Note 10 - Lease Obligations -Balance Sheets of the Company's Operating Leases (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Assets:
Operating lease assets, net	$ 6,806	$ 6,472
Operating Lease, Liability [Abstract]
Lease financing obligation	2,369	1,819
Lease financing obligation	5,804	5,962
Total operating lease liabilities	$ 8,173	$ 7,781
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets