7Baggers

Hyliion Holdings Corp
(NYSE:HYLN) 

HYLN stock logo

Hyliion Holdings Corp. designs, develops, and sells electrified powertrain solutions for the commercial transportation industry. It also provides battery management systems for hybrid and fully electric vehicle applications. The company was founded in 2015 and is headquartered in Cedar Park, Texas.

Founded: 2015
CEO: Thomas J. Healy  
Sector: Consumer Cyclical
Industry: Auto Parts

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At a glance:
Bull Thesis:
Bear Thesis:
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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 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 
                                 
      revenues
                                 
      research and development services
    2,832,000 712,000 759,000 1,515,000 489,000                         
      total revenues
    2,832,000 712,000 759,000 1,515,000 489,000      96,000 266,000 310,000 1,095,000 499,000 172,000 340,000             
      yoy
    479.14%  NaN% NaN% NaN%  NaN% NaN% NaN%  -80.76% 54.65% -8.82%                 
      qoq
    297.75% -6.19% -49.90% 209.82%   NaN% NaN%   -63.91% -14.19% -71.69% 119.44% 190.12% -49.41%              
      cost of revenues
                                 
      total cost of revenues
    2,622,000 638,000 806,000 1,384,000 477,000     41,000 677,000 307,000 691,000 1,618,000 2,916,000 2,145,000 2,099,000             
      gross profit
    210,000 74,000 -47,000 131,000 12,000                         
      yoy
    1650.00%                             
      qoq
    183.78% -257.45% -135.88% 991.67%                          
      gross margin %
    7.42% 10.39% -6.19% 8.65% 2.45% NaN% NaN% NaN% NaN% NaN% 0% 0% 0% 0% 0% 0% 0% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% 
      operating expenses
                                 
      research and development
    7,670,000 9,964,000 10,136,000 10,137,000 12,230,000 11,263,000 9,462,000 8,311,000 7,968,000 8,768,000 25,115,000 27,439,000 20,918,000 198,913,000 -52,678,000 -20,057,000 -15,808,000 -17,390,000 -18,150,000 -13,389,000 -9,332,000         
      selling, general and administrative
    6,181,000 5,529,000 5,184,000 5,963,000 6,081,000 5,880,000 5,648,000 6,262,000 6,592,000 12,346,000 8,186,000 11,098,000 10,981,000 -8,063,750 -10,264,000 -12,167,000 -9,824,000 -6,527,750 -8,660,000 -10,052,000 -7,399,000         
      exit and termination (benefits) costs
    -414,000 251,750 -70,000                           
      total operating expenses
    13,437,000 14,985,000 15,250,000 15,754,000 19,734,000 17,204,000 14,181,000 14,017,000 18,991,000 32,588,000 33,301,000 38,537,000 31,899,000 273,156,000 -62,942,000 -32,224,000 -25,632,000             
      income from operations
    -13,227,000 -14,911,000 -15,297,000 -15,623,000 -19,722,000 -17,110,000 -14,181,000 -14,017,000 -18,991,000 -32,629,000 -33,882,000 -38,578,000 -32,280,000 -32,083,000 -65,359,000 -34,197,000 -27,391,000 -29,115,000 -26,810,000 -23,441,000 -16,731,000 -16,710,034 -2,786,764 -2,353,986 -332,216 -201,284 -204,082 -233,340 -126,076 
      yoy
    -32.93% -12.85% 7.87% 11.46% 3.85% -47.56% -58.15% -63.67% -41.17% 1.70% -48.16% 12.81% 17.85% 10.19% 143.79% 45.89% 63.71% 74.24% 862.05% 895.80% 4936.18% 8201.72% 1265.51% 908.82% 163.50%     
      qoq
    -11.29% -2.52% -2.09% -20.78% 15.27% 20.65% 1.17% -26.19% -41.80% -3.70% -12.17% 19.51% 0.61% -50.91% 91.12% 24.85% -5.92% 8.60% 14.37% 40.11% 0.13% 499.62% 18.38% 608.57% 65.05% -1.37% -12.54% 85.08%  
      operating margin %
    -467.06% -2094.24% -2015.42% -1031.22% -4033.13% -Infinity% NaN% NaN% NaN% -Infinity% -35293.75% -14503.01% -10412.90% -2929.95% -13098.00% -19881.98% -8056.18% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% 
      interest income
    1,490,000 1,714,000 1,960,000 2,209,000 2,468,000 2,712,000 2,979,000 3,129,000 3,396,000 3,463,000 3,534,000 3,349,000 3,462,000 2,658,000 1,926,000 855,000 285,000 218,000 195,000 197,000 169,000         
      net income
    -11,737,000 -13,183,000 -13,337,000 -13,414,000 -17,254,000 -14,398,000 -11,202,000 -10,856,000 -15,592,000 -29,130,000 -30,322,000 -35,227,000 -28,831,000 -29,387,000 -63,387,000 -33,475,000 -27,108,000 -29,627,000 -26,615,000 -23,244,000 -16,562,000 -34,432,991 -2,770,010 -2,257,132 278,133 582,820 739,729 808,915 192,924 
      yoy
    -31.98% -8.44% 19.06% 23.56% 10.66% -50.57% -63.06% -69.18% -45.92% -0.87% -52.16% 5.23% 6.36% -0.81% 138.16% 44.02% 63.68% -13.96% 860.83% 929.80% -6054.71% -6008.00% -474.46% -379.03% 44.17%     
      qoq
    -10.97% -1.15% -0.57% -22.26% 19.84% 28.53% 3.19% -30.37% -46.47% -3.93% -13.92% 22.18% -1.89% -53.64% 89.36% 23.49% -8.50% 11.32% 14.50% 40.35% -51.90% 1143.06% 22.72% -911.53% -52.28% -21.21% -8.55% 319.29%  
      net income margin %
    -414.44% -1851.54% -1757.18% -885.41% -3528.43% -Infinity% NaN% NaN% NaN% -Infinity% -31585.42% -13243.23% -9300.32% -2683.74% -12702.81% -19462.21% -7972.94% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% 
      net income per share
    -0.07 -0.08 -0.08 -0.08 -0.1 -0.09 -0.06 -0.06 -0.09 -0.16 -0.17 -0.19 -0.16 -0.16 -0.36 -0.19 -0.16 -0.17 -0.15 -0.13 -0.1         
      weighted-average shares outstanding, basic and diluted
    177,668,678 175,426,635 175,652,193 175,308,965 174,344,218 174,915,487 173,612,768 173,829,107 178,482,894 181,411,069 181,641,060 180,966,908 180,118,044  174,345,022 173,897,517 173,584,573  172,987,672,000 172,260,525,000 170,249,708,000 104,324,059        
      gain on disposal of assets
            3,000 250  -1,000 2,000 -22,250 46,000               
      other income
           32,000  36,000 26,000 3,000                  
      exit and termination costs
       -346,000 1,423,000 61,000 -929,000 -556,000 4,431,000                     
      product sales and other
              96,000 266,000 310,000 1,095,000 499,000 172,000 340,000             
      gross loss
             -41,000 -581,000 -41,000 -381,000 -523,000 -2,417,000 -1,973,000 -1,759,000             
      other expense
                -15,000                 
      loss on disposal of assets
                   -133,000 -2,000             
      operating expenses:
                                 
      other income:
                                 
      interest expense
                                 
      change in fair value of convertible notes payable derivative liabilities
                                 
      total other income
                     140,250 195,000 197,000 169,000         
      general and administrative expenses
                         1,308,241.5 2,706,764 2,273,986 252,216 121,284 124,082 153,340 66,076 
      administrative expenses - related party
                         22,500 30,000 30,000 30,000 30,000 30,000 30,000 10,000 
      franchise tax expense
                         37,500 50,000 50,000 50,000 50,000 50,000 50,000 50,000 
      investment income from investments held in trust account
                         221,589 16,754 110,300 759,302 979,245 1,181,406 1,306,019 390,506 
      income before income tax expense
                         -1,146,652.5 -2,770,010 -2,243,686 427,086 777,961 977,324 1,072,679 264,430 
      income tax expense
                         40,599.75  13,446 148,953 195,141 237,595 263,764 71,506 
      weighted-average shares outstanding of class a common stock
                          23,300,917 23,300,917 23,300,917 23,300,917 23,300,917 23,300,917 23,300,917 
      basic and diluted net income per share, class a common stock
                         0.005        
      weighted-average shares outstanding of class b common stock
                          5,825,230 5,825,230 5,825,230 5,825,230 5,825,230 5,825,230 5,825,230 
      basic and diluted net (loss) per share, class b common stock
                         -0.228 -0.48       
      basic and diluted net income per share, class a
                            0.02 0.03 0.04 0.03 0.01 
      basic and diluted net income per share, class b
                           -0.4 -0.05 -0.03 -0.03   
                                 
