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| Date | 3/31/2024 | 12/31/2023 | 9/30/2023 | 6/30/2023 | 3/31/2023 | 12/31/2022 | 9/30/2022 | 6/30/2022 | 3/31/2022 | 12/31/2021 | 9/30/2021 | 6/30/2021 | 3/31/2021 | 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 | 12/31/2017 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cash and Cash Equivalents | $47,654,000.00 | $37,706,000.00 | $52,057,000.00 | $68,209,000.00 | $142,942,000.00 | $108,297,000.00 | $99,850,000.00 | $87,090,000.00 | $115,772,000.00 | $172,467,000.00 | $176,641,000.00 | $189,423,000.00 | $208,783,000.00 | $361,422,000.00 | $373,150,000.00 | -- | -- | $73,278,000.00 | -- | -- | -- | -- | -- |
| Accounts Receivable Net Current | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Inventory | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Prepaid Expenses and Other Current Assets | $3,699,000.00 | $3,530,000.00 | $2,556,000.00 | $2,504,000.00 | $3,022,000.00 | $5,130,000.00 | $5,497,000.00 | $3,609,000.00 | $4,225,000.00 | $3,301,000.00 | $5,082,000.00 | $3,909,000.00 | $3,464,000.00 | $3,339,000.00 | $522,000.00 | -- | -- | $607,000.00 | -- | -- | -- | -- | -- |
| Total Current Assets | $202,460,000.00 | $207,409,000.00 | $205,296,000.00 | $190,413,000.00 | $233,278,000.00 | $247,006,000.00 | $265,176,000.00 | $281,865,000.00 | $288,040,000.00 | $301,286,000.00 | $313,555,000.00 | $323,080,000.00 | $334,953,000.00 | $364,761,000.00 | $373,672,000.00 | -- | -- | $102,093,000.00 | -- | -- | -- | -- | -- |
| Property Plant and Equipement | $10,903,000.00 | $10,666,000.00 | $10,822,000.00 | $11,136,000.00 | $11,238,000.00 | $10,955,000.00 | $9,966,000.00 | $8,721,000.00 | $5,238,000.00 | $3,090,000.00 | $1,394,000.00 | $1,253,000.00 | $697,000.00 | $569,000.00 | $573,000.00 | -- | -- | $739,000.00 | -- | -- | -- | -- | -- |
| Intangible Assets Net | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Goodwill | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Other Assets | $182,000.00 | $190,000.00 | $180,000.00 | $181,000.00 | $314,000.00 | $313,000.00 | $307,000.00 | $308,000.00 | $221,000.00 | $221,000.00 | $218,000.00 | $201,000.00 | $1,024,000.00 | $201,000.00 | $201,000.00 | -- | -- | $201,000.00 | -- | -- | -- | -- | -- |
| Total Assets | $236,876,000.00 | $252,152,000.00 | $261,027,000.00 | $242,216,000.00 | $253,960,000.00 | $270,308,000.00 | $284,984,000.00 | $300,564,000.00 | $315,008,000.00 | $331,568,000.00 | $344,178,000.00 | $355,910,000.00 | $354,393,000.00 | $365,531,000.00 | $374,446,000.00 | -- | -- | $103,033,000.00 | -- | -- | -- | -- | -- |
| Accounts Payable | $859,000.00 | $3,237,000.00 | $1,678,000.00 | $3,489,000.00 | $1,774,000.00 | $2,996,000.00 | $4,826,000.00 | $3,348,000.00 | $4,864,000.00 | $3,189,000.00 | $1,278,000.00 | $2,369,000.00 | $1,252,000.00 | $1,607,000.00 | $548,000.00 | -- | -- | $2,837,000.00 | -- | -- | -- | -- | -- |
| Accrued Liabilities | $10,319,000.00 | $9,940,000.00 | $9,038,000.00 | $7,940,000.00 | $8,535,000.00 | $7,308,000.00 | $6,436,000.00 | $7,652,000.00 | $6,563,000.00 | $8,627,000.00 | $6,740,000.00 | $4,458,000.00 | $3,878,000.00 | $4,803,000.00 | $4,928,000.00 | -- | -- | $1,686,000.00 | -- | -- | -- | -- | -- |
