Note 11 - Stockholders' Equity (Details Textual) - USD ($)	3 Months Ended					9 Months Ended
	Sep. 30, 2024	Jun. 30, 2024	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2024	Sep. 30, 2023	May 14, 2024	Aug. 05, 2022
Stock Repurchased and Retired During Period, Shares (in shares)	0		2,669			48,333	7,104
Stock Repurchased and Retired During Period, Per Share (in dollars per share)			$ 7.12			$ 5.02	$ 7.15
Stock Repurchased and Retired During Period, Value		$ 243,000	$ 18,000	$ 32,000	$ 1,000	$ 242,632	$ 51,000
Preferred Stock, Shares Outstanding (in shares)	0		0			0	0
Weighted Average [Member]
Stock Repurchased and Retired During Period, Per Share (in dollars per share)			$ 7.1			$ 5	$ 7.13
Common Stock [Member]
Share Repurchase Program, Authorized, Amount								$ 1,500,000	$ 1,500,000