Note 5 - Fair Value Measurements - Schedule of Fair Value Measurement Inputs and Valuation Techniques (Details) - Convertible Notes [Member] $ in Thousands |
Jun. 30, 2025
USD ($)
|
|---|---|
| Debt Instrument, Face Amount | $ 2,289 |
| Measurement Input, Strike Price [Member] | |
| Debt Instrument, Measurement Input | 3.01 |
| Measurement Input, Share Price [Member] | |
| Debt Instrument, Measurement Input | 2 |
| Measurement Input, Expected Term [Member] | |
| Debt Instrument, Measurement Input | 3.8 |
| Measurement Input, Price Volatility [Member] | |
| Debt Instrument, Measurement Input | 0.79 |
| Measurement Input, Risk Free Interest Rate [Member] | |
| Debt Instrument, Measurement Input | 0.038 |
| Measurement Input, Discount Rate [Member] | |
| Debt Instrument, Measurement Input | 0.164 |