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Note 18 - Related Party Transactions - Related Party Revenue, Cost of Goods Sold, and Expenses (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Total related party revenue $ 148 $ 0
Cost of goods sold 134 (0)
NeutroPhase [Member]    
Total related party revenue 148 0
Cost of goods sold $ 134 $ (0)