Note I - Net Loss Per Share - Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Net loss	$ (1,864)	$ (10,296)
Less: Dividends declared or accumulated	0	(37,444)
Undistributed net loss attributable to shares of common stockholders, basic and diluted	$ (1,864)	$ (47,740)
Weighted average number of shares of common stock outstanding, basic and diluted (in shares)	34,506,597	19,146,270
Basic and diluted net loss attributable to common stockholders per share of common stock (in dollars per share)	$ (0.05)	$ (2.49)