Note 8 - Leases (Details Textual) - USD ($) |
1 Months Ended | 9 Months Ended | |
|---|---|---|---|
Mar. 31, 2026 |
Feb. 28, 2026 |
Feb. 28, 2025 |
|
| Finance Lease, Right-of-Use Asset, Amortization | $ 3,665 | $ 10,660 | |
| Subsequent Event [Member] | |||
| Equipment Rental Income | $ 20,000 | ||
| Equipment One [Member] | |||
| Finance Lease, Right-of-Use Asset, Amortization | $ 3,665 | $ 10,660 | |
| Two Buildings [Member] | |||
| Lessee, Operating Lease, Term of Contract | 120 months | ||
| Lessee, Operating Lease, Renewal Term | 60 months | ||
| Lessee, Operating Lease, Discount Rate | 6.00% | ||
| Monthly Rent Expense, Monthly Increase Every Fifth Year, Percent | 5.00% | ||
| Corporate Offices [Member] | |||
| Lessee, Operating Lease, Term of Contract | 72 months | ||
| Lessee, Operating Lease, Discount Rate | 8.50% | ||
| Lease Agreement With Robert Rosene [Member] | Subsequent Event [Member] | |||
| Proceeds from Sale of Real Estate | $ 1,675,000 | ||