Note 17 - Leases - Operating Lease (Details) $ in Thousands	Dec. 31, 2019 USD ($)
2020	$ 616
2021	627
2022	544
2023	340
2024	114
Thereafter	0
Total undiscounted operating lease payments	2,241
Less: Imputed interest	$ (143)
Weighted-average remaining lease term for operating leases (in years) (Year)	3 years 270 days
Weighted-average discount rate for operating leases	3.59%
Accrued Expenses And Other Liabilities And Other Long-term Liabilities [Member]
Present value of operating lease liabilities	$ 2,098
Right-of-use assets (recorded in other non-current assets)	2,098
Total operating lease liabilities	2,098
Other Current Liabilities [Member]
Current lease liabilities (recorded in other current liabilities)	616
Other Noncurrent Liabilities [Member]
Long-term lease liabilities (recorded in other long-term liabilities)	$ 1,482