 47,000 64,000 44,000 54,000 34,000 39,000 35,000 87,000 82,000 57,000 23,000 138,000 24,000 
          loss on disposal of property and equipment
         2,000                 
          changes in operating assets and liabilities:
                            
          accounts receivable
        -108,000 -1,383,000 1,881,000 -2,585,000 -1,290,000 -318,000 389,000 682,000 -1,052,000 -403,000 -1,682,000 -1,713,000 392,000 601,000 586,000 -1,970,000 -480,000 1,094,000 496,000 194,000 
          inventory
        125,000 -1,836,000 -2,815,000 -243,000 -1,352,000 -828,000 11,000 -249,000 -1,519,000 210,000 683,000 -1,072,000 -1,169,000 -198,000 -404,000 -362,000 -718,000 -220,000 -61,000 -157,000 
          prepaid expenses and other assets
        -77,000 -537,000 521,000 150,000 -237,000 -32,000 178,000 475,000 -1,149,000 469,000 547,000 514,000 -611,000 660,000 -1,080,000 239,000 1,063,000 433,000 -2,525,000 -135,000 
          accounts payable
        2,195,000 -48,000 737,000 966,000 773,000 -130,000 -922,000 950,000 1,055,000 -600,000 -22,000 -193,000 855,000 -301,000 -727,000 820,000 220,000 191,000 -468,000 536,000 
          accrued liabilities
        -3,995,000 2,650,000 2,213,000 -2,333,000 -284,000 2,328,000 454,000 -3,890,000 1,145,000 1,854,000 1,603,000 -834,000 -136,000 589,000 4,000 -472,000 423,000 775,000 1,615,000 -1,094,000 
          deferred revenue
        -15,000 -48,000 17,000 124,000 -193,000 -61,000 -60,000 -220,000             
          operating lease liabilities
        -513,000 -469,000 -461,000 -450,000 -420,000 -411,000 -402,000 -394,000 -365,000 -358,000 -349,000 -343,000 -534,000 -793,000 -777,000     
          net cash from operating activities
        -5,900,000 -1,944,000 -2,086,000 -7,482,000 -4,797,000 -1,724,000 -3,900,000 -7,528,000 -3,341,000 -2,302,000 -4,360,000 -9,698,000 -7,843,000 -6,975,000 -10,658,000 -11,393,000 -8,203,000 -4,424,000 -6,014,000 -5,936,000 
          capital expenditures
        -3,000 -30,000 -168,000 -37,000 -39,000 -100,000 -63,000 -49,000 -32,000 -9,000  -102,000 -31,000 -164,000 -275,000 -154,000 -178,000 -17,000 -35,000 
          free cash flows
        -5,903,000 -1,974,000 -2,254,000 -7,519,000 -4,836,000 -1,824,000 -3,963,000 -7,577,000 -3,373,000 -2,311,000 -4,360,000  -7,945,000 -7,006,000 -10,822,000 -11,668,000 -8,357,000 -4,602,000 -6,031,000 -5,971,000 
          cash flows from investing activities
                            
          acquisition of property and equipment
        -117,000 -30,000 -168,000 -37,000 -39,000 -100,000 -63,000 -104,000 -32,000 -9,000 -132,000 -102,000 -31,000 -164,000 -306,000 -154,000 -178,000 -17,000 -35,000 
          net cash from investing activities
        -117,000 -30,000 -168,000 -37,000 1,961,000 1,400,000 3,237,000 2,396,000 3,468,000 4,191,000 5,300,000 10,068,000 8,898,000 6,969,000 8,236,000 -306,000 -154,000 -190,000 -80,017,000 -5,035,000 
          cash flows from financing activities
                            
          proceeds from issuance of common stock in follow-on offering, net of underwriting discounts and commissions
         -50,000 -561,000 70,265,000                 
          repurchase of common stock from kck ltd.
                            
          proceeds from issuance of common stock under employee plans
        10,000 1,000 766,000 385,000 595,000 34,000 581,000 721,000 549,000 8,000 245,000 1,000 213,000       
          taxes withheld and paid related to net share settlement of equity awards
        -176,000 -53,000 -174,000 -228,000 -92,000 -68,000 -72,000 -649,000 -37,000 -35,000 -41,000 -146,000 -4,000 -8,000       
          proceeds from at-the-market offering, net of sales commission
         232,000 345,000                
          net cash from financing activities
        -166,000 -235,000 -1,908,000 21,108,000 848,000 2,898,000 509,000 72,000 8,214,000 -27,000 195,000 -255,000 -138,000 -8,000 635,000 1,000 911,000 103,193,000 -1,578,000 
          net increase in cash and cash equivalents
        -6,183,000 -2,209,000 -4,162,000 13,589,000 -1,988,000 2,574,000 -154,000 -5,060,000 8,341,000 1,862,000 1,135,000 115,000     -7,446,000 -4,614,000 17,162,000 -12,549,000 
          cash, cash equivalents and restricted cash at the beginning of the period
        21,814,000                    
          cash, cash equivalents and restricted cash at the end of the period
        15,631,000                    
          reconciliation of cash, cash equivalents and restricted cash to balance sheets:
                            
