Note 8 - Fair Value Measurements (Details Textual) - USD ($) $ in Thousands |
1 Months Ended | 3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|---|
Nov. 04, 2025 |
Mar. 31, 2026 |
Mar. 31, 2026 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Oct. 27, 2025 |
|
| Derivative Liability, Current | $ 2,200 | $ 7,000 | ||||
| Proceeds from Issuance of Debt | $ 15,000 | $ 0 | ||||
| Lytton Agreement [Member] | ||||||
| Derivative Liability, Current | $ 7,000 | |||||
| Derivative Liability Reclassified to APIC for Settlement of Funding Fee Shares | $ 1,900 | $ 1,800 | ||||
| Proceeds from Issuance of Debt | $ 15,000 | $ 15,000 | $ 30,000 | |||
| Derivative Liability, Shares Issuable per Million of Principal Funded (in shares) | 25,000 | |||||