Note 10 - Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2022

Notes Tables

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Three Months Ended
	March 31,		March 31,
	2022		2021
Weighted average shares outstanding for basic calculation		2,838		2,832
Add: Effect of dilutive stock awards		-		-
Weighted average shares outstanding, adjusted for diluted calculation		2,838		2,832

Schedule of Stockholders Equity [Table Text Block]

			Capital in
	Common		Excess of		Retained
	Stock		Par Value		Deficit
Balance at January 1, 2022	$	54	$	30,450	$	(942	)
Net loss		-		-		(577	)
Stock-based compensation expense		-		21		-
Balance at March 31, 2022	$	54	$	30,471	$	(1,519	)

			Capital in
	Common		Excess of		Retained
	Stock		Par Value		Deficit
Balance at January 1, 2021	$	684	$	29,738	$	(3,702	)
Net loss		-		-		(188	)
Stock-based compensation expense		-		21		-
Balance at March 31, 2021	$	684	$	29,759	$	(3,890	)