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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 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Total related party revenue $ 0 $ 0 $ 657 $ 175
Cost of goods sold 0 0 648 131
NeutroPhase [Member]        
Total related party revenue 0 0 657 175
Cost of goods sold $ 0 $ 0 $ 648 $ 131