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Note 1 - Summary of Significant Accounting Policies - Reclassifications (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Cost of Goods Sold $ 99,304 $ 94,441
General and Administrative Expenses $ 10,002 9,253
Previously Reported [Member]    
Cost of Goods Sold   95,651
General and Administrative Expenses   $ 8,043