Note 8 - Common Stock Warrant Liabilities - Fair Value of Warrants Liabilities Measured Within Level 3 on Recurring Basis (Details) - Warrant [Member] - Fair Value, Inputs, Level 3 [Member] - Fair Value, Recurring [Member] - USD ($) $ in Thousands |
3 Months Ended | ||
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Sep. 30, 2024 |
Jun. 30, 2024 |
Mar. 31, 2024 |
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| Fair value of warrants outstanding | $ 47 | $ 413 | $ 586 |
| Change in fair value of warrants | (18) | (255) | 116 |
| Exercise of warrants | 0 | (111) | (289) |
| Fair value of warrants outstanding | 29 | 47 | 413 |
| October 2022 Warrants [Member] | |||
| Fair value of warrants outstanding | 47 | 413 | 426 |
| Change in fair value of warrants | (18) | (255) | (13) |
| Exercise of warrants | 0 | (111) | 0 |
| Fair value of warrants outstanding | 29 | 47 | 413 |
| January 2023 Warrants [Member] | |||
| Fair value of warrants outstanding | 0 | 0 | 160 |
| Change in fair value of warrants | 0 | 0 | 129 |
| Exercise of warrants | 0 | 0 | (289) |
| Fair value of warrants outstanding | $ 0 | $ 0 | $ 0 |
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- Definition Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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