Note 5 - ROU Assets and Lease Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Operating lease	$ 2,696	$ 3,179
Total right of use assets	2,696	3,179
Operating lease	1,038	985
Operating Lease, Liability, Noncurrent	1,658	2,194
Total lease liabilities	$ 2,696	$ 3,179