    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 
                                 
        assets
                                 
        current assets
                                 
        cash and cash equivalents
      20,262,000 22,938,000 17,878,000 15,591,000 12,332,000 9,227,000 28,065,000 19,133,000 14,715,000 12,881,000 28,600,000 48,205,000 85,206,000 119,468,000 154,161,000 199,933,000 227,107,000 258,445,000 289,486,000 317,712,000 334,718,000 389,705,000      
        accounts receivable
      3,026,000 489,000 726,000 1,192,000 1,987,000 1,923,000 1,257,000 373,000 122,000 40,000 140,000 804,000 837,000 1,136,000 894,000 114,000 765,000 70,000 359,000 92,000 80,000 92,000      
        inventory
      1,919,000          139,000 892,000 869,000 74,000 140,000 176,000 186,000 114,000          
        prepaid expenses and other current assets
      4,031,000 4,597,000 4,238,000 4,784,000 4,869,000 6,401,000 5,678,000 5,449,000 6,559,000 18,483,000 11,509,000 15,853,000 15,282,000 9,795,000 5,876,000 8,364,000 8,865,000 9,068,000 5,516,000 3,777,000 3,616,000 16,408,000      
        short-term investments
      52,208,000 69,427,000 87,121,000 92,964,000 108,781,000 110,918,000 122,897,000 136,091,000 126,703,000 150,297,000 153,625,000 183,440,000 196,768,000 193,740,000 232,917,000 188,868,000 134,160,000 118,787,000 144,465,000 139,984,000 144,829,000 201,881,000      
        assets held for sale
       1,181,000    2,563,000 3,463,000 3,573,000 5,973,000                   
        total current assets
      81,446,000 98,632,000 109,963,000 114,531,000 127,969,000 131,032,000 161,360,000 164,619,000 154,072,000 181,701,000 194,013,000 249,194,000 298,962,000 324,213,000 393,988,000 397,455,000 371,083,000 386,484,000 439,826,000 461,565,000 483,243,000 608,086,000 117,193,028 355,249 923,849 1,094,628 1,244,663 
        property and equipment
      38,494,000 40,461,000 41,604,000 32,563,000 29,446,000 25,920,000 17,428,000 15,781,000 12,701,000 9,987,000 11,076,000 8,942,000 8,303,000 5,606,000 5,772,000 2,220,000 2,478,000 2,235,000 2,820,000 2,039,000 1,350,000 1,171,000      
        operating lease right-of-use assets
      2,963,000 3,468,000 3,959,000 4,439,000 4,906,000 5,431,000 5,779,000 6,221,000 6,992,000 7,070,000 7,494,000 7,908,000 6,168,000 6,470,000 6,792,000 7,101,000 7,411,000 7,734,000 8,474,000 8,676,000 4,833,000 5,055,000      
        other assets
      990,000 1,004,000 964,000 932,000 985,000 1,079,000 1,173,000 1,266,000 1,360,000 1,439,000 2,038,000 1,946,000 1,674,000 1,686,000 1,730,000 1,743,000 1,682,000 1,535,000 920,000 250,000 193,000 193,000      
        long-term investments
      66,858,000 59,994,000 59,743,000 76,745,000 77,670,000 99,584,000 86,545,000 93,476,000 122,529,000 128,186,000 141,324,000 122,694,000 103,433,000 108,568,000 68,422,000 111,299,000 165,958,000 180,217,000 154,981,000 159,683,000 152,481,000 35,970,000      
        total assets
      190,751,000 203,559,000 216,233,000 229,210,000 240,976,000 263,046,000 272,285,000 281,363,000 297,654,000 328,383,000 356,145,000 390,921,000 418,762,000 446,743,000 476,899,000 520,004,000 548,823,000 578,440,000 607,280,000 632,496,000 642,408,000 650,807,000 353,676,680 236,999,147 237,537,447 237,148,974 236,519,764 
        liabilities and stockholders’ equity
                                 
