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Note 5 - Long-term Debt, Net - Long-term Debt (Details) - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Less: Current portion of long-term debt $ (5,000) $ (5,000)
Long-term debt, net (non-current) 36,780 40,329
The Credit Agreement [Member] | New Credit Facility Term Loan [Member]    
New Credit Facility due 2026 (less unamortized discount and financing costs of $720 and $921, respectively) $ 41,780 $ 45,329