Note 9 - Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2023

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, 2021		15,140		$	7.14
Granted to employees and directors		21,772			4.00
Vested		(18,540	)		6.56
Canceled/expired/forfeited		-			-
Outstanding, December 31, 2022		18,372			4.00
Granted to employees and directors		227,000			4.23
Vested		(10,200	)		3.99
Canceled/expired/forfeited		-			-
Outstanding December 31, 2023		235,172			4.21

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

				Weighted
				Average
				Exercise Price
	Shares			Per Option
Options outstanding, December 31, 2021		427,580		$	3.50
Granted to employees and directors		19,600			3.99
Exercised		(21,665	)		3.70
Canceled/expired/forfeited		(14,900	)		3.93
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
Options exercisable, December 31, 2023		236,565			3.60

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
$3.42	-	$4.23		292,766	$	3.71		1.17	$	462,000		236,565	$	3.60		0.36	$	400,000