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Note 18 - Shareholders' Equity (Details Textual) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
APIC, Share-Based Payment Arrangement, Other, Increase for Cost Recognition | $ 4,900 |
Proceeds from Warrant Exercises | 6,294 | $ 0
Stock Repurchase Program, Authorized Amount | $ 10,000 |
Stock Repurchased During Period, Shares (in shares) | 0 |
Warrants to Purchase Common Stock [Member] |  |
Class of Warrant or Right, Outstanding (in shares) | 3,205,896 |
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares) | 1 |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ 5.00 |
Stock Issued During Period, Shares, Exercise of Warrants (in shares) | 1,258,840 |
Proceeds from Warrant Exercises | $ 6,300 |
Preferred Stock Converted into Common Stock [Member] |  |
Conversion of Stock, Shares Converted (in shares) | 119,733 |
Conversion of Stock, Shares Issued (in shares) | 748,331 |

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