Note 4 - Leases - Lessee Future Minimum Lease Payments (Details) $ in Thousands	Sep. 30, 2019 USD ($)
2019 (excluding the three months ended March 31, 2019), operating leases	$ 2,282
2019 (excluding the three months ended March 31, 2019), finance leases	1,100
2020, operating leases	5,162
2020, finance leases	4,402
2021, operating leases	4,412
2021, finance leases	3,966
2022, operating leases	2,921
2022, finance leases	3,862
2023, operating leases	1,544
2023, finance leases	2,739
Thereafter, operating leases	13,734
Thereafter, finance leases	5,010
Total future minimum lease payments, operating leases	30,055
Total future minimum lease payments, finance leases	21,079
Less imputed interest, operating leases	6,104
Less imputed interest, finance leases	5,664
Total, operating leases	23,951
Total, finance leases	$ 15,415