Note 6 - Leases (Details Textual) - USD ($) |
1 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|
Mar. 31, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Jul. 31, 2024 |
Jun. 30, 2024 |
May 31, 2023 |
|||
| Finance Lease, Liability | $ 0 | $ 0 | ||||||
| Operating Lease, Right-of-Use Asset | 857,000 | 1,061,000 | ||||||
| Operating Lease, Liability | [1] | $ 1,074,000 | $ 1,122,000 | |||||
| Principal Office Denver, Colorado [Member] | ||||||||
| Lessee, Operating Lease, Renewal Term (Year) | 5 years | |||||||
| Operating Lease, Undiscounted Minimum Monthly Payment | $ 15,500 | |||||||
| Office Space in Berwyn, Pennsylvania [Member] | ||||||||
| Lessee, Operating Lease, Renewal Term (Year) | 5 years | |||||||
| Operating Lease, Right-of-Use Asset | $ 500,000 | |||||||
| Operating Lease, Liability | $ 500,000 | |||||||
| Lessee, Operating Lease, Discount Rate | 12.30% | |||||||
| Operating Lease, Undiscounted Minimum Monthly Payment | $ 13,000 | |||||||
| Oceanside California Warehouse [Member] | ||||||||
| Gain (Loss) on Termination of Lease | $ 100,000 | |||||||
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