Note 8 - Leases (Details Textual) $ in Millions |
Sep. 30, 2020
USD ($)
|
|---|---|
| Short-term Lease Commitment, Amount | $ 0.5 |
| Lessee, Operating Lease, Lease Not yet Commenced, Payments, Due | $ 3.2 |
| 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 |