Note 8 - Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2024

Notes Tables

Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]

				Weighted-Average
				Grant Date Price
	Shares			Restricted stock awards
Outstanding, December 31, 2022		18,372		$	4.00
Granted to employees and directors		227,000			4.23
Vested		(10,200	)		3.99
Outstanding, December 31, 2023		235,172			4.21
Granted to employees and directors		29,675			5.56
Vested		(8,172	)		4.02
Outstanding December 31, 2024		256,675			4.38

Share-Based Payment Arrangement, Option, Activity [Table Text Block]

				Weighted
				Average
				Exercise Price
	Shares			Per Option
Options outstanding, December 31, 2022		410,615		$	3.50
Granted to employees and directors		46,400			4.23
Exercised		(140,916	)		3.29
Canceled/expired/forfeited		(23,333	)		3.53
Options outstanding, December 31, 2023		292,766			3.71
Exercised		(231,666	)		3.59
Options outstanding, December 31, 2024		61,100			4.17
Options exercisable, December 31, 2024		25,264			4.14

Share-Based Payment Arrangement, Activity [Table Text Block]

			Options Outstanding								Options Exercisable
Range of Exercise Prices			Options		Weighted Average Exercise Price		Weighted Average Remaining Contract Life (in years)		Aggregate Intrinsic Value		Options		Weighted Average Exercise Price		Weighted Average Remaining Contract Life (in years)		Aggregate Intrinsic Value
$3.99	-	$4.23		61,100	$	4.17		3.5	$	68,000		25,264	$	4.14		3.35	$	29,000