Notes Payable (Details Narrative) $ in Thousands | | | 3 Months Ended | 12 Months Ended | |
Dec. 19, 2023 USD ($) | Sep. 12, 2022 USD ($) | Mar. 31, 2024 USD ($) $ / shares shares | Mar. 31, 2023 USD ($) | Dec. 31, 2023 USD ($) $ / shares | Dec. 31, 2022 USD ($) |
Short-Term Debt [Line Items] | | | | | | |
Accretion of debt discount | | | $ 54 | $ 123 | | |
Fair value of derivative liability | | | 2,676 | 4,570 | $ 3,344 | $ 3,223 |
Change in fair value of derivative warrant liability | | | 384 | (1,347) | (249) | |
Fair value of derivative liability | | | 4,147 | | 4,253 | |
Loss in change in fair value of derivative warrant liability | | | 106 | (1,696) | $ 2,685 | |
Gain loss on settlement of derivative | | | $ 0 | $ 169 | | |
Warrant Derivative Liabilities [Member] | Measurement Input, Share Price [Member] | | | | | | |
Short-Term Debt [Line Items] | | | | | | |
Share price | $ / shares | | | $ 0.003 | | $ 0.003 | |
Warrant Derivative Liabilities Other than Warrants [Member] | Measurement Input, Exercise Price [Member] | Minimum [Member] | | | | | | |
Short-Term Debt [Line Items] | | | | | | |
Derivative liability measurement input | $ / shares | | | 0.004 | | 0.03 | |
Warrant Derivative Liabilities Other than Warrants [Member] | Measurement Input, Exercise Price [Member] | Maximum [Member] | | | | | | |
Short-Term Debt [Line Items] | | | | | | |
Derivative liability measurement input | $ / shares | | | 0.14 | | 0.12 | |
Warrant Derivative Liabilities Other than Warrants [Member] | Measurement Input, Discount Rate [Member] | Minimum [Member] | | | | | | |
Short-Term Debt [Line Items] | | | | | | |
Derivative liabilities measurement input term | | | 1 year 11 months 4 days | | 2 years 18 days | |
Warrant Derivative Liabilities Other than Warrants [Member] | Measurement Input, Expected Term [Member] | Maximum [Member] | | | | | | |
Short-Term Debt [Line Items] | | | | | | |
Derivative liabilities measurement input term | | | 2 years 11 months 4 days | | 2 years 6 months 21 days | |
Warrant Derivative Liabilities Other than Warrants [Member] | Measurement Input, Expected Dividend Rate [Member] | | | | | | |
Short-Term Debt [Line Items] | | | | | | |
Derivative liability measurement input | | | 0 | | 0 | |
Warrant Derivative Liabilities Other than Warrants [Member] | Measurement Input, Risk Free Interest Rate [Member] | Minimum [Member] | | | | | | |
Short-Term Debt [Line Items] | | | | | | |
Derivative liability measurement input | | | 4.40 | | 4.01 | |
Warrant Derivative Liabilities Other than Warrants [Member] | Measurement Input, Risk Free Interest Rate [Member] | Maximum [Member] | | | | | | |
Short-Term Debt [Line Items] | | | | | | |
Derivative liability measurement input | | | 4.59 | | 4.23 | |
Warrant Derivative Liabilities Other than Warrants [Member] | Measurement Input, Price Volatility [Member] | Minimum [Member] | | | | | | |
Short-Term Debt [Line Items] | | | | | | |
Derivative liability measurement input | | | 283.3 | | 157.7 | |
Warrant Derivative Liabilities Other than Warrants [Member] | Measurement Input, Price Volatility [Member] | Maximum [Member] | | | | | | |
Short-Term Debt [Line Items] | | | | | | |
Derivative liability measurement input | | | 334.6 | | 312.4 | |
Series X Warrant [Member] | | | | | | |
Short-Term Debt [Line Items] | | | | | | |
Debt instrument, description | Series X Warrant, the lower of $0.02 and 120% of the closing price on the date of issuance | | | | | |
Series Y Warrant [Member] | | | | | | |
Short-Term Debt [Line Items] | | | | | | |
Debt instrument, description | Series Y Warrant, the lower of $0.04 and 150% of the closing price on the date of issuance | | | | | |
Series Z Warrant [Member] | | | | | | |
Short-Term Debt [Line Items] | | | | | | |
Debt instrument, description | Series Z Warrant, the lower of $0.06 and 200% of the closing price on the date of issuance | | | | | |
Warrant [Member] | | | | | | |
Short-Term Debt [Line Items] | | | | | | |
Debt instrument debt conversion, shares | shares | | | 154,800,000 | | | |
Debt instrument, conversion ratio | 0.60 | | | | | |
Change in fair value of derivative warrant liability | | | | | $ (231) | |
Warrant [Member] | Minimum [Member] | | | | | | |
Short-Term Debt [Line Items] | | | | | | |
Share price | $ / shares | | | $ 0.0025 | | $ 0.007 | |
Warrant [Member] | Maximum [Member] | | | | | | |
Short-Term Debt [Line Items] | | | | | | |
Share price | $ / shares | | | 0.0046 | | 0.019 | |
Warrant [Member] | Measurement Input, Share Price [Member] | | | | | | |
Short-Term Debt [Line Items] | | | | | | |
Share price | $ / shares | | | $ 0.003 | | $ 0.004 | |
Warrant [Member] | Measurement Input, Expected Term [Member] | | | | | | |
Short-Term Debt [Line Items] | | | | | | |
Derivative liabilities measurement input term | | | 1 year 5 months 12 days | | 1 year 8 months 12 days | |
Warrant [Member] | Measurement Input, Expected Dividend Rate [Member] | | | | | | |
Short-Term Debt [Line Items] | | | | | | |
Derivative liability measurement input | | | 0 | | 0 | |
Warrant [Member] | Measurement Input, Risk Free Interest Rate [Member] | | | | | | |
Short-Term Debt [Line Items] | | | | | | |
Derivative liability measurement input | | | 4.81 | | 4.23 | |
Warrant [Member] | Measurement Input, Price Volatility [Member] | | | | | | |
Short-Term Debt [Line Items] | | | | | | |
Derivative liability measurement input | | | 374.27 | | 344.4 | |
September 2022 Note [Member] | | | | | | |
Short-Term Debt [Line Items] | | | | | | |
Proceeds from notes payable | | $ 1,335 | | | | |
Principal amount | | 1,500 | | | | |
Original issue discount | | $ 165 | | | | |
Convertible outstanding shares percentage | | 30% | | | | |
Maturity date | | Dec. 31, 2023 | | | | |
Interest rate | | 6% | | | | |
Percentage of other accrued amounts outstanding | | 110% | | | | |
Interest rate increasing | | 12% | | | | |
Debt instrument debt discount | | $ 1,500 | | | | |
Non-cash interest as accretion of debt discount | | $ 5,324 | | | | |
Accretion of debt discount | | | $ 123 | | | |
December 2023 Note [Member] | | | | | | |
Short-Term Debt [Line Items] | | | | | | |
Principal amount | $ 1,579 | | | | | |
Original issue discount | $ 257 | | | | | |
Convertible outstanding shares percentage | 40% | | | | | |
Maturity date | Dec. 31, 2024 | | | | | |
Interest rate | 6% | | | | | |
Debt instrument debt discount | | | 284 | | | |
Accretion of debt discount | | | 54 | | $ 7 | |
Debt instrument debt converted | | | $ 137 | | | |
Debt instrument debt conversion, shares | shares | | | 86,000,000 | | | |
Debt instrument debt converted, fair value of shares | | | $ 294 | | | |
Fair value of derivative liability | | | 21 | | | |
Gain on debt settlement | | | $ 106 | | | |