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Note 19 - Segment Reporting - Financial Information by Segment (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Total sales, net $ 3,826 $ 2,265 $ 10,761 $ 7,031
Operating Loss (457) (2,289) (4,991) (5,668)
Optical and Wound Care [Member]        
Total sales, net 2,507 2,265 7,646 7,031
Operating Loss (257) (2,289) (3,605) (5,668)
Skincare [Member]        
Total sales, net 1,319 0 3,115 0
Operating Loss $ (200) $ 0 $ (1,386) $ 0