| Total Current Liabilities | $24,200,000.00 | $26,463,000.00 | $23,415,000.00 | $24,407,000.00 | $23,787,000.00 | $24,280,000.00 | $23,791,000.00 | $23,594,000.00 | $23,165,000.00 | $23,009,000.00 | $19,230,000.00 | $18,063,000.00 | $6,098,000.00 | $6,410,000.00 | $5,476,000.00 | -- | -- | $4,574,000.00 | -- | -- | -- | -- | -- |
| Long Term Debt | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Additional Paid-in Capital | $538,078,000.00 | $535,468,000.00 | $532,214,000.00 | $495,744,000.00 | $490,460,000.00 | $487,516,000.00 | $483,916,000.00 | $481,462,000.00 | $478,668,000.00 | $476,363,000.00 | $474,301,000.00 | $472,196,000.00 | $469,790,000.00 | $469,001,000.00 | $468,396,000.00 | -- | -- | $4,969,000.00 | -- | -- | -- | -- | -- |
| Accumulated Other Comprehensive Loss | $-129,000.00 | $224,000.00 | $-355,000.00 | $-328,000.00 | $-116,000.00 | $-445,000.00 | $-1,025,000.00 | $-1,023,000.00 | $-666,000.00 | $-78,000.00 | $14,000.00 | $7,000.00 | $-13,000.00 | -- | -- | -- | -- | $-3,000.00 | -- | -- | -- | -- | -- |
| Accumulated Deficit | $-325,273,000.00 | $-310,003,000.00 | $-294,247,000.00 | $-277,607,000.00 | $-260,171,000.00 | $-241,043,000.00 | $-221,698,000.00 | $-203,469,000.00 | $-186,159,000.00 | $-167,726,000.00 | $-149,367,000.00 | $-134,356,000.00 | $-121,482,000.00 | $-109,880,000.00 | $-99,426,000.00 | -- | -- | $-75,440,000.00 | -- | -- | -- | -- | -- |
| Total Stockholders' Equity | $212,676,000.00 | $225,689,000.00 | $237,612,000.00 | $217,809,000.00 | $230,173,000.00 | $246,028,000.00 | $261,193,000.00 | $276,970,000.00 | $291,843,000.00 | $308,559,000.00 | $324,948,000.00 | $337,847,000.00 | $348,295,000.00 | $359,121,000.00 | $368,970,000.00 | $-85,009,000.00 | $-77,513,000.00 | $-70,474,000.00 | $-63,662,000.00 | $-57,724,000.00 | $-51,920,000.00 | $-46,140,000.00 | $-29,733,000.00 |
| Controlling Interest in Subsidiaries | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Total Liabilities and Equity | $236,876,000.00 | $252,152,000.00 | $261,027,000.00 | $242,216,000.00 | $253,960,000.00 | $270,308,000.00 | $284,984,000.00 | $300,564,000.00 | $315,008,000.00 | $331,568,000.00 | $344,178,000.00 | $355,910,000.00 | $354,393,000.00 | $365,531,000.00 | $374,446,000.00 | -- | -- | $103,033,000.00 | -- | -- | -- | -- | -- |
| Date | 3/31/2024 | 12/31/2023 | 9/30/2023 | 6/30/2023 | 3/31/2023 | 12/31/2022 | 9/30/2022 | 6/30/2022 | 3/31/2022 | 12/31/2021 | 9/30/2021 | 6/30/2021 | 3/31/2021 | 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 | 12/31/2017 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total Revenues | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Cost of Revenues | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Gross Profit | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Research and Development | $13,186,000.00 | $55,885,000.00 | $13,586,000.00 | $13,843,000.00 | $15,073,000.00 | $51,988,000.00 | $36,963,000.00 | $11,462,000.00 | $11,836,000.00 | $36,493,000.00 | $24,326,000.00 | $15,163,000.00 | $7,500,000.00 | $23,933,000.00 | $17,752,000.00 | -- | -- | $20,759,000.00 | $15,060,000.00 | -- | -- | $13,853,000.00 | -- |
| Selling, General, and Administrative | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Total Operating Expenses | $18,221,000.00 | $80,132,000.00 | $19,628,000.00 | $41,602,000.00 | $21,480,000.00 | $77,040,000.00 | $55,878,000.00 | $36,503,000.00 | $18,619,000.00 | $58,293,000.00 | $39,821,000.00 | $24,723,000.00 | $11,674,000.00 | $34,942,000.00 | $24,441,000.00 | -- | -- | $26,637,000.00 | $19,282,000.00 | -- | -- | $18,892,000.00 | -- |
| Loss from Operations | $-18,221,000.00 | $-80,132,000.00 | $-19,628,000.00 | $-41,602,000.00 | $-21,480,000.00 | $-77,040,000.00 | $-19,375,000.00 | $-17,885,000.00 | $-18,619,000.00 | $-58,293,000.00 | $-39,821,000.00 | $-24,723,000.00 | $-11,674,000.00 | $-34,942,000.00 | $-24,441,000.00 | -- | -- | $-26,637,000.00 | $-19,282,000.00 | -- | -- | $-18,892,000.00 | -- |
| Loss Before Income Taxes | $-15,270,000.00 | $-68,958,000.00 | $-53,201,000.00 | $-36,560,000.00 | $-19,128,000.00 | $-73,326,000.00 | $-53,981,000.00 | $-35,743,000.00 | $-18,431,000.00 | $-57,823,000.00 | $-39,464,000.00 | $-24,472,000.00 | $-11,598,000.00 | $-34,434,000.00 | $-23,981,000.00 | -- | -- | $-25,344,000.00 | $-18,297,000.00 | -- | -- | $-17,535,000.00 | -- |
| Earnings Per Share Basic | $-0.30 | $-1.44 | $-1.13 | $-0.80 | $-0.42 | $-1.61 | $-0.40 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Weighted Average Shares Basic | 51,445,862 | 48,014,645 | 46,889,921 | 45,793,355 | 45,773,357 | 45,594,824 | 45,622,957 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Earnings Per Share Diluted | $-0.30 | $-1.44 | $-1.13 | $-0.80 | $-0.42 | $-1.61 | $-0.40 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Weighted Average Shares Diluted | 51,445,862 | 48,014,645 | 46,889,921 | 45,793,355 | 45,773,357 | 45,594,824 | 45,622,957 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Common Stock Shares Authorized | 1,000,000,000 | 1,000,000,000 | 1,000,000,000 | 1,000,000,000 | 1,000,000,000 | 1,000,000,000 | 1,000,000,000 | 1,000,000,000 | 1,000,000,000 | 1,000,000,000 | 1,000,000,000 | 1,000,000,000 | 1,000,000,000 | 1,000,000,000 | 1,000,000,000 | -- | -- | 33,250,829 | -- | -- | -- | -- | -- |
| Common Stock Shares Outstanding | 51,445,862 | 51,445,862 | 51,157,636 | 46,143,536 | 45,774,761 | 45,771,332 | 45,624,860 | 45,622,610 | 45,532,392 | 45,433,684 | 45,352,207 | 45,213,567 | 44,881,169 | 44,777,818 | 44,773,748 | -- | -- | 3,046,200 | -- | -- | -- | -- | -- |
| Common Stock Value | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Common Stock Par Or Stated Value Per Share | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Payments Of Dividends Common Stock | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Preferred Stock Shares Authorized | 5,000,000 | 5,000,000 | 5,000,000 | 5,000,000 | 5,000,000 | 5,000,000 | 5,000,000 | 5,000,000 | 5,000,000 | 5,000,000 | 5,000,000 | 5,000,000 | 5,000,000 | 5,000,000 | 5,000,000 | -- | -- | -- | -- | -- | -- | -- | -- |
| Preferred Stock Shares Outstanding | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Preferred Stock Value | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Preferred Stock Par Or Stated Value Per Share | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Share Price | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |