Note 6 - Leases (Details Textual) - USD ($) $ in Millions |
3 Months Ended | 12 Months Ended | |
|---|---|---|---|
Jun. 30, 2020 |
Jun. 30, 2021 |
Jun. 30, 2022 |
|
| Repayments of Rent Deferrals | $ 2.4 | ||
| Accrued Rent, Current | $ 0.3 | ||
| Short-Term Lease Commitment, Amount | $ 0.2 | ||
| Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract (Year) | 5 years | ||
| Lessee, Operating Lease, Lease Not yet Commenced, Payments, Due | $ 2.8 | ||
| COVID-19 Pandemic [Member] | |||
| Rent Deferrals | $ 2.7 | ||
| Minimum [Member] | |||
| Lessee, Finance Lease, Term of Contract (Year) | 3 years | ||
| Maximum [Member] | |||
| Lessee, Finance Lease, Term of Contract (Year) | 5 years | ||
| Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract (Year) | 10 years |