Note 7 - Earnings Per Share - Earnings Per Share (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Basic weighted-average shares (in shares)	31,074,000	30,708,000	30,890,000	30,526,000
Unexercised options and unvested RSUs (in shares)	219,000	140,000	0	0
Diluted weighted-average shares (in shares)	31,293,000	30,848,000	30,890,000	30,526,000