          cash and cash equivalents
        14,779,000 -2,209,000 -4,162,000 27,019,000 -1,988,000 2,574,000 -154,000 12,998,000 8,341,000 1,862,000 1,135,000 6,720,000 917,000 -14,000 -1,787,000 7,489,000  -4,614,000 17,406,000 13,841,000 
          restricted cash
        852,000 122,000 122,000 122,000 122,000  -244,000 366,000 
          cash, cash equivalents and restricted cash in balance sheets
        15,631,000 -2,209,000 -4,162,000 27,141,000  2,574,000 -154,000 13,120,000  1,862,000 1,135,000 6,842,000  -14,000 -1,787,000 7,611,000    14,207,000 
          supplemental disclosure of cash flow information:
                            
          cash paid for interest
        1,388,000   1,890,000 1,932,000 1,932,000 1,188,000 1,174,000 1,171,000 1,157,000 1,130,000 1,018,000    1,563,000    1,563,000 
          supplemental disclosures of non-cash investing and financing information:
                            
          follow-on offering costs included in accounts payable and accrued liabilities
                            
          deferred offering costs offset against additional paid-in capital
                            
          purchase of property and equipment included in accounts payable
        114,000       55,000        31,000     
          adjustments to reconcile net loss to net cash from operating activities
                            
          loss on debt extinguishment
                           
          pik interest incurred but not paid on term loan
            699,000 690,000 689,000 680,000 665,000 649,000 655,000 647,000       
          gain on short-term investments
                            
          changes in operating assets and liabilities
                            
          proceeds from sale of short-term investments
            2,000,000 1,500,000 3,300,000 2,500,000 3,500,000 4,200,000 5,300,000 10,200,000 9,000,000 7,000,000       
          repurchase of common stock
         -49,546,000                 
          proceeds from debt, net of discounts and issuance costs
         -133,000                   
          repayment of debt
                         
          cash, cash equivalents and restricted cash
                            
          beginning of the period
         13,552,000  18,180,000  6,727,000  19,309,000  26,756,000 
          end of the period
         -2,209,000 -4,162,000 27,141,000  2,574,000 -154,000 13,120,000  1,862,000 1,135,000 6,842,000  -14,000 -1,787,000 7,611,000  -4,614,000 17,162,000 14,207,000 
          loss on short-term investments
          -41,000 82,000  -219,000 -45,000 -51,000 -265,000 -115,000 -122,000 817,000         
          net income
                            
          adjustments to reconcile net income to net cash from operating activities
                            
          (gain) loss on short-term investments
                            
          other
                            
          payment of deferred offering costs
                -186,000 -9,000 -110,000     -1,810,000 -1,582,000 
          beginning of year
                            
          end of year
                            
          total cash, cash equivalents and restricted cash
                            
          net change in accrued liabilities from early exercise of options
                     -2,000     
          proceeds from at-the-market offering, net of issuance costs
                            
          operating lease right-of-use asset obtained in exchange for lease obligations
                            
          realized income from sale of short-term investments
                            
          change in fair value of redeemable convertible preferred stock warrant liability
                        2,114,000 3,122,000 
          other liabilities
                            
          deferred rent
                        -47,000 -47,000 -294,000 -178,000 
          purchase of short-term investments
                        -12,000 -80,000,000 -5,000,000 
          proceeds from issuance of common stock in initial public offering, net of underwriter discount and commissions
                          
          net decrease in cash and cash equivalents
                       -11,698,000     
          realized loss from sale of short-term investments
                     101,000       
          net (decrease) in cash and cash equivalents
                            
          issuance of common stock pursuant to stock option exercises
                       1,000  4,000 4,000 
          unpaid deferred offering costs included in accounts payable and accrued liabilities
                            
          pik interest paid on repayment of term loan
                            
          change in fair value of derivative instrument
                            
          loss on extinguishment of convertible notes
                            
          proceeds from debt
                            
          payment of debt issuance costs
                            
          proceeds from issuance of redeemable convertible preferred stock, net of issuance costs
                            
          issuance of convertible notes, net of issuance costs
                            
          conversion of convertible notes and accrued interest into preferred stock
                            
          extinguishment of derivative liability
                            
          issuance of redeemable convertible preferred stock warrants in connection with the new term loan
                            
          unpaid debt issuance costs included in accounts payable and accrued liabilities
                            
          payment of redeemable convertible preferred stock issuance costs