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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 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Total related party revenue $ 509 $ 175 $ 657 $ 175
Cost of goods sold 514 131 648 131
NeutroPhase [Member]        
Total related party revenue 509 175 657 175
Cost of goods sold $ 514 $ 131 $ 648 $ 131