Note 14 - Paycheck Protection Program Loan - PPP Loan Balance (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current portion	$ 0	$ 950
Long-term portion	0	634
Notes Payable, Total	0	1,584
Paycheck Protection Program CARES Act [Member]
Principal	0	1,572
Accrued interest	0	12
Long-term Debt, Total	0	1,584
Current portion	0	950
Long-term portion	$ 0	$ 634

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