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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