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Note 18 - Shareholders' Equity (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	9 Months Ended		21 Months Ended
	Sep. 30, 2023	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 15, 2023	Mar. 21, 2023
APIC, Share-Based Payment Arrangement, Other, Increase for Cost Recognition		$ 6,100
Treasury Stock, Value, Acquired, Cost Method	$ 751	802
Proceeds from Warrant Exercises		$ 16,658	$ 40
Warrants to Purchase Common Stock [Member]
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
Stock Issued During Period, Shares, Exercise of Warrants (in shares)	2,019,720	3,331,661
Proceeds from Warrant Exercises	$ 10,100	$ 16,700
Share Repurchase Program [Member]
Stock Repurchase Program, Authorized Amount						$ 10,000
Treasury Stock, Shares, Acquired (in shares)	628,587	1,193,557
Treasury Stock, Value, Acquired, Cost Method	$ 2,800	$ 4,800
Preferred Stock Converted into Common Stock [Member]
Conversion of Stock, Shares Converted (in shares)		149,733		149,733
Conversion of Stock, Shares Issued (in shares)		935,831		935,831

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Number of shares of stock issued during the period to exercise of warrants

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Exercise price per share or per unit of warrants or rights outstanding.

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