Note Q - Stock Options (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

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

	Number of Options									Weighted average		Weighted average remaining		Aggregate
	2015 Plan			Non Plan			Total			exercise price		life (in years)		intrinsic value
Outstanding, as of December 31, 2020		94,183			133,091			227,274		$	17.61		3.87	$	0
Granted		—			—			—			—
Exercised		—			—			—			—
Forfeited		(3,291	)		—			(3,291	)		3.87
Expired		(84	)		(11,438	)		(11,522	)		39.13
Outstanding, as of December 31, 2021		90,808			121,653			212,461		$	16.65		3.03	$	0
Granted		—			—			—			—
Exercised		—			—			—			—
Forfeited		—			—			—			—
Expired		—			(9,465	)		(9,465	)		17.28
Outstanding, as of December 31, 2022		90,808			112,188			202,996		$	16.63		2.14	$	0
Vested or expected to vest at December 31, 2022								201,271		$	16.72		2.12	$	0
Exercisable at December 31, 2022								194,561		$	17.12		2.03	$	0

Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding and Exercisable [Table Text Block]

				Options Outstanding						Options Exercisable
Range of exercise prices				Number of shares		Weighted average exercise price		Weighted average remaining life (in years)		Number exercisable		Weighted average exercise price
$	4.08	-	5.84		25,565	$	5.20		4.63		17,130	$	5.20
$	5.85	-	28.00		177,431		18.27		1.81		177,431		18.27
$	4.08	-	28.00		202,996						194,561