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Note 6 - Contingencies (Details Textual) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
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Business Combination, Contingent Consideration, Liability, Current | $ 4,763 | $ 4,507
BAMKO [Member] |  |
Business Combination, Contingent Consideration, Liability, Current | 3,400 |
Tangerine [Member] |  |
Business Combination, Contingent Consideration, Liability, Current | 1,400 |
Sutter's Mill [Member] |  |
Business Combination, Contingent Consideration, Liability, Total | 2,700 |
Sutter's Mill [Member] | Minimum [Member] |  |
Business Combination, Contingent Consideration, Liability, Current | 2,400 |
Sutter's Mill [Member] | Maximum [Member] |  |
Business Combination, Contingent Consideration, Liability, Current | $ 4,700 |

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