Note 12 - Subsequent Events (Details Textual) - Subsequent Event [Member] - USD ($) $ / shares in Units, $ in Thousands |
May 15, 2025 |
Apr. 15, 2025 |
|---|---|---|
| Proceeds from Issuance of Private Placement | $ 4,025 | |
| May 2025 Prefunded Warrants [Member] | ||
| Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) | 1,829,956 | |
| Class of Warrant or Right, Purchase Price (in dollars per share) | $ 2.1995 | |
| Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ 0.0005 | |
| May Common Stock Warrants [Member] | ||
| Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) | 1,829,956 | |
| Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ 2.2 | |
| Warrants and Rights Outstanding, Term (Year) | 3 years | |
| Sublease Amendment [Member] | ||
| Reduction in Subleased Premises, Percent | 42.00% | |
| Reduction in Sublease Monthly Rental Payments, Percentage | 54.00% | |
| Sublease Term Extension, Period (Year) | 4 years |