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v3.25.2

Note 15 - Subsequent Events (Details Textual) - USD ($) $ / shares in Units, $ in Thousands |  |  |  | 6 Months Ended |
--- | --- | --- | --- | --- | ---
Jul. 18, 2025 | Jul. 11, 2024 | May 10, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | May 14, 2024
Proceeds from Issuance or Sale of Equity |  |  |  | $ 0 | $ 3,351 |
Securities Purchase Agreement [Member] |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) |  |  | 1,065,000 |  |  |
Shares Issued, Price Per Share (in dollars per share) |  |  | $ 2.15 |  |  |
Proceeds from Issuance or Sale of Equity |  | $ 3,400 |  |  |  |
Securities Purchase Agreement [Member] | Unregistered Warrants [Member] |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) |  |  |  |  |  | $ 2.34
Securities Purchase Agreement [Member] | Subsequent Event [Member] |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) | 1,612,903 |  |  |  |  |
Shares Issued, Price Per Share (in dollars per share) | $ 0.93 |  |  |  |  |
Sale of Stock, Ownership Limitation on Sale of Shares, Percent | 19.90% |  |  |  |  |
Sale of Stock, Service Fee, Percentage of Gross Proceeds | 6.50% |  |  |  |  |
Securities Purchase Agreement [Member] | Subsequent Event [Member] | Unregistered Warrants [Member] |  |  |  |  |  |
Proceeds from Issuance or Sale of Equity | $ 1,500 |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ 1.2 |  |  |  |  |
Warrants and Rights Outstanding, Term (Year) | 5 years |  |  |  |  |

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