        current liabilities
                                 
        accounts payable
      901,000 3,142,000 2,052,000 2,689,000 1,503,000 5,243,000 1,654,000 1,043,000 2,119,000 4,224,000 3,507,000 2,087,000 3,028,000 2,800,000 2,279,000 2,705,000 3,258,000 7,455,000 7,527,000 8,098,000 2,022,000 1,890,000 3,726,512 1,898,863 163,477 8,097 11,707 
        current portion of operating lease liabilities
      2,804,000 2,726,000 2,644,000 2,570,000 2,497,000 2,426,000 1,531,000 985,000 1,436,000 847,000 807,000 768,000 454,000 347,000 325,000 273,000 190,000 21,000 827,000 722,000 790,000 734,000      
        accrued expenses and other current liabilities
      4,369,000 3,995,000 5,287,000 5,000,000 5,238,000 6,622,000 5,975,000 5,485,000 6,948,000 10,051,000 8,867,000 15,581,000 10,567,000 11,535,000 14,168,000 11,177,000 7,860,000 7,759,000 7,623,000 6,131,000 5,073,000 1,982,000      
        total current liabilities
      8,074,000 9,863,000 9,983,000 10,259,000 9,238,000 14,291,000 9,160,000 7,513,000 10,503,000 15,122,000 13,181,000 18,436,000 14,049,000 14,682,000 16,772,000 14,155,000 11,308,000 15,235,000 15,977,000 14,951,000 7,885,000 4,655,000 121,484,812 2,037,269 318,437 208,097 161,707 
        operating lease liabilities, net of current portion
      912,000 1,646,000 2,353,000 3,040,000 3,710,000 4,366,000 4,997,000 5,610,000 6,207,000 6,792,000 7,354,000 7,899,000 6,525,000 6,972,000 7,399,000 7,814,000 8,222,000 8,623,000 8,749,000 8,971,000 4,838,000 5,076,000      
        other liabilities
      41,000 41,000 41,000 41,000 41,000  400,000 400,000 534,000 203,000 1,248,000 1,441,000 1,581,000 1,515,000 1,492,000 1,295,000 1,015,000 667,000          
        total liabilities
      9,027,000 11,550,000 12,377,000 13,340,000 12,989,000 18,657,000 14,557,000 13,523,000 17,244,000 22,117,000 21,783,000 27,776,000 22,155,000 23,169,000 25,663,000 23,264,000 20,545,000 24,525,000 24,726,000 23,922,000 12,723,000 10,639,000 129,762,920 10,315,377 8,596,545 8,486,205 8,439,815 
        commitments and contingencies
                                 
        stockholders’ equity
                                 
        common stock, 0.0001 par value...
      19,000 19,000 19,000 19,000 19,000 18,000 18,000 18,000 18,000 18,000 18,000 18,000 18,000 18,000 18,000 17,000 17,000 17,000 20,000 20,000 19,000 17,000      
        additional paid-in capital
      414,574,000 413,122,000 411,786,000 410,463,000 409,166,000 408,315,000 407,259,000 406,175,000 405,118,000 404,045,000 402,978,000 401,439,000 399,674,000 397,810,000 396,085,000 378,203,000 376,266,000 374,795,000 373,804,000 373,209,000 371,077,000 728,299,000 7,424,498 4,654,516 2,397,398 2,675,535 3,258,350 
        treasury stock
      -14,132,000 -14,132,000 -14,132,000 -14,132,000 -14,132,000 -14,132,000 -14,135,000 -14,141,000 -11,370,000 -33,000                  
        accumulated deficit
      -218,737,000 -207,000,000 -193,817,000 -180,480,000 -167,066,000 -149,812,000 -135,414,000 -124,212,000 -113,356,000            258,589,000 -88,148,000      
        total stockholders’ equity
      181,724,000 192,009,000 203,856,000 215,870,000 227,987,000 244,389,000 257,728,000 267,840,000 280,410,000 306,266,000 334,362,000 363,145,000 396,607,000 423,574,000 451,236,000 496,740,000 528,278,000 553,915,000 582,554,000 608,574,000 629,685,000 640,168,000 5,000,010 5,000,010  5,000,008  
        total liabilities and stockholders’ equity
      190,751,000 203,559,000 216,233,000 229,210,000 240,976,000 263,046,000 272,285,000 281,363,000 297,654,000 328,383,000 356,145,000 390,921,000 418,762,000 446,743,000 476,899,000 520,004,000 548,823,000 578,440,000 607,280,000 632,496,000 642,408,000 650,807,000 353,676,680 236,999,147  237,148,974  
        intangible assets
                200,000 237,000 222,000 200,000 195,000 186,000 211,000 235,000 259,000 283,000 308,000 332,000      
        (accumulated deficit) retained earnings
               -97,764,000 -68,634,000 -38,312,000 -3,085,000          -2,425,212     
        retained earnings
                   25,746,000 55,133,000 118,520,000 151,995,000 179,103,000 208,730,000 235,345,000    344,798 2,601,930 2,323,797 1,740,977 
        debt, net of current portion
                           908,000      
        current assets:
                                 
        current liabilities:
                                 
        stockholders’ equity:
                                 
        liabilities and stockholders’ equity:
                                 
        convertible notes payable derivative liabilities
                                 
        current portion of debt
                           49,000      
        convertible notes payable derivative liabilities, net of current portion
                                 
        assets:
                                 
        cash
                            117,102,142 231,081 747,807 916,226 1,016,141 
        prepaid expenses
                            90,886 124,168 176,042 178,402 228,522 
        cash and investments held in trust account
                            236,483,652     
        accrued expenses
                            508,300     
        note payable to sponsor
                            120,000     
        accrued franchise tax
                            30,000 20,000 50,000 200,000 150,000 
        due to private placement investors
                            117,100,000     
        deferred legal fees associated with initial public offering
                            150,000 150,000 150,000 150,000 150,000 
        deferred underwriting commissions associated with initial public offering
                            8,128,108 8,128,108 8,128,108 8,128,108 8,128,108 
        class a common stock, 0.0001 par value...
                            218,913,750 221,683,760 223,940,901 223,662,761 223,079,940 
        preferred stock, 0.0001 par value...
                                 
        class b common stock, 0.0001 par value...
                            583 583 583 583 583 
        general and administrative expenses
                            2,706,764 2,273,986    
        administrative expenses - related party
                            30,000 30,000    
        franchise tax expense
                            50,000 50,000    
        income from operations
                            -2,786,764 -2,353,986    
        investment income from investments held in trust account
                            16,754 110,300    
        income/(loss) before income tax expense
                            -2,770,010 -2,243,686    
        income tax expense
                             13,446    
        net income/
                            -2,770,010 -2,257,132    
        weighted-average shares outstanding of class a common stock
                            23,300,917 23,300,917    
        basic and diluted net income per share, class a common stock
                                 
        weighted-average shares outstanding of class b common stock
                            5,825,230 5,825,230    
        basic and diluted net (loss) per share, class b common stock
                            -0.48     
        investments held in trust account
                             236,643,898 236,613,598 236,054,346 235,275,101 
        accrued income tax
                             118,406 104,960   
        preferred stock, 0.0001 par value; 1,000,000 shares authorized; none issued and outstanding as of june 30, 2020 and december 31, 2019
                                 
        basic and diluted net income per share, class a
                                 
        basic and diluted net income/(loss) per share, class b
                             -0.4    
        liabilities and stockholders' equity:
                                 
        commitments
                                 
        stockholders' equity:
                                 
        preferred stock, 0.0001 par value; 1,000,000 shares authorized; none issued and outstanding as of march 31, 2020 and december 31, 2019
                                 
        total stockholders' equity
                              5,000,001  5,000,009 
        total liabilities and stockholders' equity
                              237,537,447  236,519,764 
        deferred offering costs associated with initial public offering
                                 
        preferred stock, 0.0001 par value; 1,000,000 shares authorized; none issued and outstanding as of december 31, 2019 and 2018
                                 
        preferred stock, 0.0001 par value; 1,000,000 shares authorized; none issued and outstanding as of september 30, 2019 and december 31, 2018
                                 
      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 2019-09-30 2019-06-30 2019-03-31 
                                    
          cash flows from operating activities
                                    
          net loss
        -11,737,000 -13,183,000 -13,337,000 -13,414,000 -17,254,000 -14,398,000 -11,202,000 -10,856,000 -15,592,000 -29,130,000 -30,322,000 -35,227,000 -28,831,000  -63,387,000 -33,475,000 -27,108,000  -26,615,000 -23,244,000 -16,562,000        
          adjustments to reconcile net loss to net cash from operating activities:
                                    
          depreciation and amortization
        2,109,000 1,890,000 1,638,000 1,286,000 1,142,000 1,007,000 855,000 713,000 572,000 1,715,000 664,000 608,000 524,000 404,000 269,000 284,000 270,000 227,000 243,000 211,000 203,000        
          amortization and accretion of investments
        -247,000 -304,000 -266,000 -417,000 -575,000 -589,000 -650,000 -866,000 -973,000 -1,047,000 -1,032,000 -595,000 -194,000  257,000 465,000 578,000            
          noncash lease expense
        505,000 491,000 480,000 467,000 525,000 348,000 442,000 771,000 78,000 424,000 414,000 356,000 302,000 322,000 309,000 310,000 303,000 11,000 202,000 296,000 222,000        
          gain on disposal of assets, including assets held for sale
        -414,000 -524,000 -112,000 -306,000 -279,000 -741,000                       
          share-based compensation
        1,452,000 1,419,000 1,378,000 1,386,000 1,295,000 1,074,000 1,096,000 1,125,000 1,320,000 1,047,000 1,409,000 1,721,000 2,040,000 1,711,000 1,783,000 1,922,000 1,563,000 950,000 545,000 1,917,000 1,510,000        
          carrying value adjustment to assets held for sale
         1,590,000 900,000 5,564,000                    
          changes in operating assets and liabilities:
                                    
          accounts receivable
        -2,537,000 234,000 436,000 769,000 -5,000 -1,303,000 -247,000 -251,000 -82,000 100,000 664,000 33,000 299,000 -356,000 -780,000 651,000 -695,000 289,000   12,000        
          inventory
        -1,919,000         -8,000 -8,000 -23,000 -1,026,000 59,000 -2,285,000 -1,978,000 -1,397,000            
          prepaid expenses and other assets
        856,000 -347,000 554,000 294,000 1,626,000 -229,000 -84,000 2,251,000 -7,382,000 1,663,000 4,563,000 -450,000 -5,313,000 -3,668,000 2,502,000 497,000 98,000 -4,121,000           
          accounts payable
        -389,000 -535,000 -558,000 1,069,000 -54,000 -210,000 584,000 -666,000 -2,573,000 801,000 1,268,000 -928,000 215,000 541,000 -407,000 -545,000 -4,249,000 -298,000 -323,000 5,808,000 132,000 -2,984,415 1,827,649 1,735,386 155,380 -17,916 -2,186 31,218 
          accrued expenses and other liabilities
        251,000 -374,000 -292,000 -532,000 -1,430,000 430,000 409,000 -1,361,000 -3,066,000 275,000 -6,713,000 4,562,000 -1,144,000 -2,657,000 3,204,000 3,805,000 219,000            
          operating lease liabilities
        -656,000 -625,000 -613,000 -597,000 -585,000 264,000 -67,000 -1,048,000 4,000 -522,000 -506,000 -408,000 -340,000 -405,000 -363,000 -325,000 -212,000 -203,000 -117,000 -74,000 -182,000        
          net cash from operating activities
        -12,726,000 -11,858,000 -10,692,000 -9,995,000 -14,004,000 -13,447,000 -9,895,000 -10,694,000 -22,702,000 -24,535,000 -28,838,000 -30,350,000 -33,239,000 -33,435,000 -27,871,000 -26,268,000 -29,303,000 -30,680,000 -25,663,000 -13,402,000 -10,757,000 -21,452,866 -525,939 -596,726 -368,469 -566,106 -446,645 -19,000 
          capital expenditures
        -1,744,000 -1,737,000 -9,925,000 -4,038,000 -7,090,000 -5,977,000 77,000 -5,554,000 -2,350,000 -646,000 -2,845,000 -665,000 -2,733,000 -264,000 -566,000 73,000 -167,000 -1,248,000 -607,000 -358,000 
          free cash flows
        -14,470,000 -13,595,000 -20,617,000 -14,033,000 -21,094,000 -19,424,000 -9,818,000 -16,248,000 -25,052,000 -25,181,000 -31,683,000 -31,015,000 -35,972,000 -33,699,000 -27,871,000 -26,834,000 -29,230,000 -30,847,000 -26,911,000 -14,009,000 -11,115,000 -21,452,866 -525,939 -596,726 -368,469 -566,106 -446,645 -19,000 
          cash flows from investing activities
                                    
          purchase of property and equipment
        -1,874,000 -1,737,000 -10,428,000 -4,241,000 -7,334,000 -5,977,000          -350,000 -209,000 -167,000 -1,248,000 -607,000 -358,000        
          proceeds from sale of property and equipment
        1,598,000 1,042,000 392,000 581,000 219,000 1,275,000 640,000 2,898,000 572,000 2,000 119,000               
          receipt of security deposit
         41,000                        
          purchase of investments
        -15,174,000 -10,116,000 -17,929,000   -40,870,000 -22,760,000 -8,916,000 -23,707,000 -19,473,000 -71,004,000 -67,799,000 -31,394,000 -108,468,000 -53,319,000 -47,563,000 -59,234,000 -49,093,000 -29,693,000 -19,561,000 -219,460,000        
          proceeds from sale and maturity of investments
        25,500,000 27,811,000 41,000,000 35,399,000 24,627,000 40,200,000 43,452,000 29,373,000 53,861,000 36,866,000 82,910,000 62,113,000 33,533,000 107,341,000 51,890,000 46,992,000 57,500,000 48,825,000           
          net cash from investing activities
        10,050,000 17,000,000 13,035,000 13,342,000 17,553,000 -5,372,000 18,838,000 18,119,000 27,908,000 16,747,000 9,103,000 -6,695,000 -847,000 -1,272,000 -17,886,000 -921,000 -1,943,000 -390,000 -1,916,000 -3,868,000 -59,817,000     306,000 306,000 -233,009,170 
          cash flows from financing activities
                                    
          taxes paid related to net share settlement of equity awards
         -84,000 -56,000 -88,000 -444,000 -19,000 -28,000 -70,000 -295,000 -7,000 -16,000 -21,000 -195,000 -26,000 -11,000 -120,000            
          net cash from financing activities
         -82,000 -56,000 -88,000 -444,000 -19,000 -11,000 -3,007,000 -11,290,000 -13,000 130,000 44,000 -176,000 14,000 -15,000 15,000 -92,000 -4,000 51,000 264,000 15,587,000 527,284,000    234,445,062 
          net increase in cash and cash equivalents and restricted cash
        -2,676,000 5,060,000 2,287,000 3,259,000 3,105,000             -31,074,000           
          cash and cash equivalents and restricted cash, beginning of period
        23,603,000 9,892,000 21,464,000 120,133,000 259,110,000            
          cash and cash equivalents and restricted cash, end of period
        20,927,000 5,060,000 2,287,000 3,259,000 12,997,000 -18,838,000 8,932,000 4,418,000 15,380,000 -7,801,000 -19,605,000 -37,001,000 85,871,000 -34,693,000 -45,772,000 -27,174,000 227,772,000            
          supplemental disclosure of noncash investing and financing activities:
                                    
          acquisitions of property and equipment included in accounts payable and accrued expenses and other current liabilities
        130,000  503,000 203,000 244,000                        
          proceeds from exercise of common stock options
             17,000 2,000 48,000 27,000 146,000 65,000 19,000 14,000 11,000 26,000 28,000 38,000 51,000 215,000 287,000        
          repurchase of treasury stock
             -2,939,000 -11,043,000                    
          repurchase of treasury stock included in accrued expenses
              -6,000 -168,000 294,000                    
          inventory write-down
                 147,000 761,000 231,000 7,000 2,321,000 1,988,000 1,325,000            
          change in operating assets and liabilities:
                                    
          payments for security deposit
                       28,000          
          net decrease in cash and cash equivalents and restricted cash
               4,418,000 -6,084,000 -7,801,000 -19,605,000 -37,001,000 -34,262,000  -45,772,000 -27,174,000 -31,338,000            
          acquisitions of property and equipment included in accounts payable and other
              77,000 -318,000 468,000  -42,000 299,000 255,000  -216,000 282,000            
          right-of-use assets obtained in exchange for lease obligations
                                   
          gain on disposal of assets
               -506,000 -572,000                    
          purchase of property and equipment and other
               -5,236,000 -2,818,000 -646,000 -2,803,000 -964,000 -2,988,000 -264,000               
          loss on impairment and disposal of assets
                                    
          provision for doubtful accounts
                                    
          acquired in-process research and development
                                   
          change in operating assets and liabilities, net of effects of business acquisition:
                                    
          purchase of in-process research and development
                                   
          loss on disposal of assets
                  1,000 -2,000  -46,000 133,000 2,000            
          common stock issued for purchase of assets
                                    
          net income
                              -2,770,010 -2,257,132 278,133 739,729 808,915 192,924 
          adjustments to reconcile net income to net cash from operating activities:
                                    
          amortization of investment premiums and discounts
                         498,000 471,000          
          loss on extinguishment of debt
                                    
          paid-in-kind interest on convertible notes payable
                                    
          amortization of debt discount
                                    
          change in fair value of convertible notes payable derivative liabilities
                                    
          change in fair value of warrant liability
                                    
          business combination and pipe financing, net of issuance costs paid
                                    
          proceeds from exercise of stock warrants, net of issuance costs
                         16,257,000        
          proceeds from convertible notes payable issuance and derivative liabilities
                                    
          (payments for)/proceeds from paycheck protection program loan
                                  
          payments for deferred financing costs
                                    
          repayments on finance lease obligations
                            -49,000        
          payments for paycheck protection program loan
                            -908,000        
          supplemental disclosure of noncash investing information:
                                    
          change in fair value of contingent consideration liability
                                    
          cash and cash equivalents, beginning of period
                                    
          cash flows from operating activities:
                                    
          accrued expenses and other current liabilities
                          1,491,000 -3,273,000 3,091,000        
          cash flows from investing activities:
                                    
          cash flows from financing activities:
                                    
          proceeds from term loan
                                    
          payments for deferred transaction costs
                                    
          cash and cash equivalents - beginning of the period
                                    
          cash and cash equivalents and restricted cash - end of the period
                                    
          prepaid expenses and other current assets
                           4,122,000 817,000        
          proceeds from sale of investments
                           16,357,000 160,001,000        
          net decrease in cash and cash equivalents
                           -17,006,000 -54,987,000        
          cash and cash equivalents- beginning of the period
                           389,705,000        
          cash and cash equivalents - end of the period
                           -17,006,000 334,718,000        
          proceeds from convertible notes payable issuance and derivative liability
                                    
          operating activities:
                                    
          change in operating assets and liabilities, net of effects of business
                                    
          acquisition:
                                    
          other assets
                                    
          investing activities:
                                    
          financing activities:
                                    
          proceeds from the exercise of stock warrants
                                    
          proceeds from paycheck protection program loan
                                    
          net increase in cash and cash equivalents:
                                    
          cash and cash equivalents, end of period
                                    
          general and administrative expenses paid by sponsor
                                 4,218 
          investment income from investments held in trust account
                              -16,754 -110,300 -759,302 -1,181,406 -1,306,019 -390,506 
          prepaid expenses
                              33,282 51,874 2,360 14,610 64,881 -55,213 
          accrued expenses
                                 -141,853 -20,000 76,853 
          accrued franchise tax
                              10,000 -30,000 -150,000 50,000 50,000 50,000 
          cash deposited in trust account
                                 -233,009,170 
          interest released from trust account
                              177,000 80,000 200,050 306,000   
          net cash provided by/(used in) investing activities
                              177,000 80,000 200,050    
          proceeds from private placement investors
                                    
          proceeds from note payable to related parties
                                    
          gross proceeds received from initial public offering
                                 233,009,170 
          proceeds received from sale of private placement warrants
                                 6,660,183 
          repayment of note payable to sponsor
                                 -579,658 
          offering costs paid
                                 -4,644,633 
          net increase in cash
                                 -260,106 -140,645 1,416,892 
          cash - beginning of the period
                              916,226    
          cash - end of the period
                              116,871,061 -516,726 747,807 -260,106 -140,645 1,416,892 
          reduction of accounts payable paid by sponsor included in note payable
                                 10,213 
          offering costs included in accrued expenses
                                 85,000 
          offering costs included in note payable
                                 250,997 
          deferred underwriting commissions associated with the initial public offering
                                 8,128,108 
          deferred legal fees associated with the initial public offering
                                 150,000 
          prepaid expenses included in note payable
                                 252,800 
          change in value of class a common stock subject to possible redemption
                                    
          ●
                                    
          accrued income tax
                               13,446 104,960  -42,236 71,506 
          net increase/(decrease) in cash
                                    
          change in value of common stock subject to possible redemption
                                    
          net (decrease)/increase in cash
                                -168,419    
          value of common stock subject to possible redemption
                                278,140 739,730 808,910 221,531,300 
          supplemental disclosure of noncash activities:
                                    
          supplemental cash flow disclosure:
                                    
          cash paid for income taxes