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Equity Offerings (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands |  | 3 Months Ended |  |
--- | --- | --- | --- | ---
Jan. 09, 2023 | Mar. 31, 2023 | Mar. 31, 2024 | Dec. 31, 2023
Common stock, weighted average exercise price | $ 3.00 |  |  |
Accrued expenses |  |  | $ 1,640 | $ 1,733
Incremental fair value of the repriced warrants | $ 300 |  |  |
Aggregate purchase price | 8,000 |  |  |
Fair value of Series E warrant | $ 1,900 |  |  |
Weighted average exercise price |  |  | $ 5.31 |
Deemed dividend amount |  | $ 800 |  |
2022 Offering [Member] |  |  |  |
Accrued expenses |  |  | $ 1,400 |
Common Stocks | At The Market Offerings. |  |  |  |
Class Of Warrant Or Right Exercise Price Of Warrants Or Rights | $ 4.00 |  |  |
Stock Issued During Period Shares New Issues | 331,608 |  |  |
Net proceeds | $ 1,100 |  |  |
Series A Warrants [Member] |  |  |  |
Class Of Warrant Or Right Exercise Price Of Warrants Or Rights | $ 3.00 |  |  |
Proceeds From Issuance Of Common Stock | $ 900 |  |  |
Payments Of Stock Issuance Costs | $ 1,000 |  |  |
Percentage of shares exercised beneficially | 4.99% |  |  |
Percentage of shares exercised | 9.99% |  |  |
Par value | $ 0.0001 |  |  |
Series B Warrants [Member] |  |  |  |
Class Of Warrant Or Right Exercise Price Of Warrants Or Rights | $ 3.00 |  |  |
Proceeds From Issuance Of Common Stock | $ 7,100 |  |  |
Payments Of Stock Issuance Costs | $ 1,000 |  |  |
Stock issued during period, warrants exercised | 7,203,000 |  |  |
Series A convertible preferred stock [Member] | Private Placement [Member] | Securities Purchase AgreeMent [Member] |  |  |  |
Stock Issued During Period Shares New Issues | 497,908 |  |  |
Series A convertible preferred stock [Member] | Private Placement [Member] | Securities Purchase AgreeMent Class B [Member] |  |  |  |
Stock Issued During Period Shares New Issues | 4,501,060 |  |  |
Series F and Series G Warrants. | Private Placement [Member] |  |  |  |
Valuation of warrants | $ 5,500 |  |  |
Warrant Repricing [Member] |  |  |  |
Class Of Warrant Or Right Exercise Price Of Warrants Or Rights | $ 4.00 |  |  |
Proceeds From Issuance Of Common Stock | $ 1,300 |  |  |
Fee withheld | $ 200 |  |  |
Stock issued during period, warrants exercised | 331,608,000 |  |  |
Series E Warrants [Member] |  |  |  |
Repriced warrants | $ 1,900 |  |  |
Existing warrants. | Minimum [Member] | Warrant inducement offer. |  |  |  |
Class Of Warrant Or Right Exercise Price Of Warrants Or Rights | $ 14.00 |  |  |
Existing warrants. | Maximum [Member] | Warrant inducement offer. |  |  |  |
Class Of Warrant Or Right Exercise Price Of Warrants Or Rights | $ 526.50 |  |  |

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