Note 5 - Bank Debt - Bank Debt, Less Debt Issuance Costs (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current bank debt	$ 120,050	$ 25,725
Less unamortized debt issuance cost	(3,872)	(2,627)
Net current portion	116,178	23,098
Long-term bank debt	0	86,013
Less unamortized debt issuance cost	0	(1,346)
Net long-term portion	0	84,667
Total bank debt	120,050	111,738
Less total unamortized debt issuance cost	(3,872)	(3,973)
Net bank debt	$ 116,178	$ 107,765