Note 13 - Loss Per Common Share - Calculation of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Loss from continuing operations, net of income taxes	$ (20,257)	$ (36,670)
Loss from discontinued operations, net of income taxes	(268)	(953)
Net loss	$ (20,525)	$ (37,623)
Basic and diluted weighted average number of shares outstanding (in shares)	4,327,323	2,078,168
Loss from continuing operations per common share - basic and diluted (in dollars per share)	$ (4.60)	$ (17.63)
Loss from discontinued operations per common share - basic and diluted (in dollars per share)	(0.06)	(0.46)
Loss per common share - basic and diluted (in dollars per share)	$ (4.66)	$ (18.09)