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| Date | 3/31/2024 | 12/31/2023 | 9/30/2023 | 6/30/2023 | 12/31/2022 | 9/30/2022 | 6/30/2022 | 12/31/2021 | 9/30/2021 | 6/30/2021 | 12/31/2020 | 9/30/2020 | 6/30/2020 | 3/31/2020 | 12/31/2019 | 9/30/2019 | 6/30/2019 | 3/31/2019 | 12/31/2018 | 9/30/2018 | 6/30/2018 | 3/31/2018 | 12/31/2017 | 9/30/2017 | 6/30/2017 | 3/31/2017 | 12/31/2016 | 12/31/2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cash and Cash Equivalents | $58,400,000.00 | $46,814,000.00 | $35,042,000.00 | $71,350,000.00 | $71,061,000.00 | $41,289,000.00 | $41,178,000.00 | $74,268,000.00 | $79,323,000.00 | $74,969,000.00 | $71,819,000.00 | $44,278,000.00 | $78,860,000.00 | $75,339,000.00 | $72,624,000.00 | $83,562,000.00 | $79,467,000.00 | $83,378,000.00 | $89,478,000.00 | $95,299,000.00 | $100,768,000.00 | $109,280,000.00 | $118,298,000.00 | -- | -- | -- | -- | -- |
| Accounts Receivable Net Current | $5,772,000.00 | $4,489,000.00 | $4,175,000.00 | $1,610,000.00 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Inventory | $9,572,000.00 | $8,840,000.00 | $7,123,000.00 | $5,832,000.00 | $1,230,000.00 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Prepaid Expenses and Other Current Assets | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Total Current Assets | $76,525,000.00 | $92,938,000.00 | $104,339,000.00 | $113,574,000.00 | $123,308,000.00 | $47,169,000.00 | $57,855,000.00 | $78,275,000.00 | $86,470,000.00 | $92,492,000.00 | $107,826,000.00 | $115,688,000.00 | $122,536,000.00 | $79,073,000.00 | $75,647,000.00 | $84,887,000.00 | $81,773,000.00 | $85,811,000.00 | $91,893,000.00 | $96,831,000.00 | $102,965,000.00 | $111,568,000.00 | $119,883,000.00 | -- | -- | -- | -- | -- |
| Property Plant and Equipement | $52,000.00 | $58,000.00 | $39,000.00 | $45,000.00 | $54,000.00 | $62,000.00 | $57,000.00 | $69,000.00 | $77,000.00 | $77,000.00 | $93,000.00 | $102,000.00 | $110,000.00 | $119,000.00 | $127,000.00 | $136,000.00 | $145,000.00 | $154,000.00 | $164,000.00 | $215,000.00 | $225,000.00 | $193,000.00 | $203,000.00 | -- | -- | -- | -- | -- |
| Intangible Assets Net | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Goodwill | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Other Assets | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Total Assets | $78,454,000.00 | $94,479,000.00 | $106,101,000.00 | $114,171,000.00 | $124,195,000.00 | $48,400,000.00 | $59,162,000.00 | $79,037,000.00 | $87,531,000.00 | $93,615,000.00 | $109,048,000.00 | $116,960,000.00 | $123,919,000.00 | $80,488,000.00 | $77,283,000.00 | $86,666,000.00 | $83,459,000.00 | $87,587,000.00 | $93,755,000.00 | $98,819,000.00 | $105,009,000.00 | $113,652,000.00 | $122,048,000.00 | -- | -- | -- | -- | -- |
| Accounts Payable | $2,706,000.00 | $4,001,000.00 | $3,370,000.00 | $1,182,000.00 | $1,518,000.00 | $996,000.00 | $982,000.00 | $544,000.00 | $447,000.00 | $531,000.00 | $1,666,000.00 | $839,000.00 | $770,000.00 | $652,000.00 | $1,142,000.00 | $542,000.00 | $1,419,000.00 | $221,000.00 | $587,000.00 | $1,667,000.00 | $2,358,000.00 | $1,519,000.00 | $1,591,000.00 | -- | -- | -- | -- | -- |
| Accrued Liabilities | $9,206,000.00 | $8,901,000.00 | $7,109,000.00 | $5,120,000.00 | $5,289,000.00 | $5,178,000.00 | $4,126,000.00 | $3,995,000.00 | $3,484,000.00 | $3,579,000.00 | $4,787,000.00 | $5,910,000.00 | $4,724,000.00 | $3,590,000.00 | $3,688,000.00 | $7,169,000.00 | $7,110,000.00 | $5,474,000.00 | $2,922,000.00 | $2,212,000.00 | $2,565,000.00 | $2,736,000.00 | $3,063,000.00 | -- | -- | -- | -- | -- |
