Note 6 - Leases (Details Textual) - USD ($) |
9 Months Ended | ||||||
|---|---|---|---|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Jun. 30, 2025 |
Jul. 31, 2024 |
May 31, 2023 |
|||
| Finance Lease, Liability | $ 0 | $ 0 | |||||
| Operating Lease, Right-of-Use Asset | 910,000 | 1,061,000 | |||||
| Operating Lease, Liability | [1] | 1,121,000 | $ 1,122,000 | ||||
| Operating Lease, Payments | $ 100,000 | $ 700,000 | |||||
| Office Space in Berwyn, Pennsylvania [Member] | |||||||
| Operating Lease, Right-of-Use Asset | $ 500,000 | ||||||
| Operating Lease, Liability | $ 500,000 | ||||||
| Lessee, Operating Lease, Discount Rate | 12.30% | ||||||
| Principal Office Denver, Colorado [Member] | |||||||
| Operating Lease, Undiscounted Minimum Monthly Payment | $ 15,500 | ||||||
| Lessee, Operating Lease, Renewal Term (Year) | 5 years | ||||||
| |||||||