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Commitments and Contingencies (Details Narrative) - USD ($) |  |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | ---
May 13, 2022 | Mar. 26, 2021 | Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Loss Contingencies [Line Items] |  |  |  |  |  |
Monetary damages estimated amount | $ 370,000 |  |  |  |  |
Project fees |  |  |  |  | $ 2,100,000 |
Research and development expense |  |  | $ 2,095,000 | $ 1,139,000 | 3,745,000 | $ 3,226,000
Research and Development Expense (Excluding Acquired in Process Cost) |  |  |  |  | 2,100,000 |
Scientific Research Agreement [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Research and development expense |  |  | 192,000 | $ 383,000 | 192,000 | $ 383,000
2016 Patent Exclusive License Agreement [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Research and development expense |  |  |  |  | 0 |
Proceeds from upfront amount |  |  | $ 200,000 |  | 200,000 |
Maintenance fee |  |  |  |  | 100,000 |
Performance milestone payments |  |  |  |  | 3,100,000 |
Sales milestone payments |  |  |  |  | 1,000,000.0 |
Gross sales |  |  |  |  | 250,000,000 |
Sales revenue |  |  |  |  | 5,000,000.0 |
Cumulative gross sales |  |  |  |  | $ 500,000,000 |
2016 Patent Exclusive License Agreement [Member] | Minimum [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Net sales percentage |  |  |  |  | 4.00% |
Annual royalty payments |  |  |  |  | $ 250,000 |
2016 Patent Exclusive License Agreement [Member] | Maximum [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Net sales percentage |  |  |  |  | 6.00% |
Annual royalty payments |  |  |  |  | $ 5,000,000.0 |
2021 Patent License Agreement [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Research and development expense |  |  |  |  | $ 0 |
Maintenance fee |  | $ 2,000,000.0 |  |  |  |
Annual royalty payments |  | 250 |  |  |  |
Performance milestone payments |  | 3,100,000 |  |  |  |
Sales milestone payments |  | 1,000,000.0 |  |  |  |
Gross sales |  | 250,000,000 |  |  |  |
Sales revenue |  | 5,000,000.0 |  |  |  |
Cumulative gross sales |  | 500,000,000 |  |  |  |
Upfront license fee |  | 20,000,000 |  |  |  |
License maintenance fee, receivable |  | $ 5,000 |  |  |  |
2021 Patent License Agreement [Member] | Minimum [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Net sales percentage |  | 2.50% |  |  |  |
2021 Patent License Agreement [Member] | Maximum [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Net sales percentage |  | 5.00% |  |  |  |

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