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v3.23.1

Debt - Streeterville Notes (Details) $ in Thousands |  |  |  | 3 Months Ended | 12 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 31, 2023 USD ($) shares | Apr. 21, 2022 USD ($) | Apr. 27, 2021 USD ($) deferral | Mar. 31, 2023 USD ($) | Dec. 31, 2021 USD ($) | Dec. 01, 2024 USD ($) | Jan. 01, 2024 USD ($) | Jul. 14, 2023 USD ($) | Jan. 20, 2023 USD ($) | Dec. 31, 2022 USD ($)
2022 Streeterville Note |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Principal amount |  | $ 2,000 |  |  |  |  |  |  | $ 500 |
Issue discount |  | 215 |  |  |  |  |  |  |  |
Purchase price |  | 1,800 |  |  |  |  |  |  |  |
Unamortized debt issuance costs |  | $ 15 |  |  |  |  |  |  |  |
Interest rate |  | 8.00% |  |  |  |  |  |  |  |
Debt instrument, tranche amount | $ 125 |  |  | $ 125 |  |  |  |  |  |
Percentage increase if delisted from Nasdaq |  |  |  | 15.00% |  |  |  |  |  |
2022 Streeterville Note | Scenario, Forecast |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  | $ 117 | $ 250 |  |
March 2023 Partitioned Note |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt instrument, tranche amount | $ 125 |  |  | $ 125 |  |  |  |  |  |
Conversion of notes to stock (in shares) | shares | 502,008 |  |  |  |  |  |  |  |  |
March 2023 Partitioned Note | Scenario, Forecast |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  |  | $ 250 |  |
Debt instrument, tranche amount |  |  |  |  |  | $ 125 |  |  |  |
Streeterville Note Purchase Agreement |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Total liability, net of discount and financing fees | $ 1,300 |  |  | $ 1,300 |  |  |  |  |  | $ 2,000
2021 Streeterville Note |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Principal amount |  |  | $ 1,700 |  |  |  |  |  |  |
Issue discount |  |  | 194 |  |  |  |  |  |  | $ 305
Purchase price |  |  | 1,500 |  |  |  |  |  |  |
Unamortized debt issuance costs |  |  | $ 15 |  |  |  |  |  |  |
Interest rate |  |  | 8.00% |  |  |  |  |  |  |
Maximum redemption amount |  |  | $ 205 |  |  |  |  |  |  |
Right to defer mandatory redemption, number of deferrals | deferral |  |  | 3 |  |  |  |  |  |  |
Percentage increase due to deferral of redemption option |  |  | 1.50% |  |  |  |  |  |  |
Write off of remaining issuance costs |  |  |  |  | $ 100 |  |  |  |  |

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