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Note S - Stock Options (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

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

		Number of Options																Weighted average				Weighted average remaining				Aggregate
		2004 Plan				2015 Plan				Non Plan				Total				exercise price				life (in years)				intrinsic value
Outstanding, as of December 31, 2019			3,906				70,991				144,070				218,967			$	20.08				5.00			$	0
Granted			—				28,440				—				28,440				5.04
Exercised			—				—				—				—				—
Forfeited			—				(4,545	)			—				(4,545	)			17.34
Expired			(3,906	)			(703	)			(10,979	)			(15,588	)			29.17
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
Vested or expected to vest at December 31, 2021															206,283			$	16.98				2.95			$	0
Exercisable at December 31, 2021															186,538			$	18.04				2.73			$	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	-	5.20				24,940			$	5.19				5.64				8,402			$	5.17
$	5.21	-	15.68				49,669				12.17				3.79				40,284				12.85
$	15.69	-	39.36				137,852				20.34				2.27				137,852				20.34
$	4.08	-	39.36				212,461												186,538

X

- Definition

Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

Tabular disclosure of number, weighted-average exercise price or conversion ratio, aggregate intrinsic value, and weighted-average remaining contractual term for outstanding and exercisable options that are fully vested and expected to vest. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
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