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v3.22.1

Note 21 - Segment Reporting - Financial Information by Segment (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Revenue from Contract with Customer, Including Assessed Tax | $ 8,421 | $ 9,934 | $ 6,599
Total of Revenue | 100.00% |  |
Gross margin | $ 5,645 | $ 5,964 | $ 4,861
Total of gross margin | 100.00% |  |
Optical and Wound Care [Member] |  |  |
Revenue from Contract with Customer, Including Assessed Tax | $ 7,834 |  |
Total of Revenue | 93.00% |  |
Gross margin | $ 5,336 |  |
Total of gross margin | 95.00% |  |
Skincare [Member] |  |  |
Revenue from Contract with Customer, Including Assessed Tax | $ 587 |  |
Total of Revenue | 7.00% |  |
Gross margin | $ 309 |  |
Total of gross margin | 5.00% |  |

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