Note 18 - Shareholders' Equity (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	6 Months Ended		18 Months Ended
	Jun. 30, 2023	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Mar. 21, 2023
APIC, Share-Based Payment Arrangement, Other, Increase for Cost Recognition	$ 1,200	$ 6,100
Treasury Stock, Value, Acquired, Cost Method	$ 51	51
Proceeds from Warrant Exercises		$ 6,560	$ 0
Warrants to Purchase Common Stock [Member]
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares)	1	1		1
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)	$ 5.00	$ 5.00		$ 5.00
Stock Issued During Period, Shares, Exercise of Warrants (in shares)	53,101	1,311,941
Proceeds from Warrant Exercises	$ 300	$ 6,600
Share Repurchase Program [Member]
Stock Repurchase Program, Authorized Amount					$ 10,000
Treasury Stock, Shares, Acquired (in shares)	564,970
Shares Acquired, Average Cost Per Share (in dollars per share)	$ 2.1
Treasury Stock, Value, Acquired, Cost Method	$ 2,594,125,000
Preferred Stock Converted into Common Stock [Member]
Conversion of Stock, Shares Converted (in shares)	30,000	149,733		149,733
Conversion of Stock, Shares Issued (in shares)	187,500	935,831		935,831