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Note 7 - Other Intangible Assets - Schedule of Finite-lived Intangible Assets (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 | Dec. 31, 2022
Trade names, gross | $ 2,080 | $ 2,080
Trade names, impairment | (970) | (970)
Trade names, net | 1,110 | 1,110
Amortizable intangible assets, accumulated amortization | (461) | (423)
Amortizable intangible assets, net | 1,132 |
Total other intangible assets | 5,260 | 5,260
Total other intangible assets, impairment | (2,557) | (2,557)
Total other intangible assets, net | 2,242 | 2,280
Customer Relationships [Member] |  |
Amortizable intangible assets, gross | 290 | 290
Amortizable intangible assets, accumulated amortization | (51) | (48)
Amortizable intangible assets, impairment | (172) | (172)
Amortizable intangible assets, net | 67 | 70
Trade Secrets [Member] |  |
Amortizable intangible assets, gross | 2,890 | 2,890
Amortizable intangible assets, accumulated amortization | (410) | (375)
Amortizable intangible assets, impairment | (1,415) | (1,415)
Amortizable intangible assets, net | $ 1,065 | $ 1,100

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