Note 12 - Leases (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Mar. 31, 2025 |
Dec. 01, 2025 |
Sep. 30, 2025 |
|
| Operating Lease, Right-of-Use Asset | $ 488 | $ 134 | |||
| Sublease Amount, Monthly | $ 6 | ||||
| Operating Lease, Payments | $ 31 | $ 37 | |||
| Operating Lease, Weighted Average Remaining Lease Term (Year) | 4 years 7 months 6 days | ||||
| Operating Lease, Weighted Average Discount Rate, Percent | 11.00% | ||||
| Revision of Prior Period, Adjustment [Member] | |||||
| Operating Lease, Right-of-Use Asset | $ 100 | ||||
| Garden City, New York Lease [Member] | |||||
| Operating Lease, Monthly Payment | $ 7 | ||||