Note 6 - Per Share Amounts (Details Textual) - shares	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements (in shares)	0	124,000
Share-Based Payment Arrangement, Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	38,000	138,000
Restricted Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	173,000
Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements (in shares)	123,000	123,000