Note 5 - Leases - Maturity of Lease Liabilities (Details) $ in Thousands	Jun. 30, 2020 USD ($)
Operating leases, Remaining 2020	$ 435
Finance leases, Remaining 2020	391
Total, Remaining 2020	826
Operating leases, 2021	722
Finance leases, 2021	738
Total, 2021	1,460
Operating leases, 2022	726
Finance leases, 2022	575
Total, 2022	1,301
Operating leases, 2023	738
Finance leases, 2023	333
Total, 2023	1,071
Operating leases, 2024	798
Finance leases, 2024	277
Total, 2024	1,075
Operating leases, Thereafter	2,582
Finance leases, Thereafter	20
Total, Thereafter	2,602
Operating leases, total lease payments	6,001
Finance leases, total lease payments	2,334
Total, total lease payments	8,335
Operating leases, less: Interest	(1,078)
Finance leases, less: Interest	(205)
Total, less: Interest	(1,283)
Operating leases, present value of lease liabilities	4,923
Finance leases, present value of lease liabilities	2,129
Total, present value of lease liabilities	$ 7,052