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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cash and Cash Equivalents | $80,115,000.00 | $90,569,000.00 | $82,993,000.00 | $90,815,000.00 | $103,276,000.00 | $106,194,000.00 | $109,985,000.00 | $121,346,000.00 | $131,177,000.00 | $142,072,000.00 | $170,913,000.00 | $47,128,000.00 | -- | $59,112,000.00 | -- | -- | -- | -- |
| Accounts Receivable Net Current | $8,495,000.00 | $7,551,000.00 | $6,372,000.00 | $6,726,000.00 | $6,434,000.00 | $5,504,000.00 | $5,297,000.00 | $3,601,000.00 | $3,673,000.00 | $2,560,000.00 | $3,421,000.00 | $2,243,000.00 | -- | $1,281,000.00 | -- | -- | -- | -- |
| Inventory | $11,056,000.00 | $10,983,000.00 | $10,887,000.00 | $10,928,000.00 | $8,241,000.00 | $6,957,000.00 | $6,064,000.00 | $5,834,000.00 | $5,261,000.00 | $3,880,000.00 | $3,440,000.00 | $3,161,000.00 | -- | $3,343,000.00 | -- | -- | -- | -- |
| Prepaid Expenses and Other Current Assets | $2,656,000.00 | $2,987,000.00 | $3,345,000.00 | $3,543,000.00 | $2,631,000.00 | $4,223,000.00 | $3,066,000.00 | $1,155,000.00 | $2,090,000.00 | $2,585,000.00 | $2,923,000.00 | $1,684,000.00 | -- | $605,000.00 | -- | -- | -- | -- |
| Total Current Assets | $102,322,000.00 | $112,090,000.00 | $103,597,000.00 | $112,012,000.00 | $120,582,000.00 | $122,878,000.00 | $124,412,000.00 | $131,936,000.00 | $142,201,000.00 | $151,097,000.00 | $180,697,000.00 | $54,216,000.00 | -- | $64,341,000.00 | -- | -- | -- | -- |
| Property Plant and Equipement | $2,549,000.00 | $1,763,000.00 | $1,723,000.00 | $1,821,000.00 | $1,805,000.00 | $1,698,000.00 | $1,747,000.00 | $1,610,000.00 | $1,656,000.00 | $1,425,000.00 | $943,000.00 | $820,000.00 | -- | $410,000.00 | -- | -- | -- | -- |
| Intangible Assets Net | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Goodwill | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Other Assets | $26,000.00 | $27,000.00 | $26,000.00 | $27,000.00 | $27,000.00 | $27,000.00 | $26,000.00 | $26,000.00 | $26,000.00 | $26,000.00 | $67,000.00 | $26,000.00 | -- | $26,000.00 | -- | -- | -- | -- |
| Total Assets | $106,171,000.00 | $115,229,000.00 | $106,404,000.00 | $114,973,000.00 | $122,691,000.00 | $124,937,000.00 | $126,576,000.00 | $134,037,000.00 | $144,405,000.00 | $152,548,000.00 | $181,707,000.00 | $55,062,000.00 | -- | $64,777,000.00 | -- | -- | -- | -- |
| Accounts Payable | $2,608,000.00 | $1,884,000.00 | $1,133,000.00 | $2,933,000.00 | $1,996,000.00 | $1,719,000.00 | $1,276,000.00 | $608,000.00 | $1,607,000.00 | $510,000.00 | $541,000.00 | $888,000.00 | -- | $483,000.00 | -- | -- | -- | -- |
| Accrued Liabilities | $5,790,000.00 | $5,980,000.00 | $6,274,000.00 | $5,992,000.00 | $5,961,000.00 | $6,369,000.00 | $6,120,000.00 | $5,301,000.00 | $4,985,000.00 | $5,398,000.00 | $4,977,000.00 | $3,772,000.00 | -- | $3,583,000.00 | -- | -- | -- | -- |
| Total Current Liabilities | $39,910,000.00 | $39,282,000.00 | $23,577,000.00 | $25,009,000.00 | $23,049,000.00 | $15,757,000.00 | $8,332,000.00 | $6,891,000.00 | $7,602,000.00 | $6,589,000.00 | $25,943,000.00 | $44,010,000.00 | -- | $28,032,000.00 | -- | -- | -- | -- |