| Total Current Liabilities | $53,888,000.00 | $57,261,000.00 | $56,955,000.00 | $50,744,000.00 | $51,762,000.00 | $17,290,000.00 | $18,705,000.00 | $22,567,000.00 | $24,421,000.00 | $24,572,000.00 | $26,878,000.00 | $27,145,000.00 | $25,860,000.00 | $25,384,000.00 | $25,918,000.00 | $28,780,000.00 | $19,990,000.00 | $17,189,000.00 | $15,011,000.00 | $15,429,000.00 | $16,417,000.00 | $15,708,000.00 | $16,051,000.00 | -- | -- | -- | -- | -- |
| Long Term Debt | $39,385,000.00 | $38,811,000.00 | $38,262,000.00 | $37,741,000.00 | $36,794,000.00 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Additional Paid-in Capital | $320,016,000.00 | $318,561,000.00 | $316,678,000.00 | $315,329,000.00 | $298,934,000.00 | $248,395,000.00 | $247,587,000.00 | $246,166,000.00 | $245,487,000.00 | $244,868,000.00 | $243,830,000.00 | $243,684,000.00 | $242,898,000.00 | $191,649,000.00 | $180,818,000.00 | $176,524,000.00 | $175,900,000.00 | $175,574,000.00 | $175,201,000.00 | $174,748,000.00 | $174,189,000.00 | $173,690,000.00 | $173,011,000.00 | -- | -- | -- | -- | -- |
| Accumulated Other Comprehensive Loss | -- | $-1,000.00 | $-2,000.00 | $-6,000.00 | $32,000.00 | -- | $-7,000.00 | $-1,000.00 | -- | -- | $1,000.00 | $8,000.00 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Accumulated Deficit | $-295,454,000.00 | $-281,346,000.00 | $-267,500,000.00 | $-251,900,000.00 | $-226,536,000.00 | $-217,300,000.00 | $-207,100,000.00 | $-189,698,000.00 | $-182,380,000.00 | $-175,800,000.00 | $-161,664,000.00 | $-153,880,000.00 | $-144,842,000.00 | $-136,547,000.00 | $-129,455,000.00 | $-118,640,000.00 | $-112,433,000.00 | $-105,178,000.00 | $-96,459,000.00 | $-91,360,000.00 | $-85,599,000.00 | $-75,748,000.00 | $-67,016,000.00 | -- | -- | -- | -- | -- |
| Total Stockholders' Equity | $24,566,000.00 | $37,218,000.00 | $49,146,000.00 | $63,427,000.00 | $72,433,000.00 | $31,110,000.00 | $40,457,000.00 | $56,470,000.00 | $63,110,000.00 | $69,043,000.00 | $82,170,000.00 | $89,815,000.00 | $98,059,000.00 | $55,104,000.00 | $51,365,000.00 | $57,886,000.00 | $63,469,000.00 | $70,398,000.00 | $78,744,000.00 | $83,390,000.00 | $88,593,000.00 | $97,944,000.00 | $105,997,000.00 | -- | -- | -- | $-37,074,000.00 | $-18,240,000.00 |
| Controlling Interest in Subsidiaries | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Total Liabilities and Equity | $78,454,000.00 | $94,479,000.00 | $106,101,000.00 | $114,171,000.00 | $124,195,000.00 | $48,400,000.00 | $59,162,000.00 | $79,037,000.00 | $87,531,000.00 | $93,615,000.00 | $109,048,000.00 | $116,960,000.00 | $123,919,000.00 | $80,488,000.00 | $77,283,000.00 | $86,666,000.00 | $83,459,000.00 | $87,587,000.00 | $93,755,000.00 | $98,819,000.00 | $105,009,000.00 | $113,652,000.00 | $122,048,000.00 | -- | -- | -- | -- | -- |
| Date | 3/31/2024 | 12/31/2023 | 9/30/2023 | 6/30/2023 | 12/31/2022 | 9/30/2022 | 6/30/2022 | 12/31/2021 | 9/30/2021 | 6/30/2021 | 12/31/2020 | 9/30/2020 | 6/30/2020 | 3/31/2020 | 12/31/2019 | 9/30/2019 | 6/30/2019 | 3/31/2019 | 12/31/2018 | 9/30/2018 | 6/30/2018 | 3/31/2018 | 12/31/2017 | 9/30/2017 | 6/30/2017 | 3/31/2017 | 12/31/2016 | 12/31/2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total Revenues | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Cost of Revenues | $1,785,000.00 | $3,811,000.00 | $2,038,000.00 | $959,000.00 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Gross Profit | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Research and Development | $2,726,000.00 | $11,809,000.00 | $8,471,000.00 | $2,934,000.00 | $15,533,000.00 | $13,207,000.00 | $5,142,000.00 | $16,039,000.00 | $11,509,000.00 | $7,816,000.00 | $18,149,000.00 | $5,119,000.00 | $9,285,000.00 | $4,146,000.00 | $24,632,000.00 | $16,314,000.00 | $12,020,000.00 | $6,524,000.00 | $15,948,000.00 | $12,799,000.00 | $4,855,000.00 | $4,048,000.00 | $14,331,000.00 | $10,615,000.00 | $4,145,000.00 | $2,885,000.00 | $11,856,000.00 | -- |
| Selling, General, and Administrative | $17,447,000.00 | $53,369,000.00 | $37,127,000.00 | $22,992,000.00 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Total Operating Expenses | -- | -- | -- | -- | $36,157,000.00 | $26,655,000.00 | $16,661,000.00 | $25,823,000.00 | $5,905,000.00 | $13,197,000.00 | $29,933,000.00 | $8,438,000.00 | $7,676,000.00 | $6,649,000.00 | $32,905,000.00 | $6,289,000.00 | $7,335,000.00 | $8,847,000.00 | $29,667,000.00 | $24,444,000.00 | $9,904,000.00 | $8,699,000.00 | $23,436,000.00 | $5,250,000.00 | $6,519,000.00 | $4,959,000.00 | $17,910,000.00 | -- |
| Loss from Operations | $-15,856,000.00 | $-55,396,000.00 | $-14,839,000.00 | $-25,300,000.00 | $-36,157,000.00 | $-26,655,000.00 | $-9,421,000.00 | $-25,823,000.00 | $-19,102,000.00 | $-13,197,000.00 | $-29,933,000.00 | $-22,763,000.00 | $-7,676,000.00 | $-6,649,000.00 | $-32,905,000.00 | $-6,289,000.00 | $-16,182,000.00 | $-8,847,000.00 | $-29,667,000.00 | $-24,444,000.00 | $-18,603,000.00 | $-8,699,000.00 | $-23,436,000.00 | $-16,728,000.00 | $-11,478,000.00 | $-4,959,000.00 | $-17,910,000.00 | -- |
| Loss Before Income Taxes | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Earnings Per Share Basic | $-0.36 | $-1.42 | $-1.07 | $-0.66 | $-1.30 | $-0.37 | $-0.35 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Weighted Average Shares Basic | 38,952,131 | 38,513,747 | 38,760,895 | 38,249,255 | 28,358,502 | 27,401,060 | 27,373,459 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Earnings Per Share Diluted | $-0.36 | $-1.42 | $-1.07 | $-0.36 | $-1.30 | $-0.37 | $-0.35 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Weighted Average Shares Diluted | 38,952,131 | 38,513,747 | 38,421,676 | 38,692,624 | 28,358,502 | 27,401,060 | 27,378,507 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Common Stock Shares Authorized | 150,000,000 | 150,000,000 | 150,000,000 | 150,000,000 | 150,000,000 | 150,000,000 | 150,000,000 | 150,000,000 | 150,000,000 | 150,000,000 | 150,000,000 | 150,000,000 | 150,000,000 | 150,000,000 | 150,000,000 | 150,000,000 | 150,000,000 | 150,000,000 | 150,000,000 | 150,000,000 | 150,000,000 | 150,000,000 | -- | -- | -- | -- | -- | -- |
| Common Stock Shares Outstanding | 36,054,409 | 35,968,510 | 35,859,045 | 35,849,482 | 34,257,916 | 27,402,121 | 27,395,146 | 27,366,707 | 27,355,454 | 27,355,454 | 27,325,959 | 27,320,459 | 27,287,997 | 20,981,880 | 19,418,955 | 18,629,730 | 18,580,430 | 18,580,430 | 18,569,289 | 18,569,289 | 18,569,289 | 18,542,212 | 18,534,240 | -- | -- | -- | -- | -- |
| Common Stock Value | $4,000.00 | $4,000.00 | $4,000.00 | $4,000.00 | $3,000.00 | $3,000.00 | $3,000.00 | $3,000.00 | $3,000.00 | $3,000.00 | $3,000.00 | $3,000.00 | $3,000.00 | $2,000.00 | $2,000.00 | $2,000.00 | $2,000.00 | $2,000.00 | $2,000.00 | $2,000.00 | $2,000.00 | $2,000.00 | $2,000.00 | -- | -- | -- | -- | -- |
| Common Stock Par Or Stated Value Per Share | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | -- | -- | -- | -- | -- | -- |
| Payments Of Dividends Common Stock | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Preferred Stock Shares Authorized | 10,000,000 | 10,000,000 | 10,000,000 | 10,000,000 | 10,000,000 | 10,000,000 | 10,000,000 | 10,000,000 | 10,000,000 | 10,000,000 | 10,000,000 | 10,000,000 | 10,000,000 | 10,000,000 | 10,000,000 | 10,000,000 | 10,000,000 | 10,000,000 | 10,000,000 | 10,000,000 | 10,000,000 | 10,000,000 | 10,000,000 | -- | -- | -- | -- | -- |
| Preferred Stock Shares Outstanding | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Preferred Stock Value | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Preferred Stock Par Or Stated Value Per Share | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | -- | -- | -- | -- | -- |
| Share Price | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |