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v3.23.1

Summary of Significant Accounting Policies (Details Narrative) - USD ($) |  | 12 Months Ended |
--- | --- | --- | ---
Jan. 04, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Subsequent Event [Line Items] |  |  |  |
Net loss |  | $ 20,884,000 | $ 58,013,000 |
Non-cash stock compensation |  | 7,700,000 |  |
Cash in Operating activities |  | 15,217,000 | 15,606,000 |
Cash and short term investments |  | 16,500,000 |  |
Investments and cash |  | 23,000,000.0 |  |
Cash and cash equivalents |  | 5,672,000 | 8,968,000 |
Short-term investments |  | 10,836,000 | 23,011,000 |
Derivative liability |  | 18,700 | $ 138,000 | $ 384,000
FDIC amount |  | 250,000 |  |
Decrease to additional paid-in capital |  | $ 4,500,000 |  |
Subsequent Event [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Cash on equity issuance | $ 6,500,000 |  |  |

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