Note 5 - Fair Value Measurements - Schedule of Fair Value Measurement Inputs and Valuation Techniques (Details) - Convertible Notes [Member] $ in Thousands |
Mar. 31, 2025
USD ($)
|
Dec. 31, 2024
USD ($)
|
|---|---|---|
| Debt Instrument, Face Amount | $ 2,217 | $ 2,217 |
| Measurement Input, Strike Price [Member] | ||
| Debt Instrument, Measurement Input | 3.01 | |
| Measurement Input, Share Price [Member] | ||
| Debt Instrument, Measurement Input | 2.18 | |
| Measurement Input, Expected Term [Member] | ||
| Debt Instrument, Measurement Input | 4 | |
| Measurement Input, Price Volatility [Member] | ||
| Debt Instrument, Measurement Input | 0.79 | |
| Measurement Input, Risk Free Interest Rate [Member] | ||
| Debt Instrument, Measurement Input | 0.04 | |
| Measurement Input, Discount Rate [Member] | ||
| Debt Instrument, Measurement Input | 0.117 |