| Long Term Debt | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | $16,151,000.00 | $19,415,000.00 | -- | -- | -- | -- | -- | -- |
| Additional Paid-in Capital | $565,822,000.00 | $553,326,000.00 | $551,045,000.00 | $549,150,000.00 | $547,195,000.00 | $545,362,000.00 | $543,903,000.00 | $542,967,000.00 | $541,547,000.00 | $540,707,000.00 | $539,941,000.00 | $59,311,000.00 | -- | $58,624,000.00 | -- | -- | -- | -- |
| Accumulated Other Comprehensive Loss | $-210,000.00 | $-207,000.00 | $-208,000.00 | $-187,000.00 | $-204,000.00 | $-207,000.00 | $-219,000.00 | $-211,000.00 | $-204,000.00 | $-198,000.00 | $-197,000.00 | $-195,000.00 | -- | $-190,000.00 | -- | -- | -- | -- |
| Accumulated Deficit | $-499,567,000.00 | $-477,381,000.00 | $-468,218,000.00 | $-459,207,000.00 | $-447,556,000.00 | $-436,182,000.00 | $-425,646,000.00 | $-415,816,000.00 | $-404,745,000.00 | $-394,754,000.00 | $-384,184,000.00 | $-378,051,000.00 | -- | $-351,676,000.00 | -- | -- | -- | -- |
| Total Stockholders' Equity | $66,261,000.00 | $75,947,000.00 | $82,827,000.00 | $89,964,000.00 | $99,642,000.00 | $109,180,000.00 | $118,244,000.00 | $127,146,000.00 | $136,803,000.00 | $145,959,000.00 | $155,764,000.00 | $-318,931,000.00 | $-301,806,000.00 | $-293,238,000.00 | $-289,879,000.00 | $-286,480,000.00 | $-282,834,000.00 | $-279,043,000.00 |
| Controlling Interest in Subsidiaries | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Total Liabilities and Equity | $106,171,000.00 | $115,229,000.00 | $106,404,000.00 | $114,973,000.00 | $122,691,000.00 | $124,937,000.00 | $126,576,000.00 | $134,037,000.00 | $144,405,000.00 | $152,548,000.00 | $181,707,000.00 | $55,062,000.00 | -- | $64,777,000.00 | -- | -- | -- | -- |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total Revenues | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Cost of Revenues | $1,615,000.00 | $6,256,000.00 | $4,536,000.00 | $1,517,000.00 | $1,328,000.00 | $4,999,000.00 | $3,490,000.00 | $2,150,000.00 | $949,000.00 | $3,640,000.00 | $2,656,000.00 | $1,780,000.00 | -- | -- | $212,000.00 | $345,000.00 | -- | -- |
| Gross Profit | $9,155,000.00 | $33,039,000.00 | $23,454,000.00 | $14,634,000.00 | $6,651,000.00 | $17,470,000.00 | $4,846,000.00 | $6,957,000.00 | $3,127,000.00 | $9,396,000.00 | $6,722,000.00 | $4,203,000.00 | -- | -- | $785,000.00 | $905,000.00 | -- | -- |
| Research and Development | $3,057,000.00 | $11,633,000.00 | $9,392,000.00 | $6,696,000.00 | $3,416,000.00 | $9,952,000.00 | $6,906,000.00 | $2,355,000.00 | $2,258,000.00 | $7,501,000.00 | $5,704,000.00 | $4,005,000.00 | -- | -- | $1,500,000.00 | $2,131,000.00 | -- | -- |
| Selling, General, and Administrative | $28,330,000.00 | $64,509,000.00 | $47,504,000.00 | $31,852,000.00 | $15,397,000.00 | $50,045,000.00 | $35,945,000.00 | $12,489,000.00 | $10,777,000.00 | $27,863,000.00 | $18,198,000.00 | $10,087,000.00 | -- | -- | $6,455,000.00 | $1,834,000.00 | -- | -- |
| Total Operating Expenses | $31,387,000.00 | $76,142,000.00 | $56,896,000.00 | $19,735,000.00 | $18,813,000.00 | $59,997,000.00 | $14,972,000.00 | $14,844,000.00 | $13,035,000.00 | $35,364,000.00 | $23,902,000.00 | $14,092,000.00 | -- | -- | $3,827,000.00 | $3,965,000.00 | -- | -- |
| Loss from Operations | $-22,232,000.00 | $-43,103,000.00 | $-33,442,000.00 | $-11,752,000.00 | $-12,162,000.00 | $-42,527,000.00 | $-10,126,000.00 | $-20,922,000.00 | $-9,908,000.00 | $-25,968,000.00 | $-17,180,000.00 | $-9,889,000.00 | -- | -- | $-3,042,000.00 | $-3,060,000.00 | -- | -- |
| Loss Before Income Taxes | $-22,148,000.00 | $-41,052,000.00 | $-31,928,000.00 | $-22,957,000.00 | $-11,340,000.00 | $-41,319,000.00 | $-30,811,000.00 | $-11,048,000.00 | $-9,965,000.00 | $-42,987,000.00 | $-6,110,000.00 | $-26,332,000.00 | -- | -- | $-10,643,000.00 | $-3,645,000.00 | -- | -- |
| Earnings Per Share Basic | $-1.04 | $-1.99 | $-1.55 | $-1.11 | $-0.55 | $-2.02 | $-0.48 | $-1.03 | $-0.49 | -- | -- | $-72.58 | -- | -- | -- | $-18.06 | -- | -- |
| Weighted Average Shares Basic | 21,232,009 | 20,754,375 | 20,730,024 | 20,711,850 | 20,693,224 | 20,532,838 | 20,576,838 | 20,479,427 | 20,453,341 | -- | -- | 363,397 | -- | -- | -- | 414,225 | -- | -- |
| Earnings Per Share Diluted | $-1.04 | $-1.99 | $-1.55 | $-0.56 | $-0.55 | $-2.02 | $-1.51 | $-0.49 | $-0.49 | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Weighted Average Shares Diluted | 21,232,009 | 20,754,375 | 20,730,024 | 20,702,589 | 20,693,224 | 20,532,838 | 20,512,254 | 20,453,341 | 20,453,341 | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Common Stock Shares Authorized | 200,000,000 | 200,000,000 | 200,000,000 | 200,000,000 | 200,000,000 | 200,000,000 | 200,000,000 | 200,000,000 | 200,000,000 | 200,000,000 | 200,000,000 | 625,217,795 | -- | 625,217,795 | -- | -- | -- | -- |
| Common Stock Shares Outstanding | 21,593,173 | 20,879,199 | 20,813,612 | 20,750,910 | 20,708,940 | 20,633,736 | 20,578,963 | 20,576,149 | 20,486,971 | 20,399,337 | 20,351,779 | 366,342 | -- | 360,412 | -- | -- | -- | -- |
| Common Stock Value | $216,000.00 | $209,000.00 | $208,000.00 | $208,000.00 | $207,000.00 | $207,000.00 | $206,000.00 | $206,000.00 | $205,000.00 | $204,000.00 | $204,000.00 | $4,000.00 | -- | $4,000.00 | -- | -- | -- | -- |
| Common Stock Par Or Stated Value Per Share | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | -- | $0.01 | -- | -- | -- | -- |
| Payments Of Dividends Common Stock | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Preferred Stock Shares Authorized | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Preferred Stock Shares Outstanding | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Preferred Stock Value | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Preferred Stock Par Or Stated Value Per Share | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Share Price | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |