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Note 5 - Stock-based Compensation (Tables)

3 Months Ended

Mar. 31, 2023

Notes Tables

Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block]

		Three-month period ended
		March 31,				March 31,
		2023				2022
Stock options		$	138			$	181
Restricted stock grants			1				8
Total		$	139			$	189

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

		Number of Shares				Weighted Average Exercise Price				Weighted Average Remaining Contractual Term (years)				Aggregate Intrinsic Value
Outstanding at January 1, 2023			1,425,693			$	6.72
Granted			12,500				4.07
Exercised			-				-
Forfeited or expired			(17,582	)		$	7.57
Outstanding at March 31, 2023			1,420,611			$	6.69				3.58			$	0
Vested and expected to vest at March 31, 2023			1,295,019			$	6.75				3.40			$	0
Exercisable at March 31, 2023			911,553			$	7.09				2.29			$	0

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- Definition

Tabular disclosure of share-based payment arrangement.

+ References

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-Section 50
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- 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.

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