Note 5 - Bank Debt - Bank Debt, Less Debt Issuance Costs (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current bank debt	$ 16,538	$ 25,725
Less unamortized debt issuance cost	(3,316)	(2,627)
Net current portion	13,222	23,098
Long-term bank debt	114,200	86,013
Less unamortized debt issuance cost	(593)	(1,346)
Net long-term portion	113,607	84,667
Total bank debt	130,738	111,738
Less total unamortized debt issuance cost	(3,909)	(3,973)
Net bank debt	$ 126,829	$ 107,765