Note 7 - Shareholders' Equity - Stock Activity (Details)	3 Months Ended
	Mar. 31, 2025 $ / shares shares
Restricted Stock [Member]
Unvested, shares (in shares) | shares	17,976
Unvested, weighted average grant date fair value (in dollars per share) | $ / shares	$ 11.96
Granted, shares (in shares) | shares	6,493
Granted, weighted average grant date fair value (in dollars per share) | $ / shares	$ 10.26
Vested, shares (in shares) | shares	(1,996)
Vested, weighted average grant date fair value (in dollars per share) | $ / shares	$ 12.53
Unvested, shares (in shares) | shares	22,473
Unvested, weighted average grant date fair value (in dollars per share) | $ / shares	$ 11.42
Performance Shares [Member]
Unvested, shares (in shares) | shares	33,205,000
Unvested, weighted average grant date fair value (in dollars per share) | $ / shares	$ 12.04
Granted, shares (in shares) | shares	19,482,000
Granted, weighted average grant date fair value (in dollars per share) | $ / shares	$ 10.26
Vested, shares (in shares) | shares	0
Vested, weighted average grant date fair value (in dollars per share) | $ / shares	$ 0
Unvested, shares (in shares) | shares	52,687,000
Unvested, weighted average grant date fair value (in dollars per share) | $ / shares	$ 11.38