Note 11 - Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2021

Notes Tables

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

	Three Months				Nine Months
	Ended				Ended
	September 30,		September 30,		September 30,		September 30,
	2021		2020		2021		2020
Weighted average shares outstanding for basic calculation		2,838		2,836		2,838		1,860
Add: Effect of dilutive stock awards		35		-		35		35
Weighted average shares outstanding, adjusted for diluted calculation		2,873		2,836		2,873		1,895

Schedule of Stockholders Equity [Table Text Block]

				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	)
Net loss		-			-			(109	)
Stock-based compensation expense		-			21			-
Balance at June 30, 2021	$	684		$	29,780		$	(3,999	)
Net income		-			-			3,281
Effect of reverse stock split		(630	)		630			-
Redemption of fractional shares		-			(2	)		-
Stock-based compensation expense		-			22			-
Balance at September 30, 2021	$	54		$	30,430		$	(718	)

			Capital in
	Common		Excess of		Retained
	Stock		Par Value		Deficit
Balance at January 1, 2020	$	294	$	17,370	$	(3,765	)
Net income		-		-		1,054
Stock-based compensation expense		-		21		-
Balance at March 31, 2020	$	294	$	17,391	$	(2,711	)
Issuance of common stock		390		12,285		-
Net loss		-		-		(175	)
Stock-based compensation expense		-		20		-
Balance at June 30, 2020	$	684	$	29,696	$	(2,886	)
Net loss		-		-		(446	)
Stock-based compensation expense		-		21		-
Balance at September 30, 2020	$	684	$	29,717	$	(3,332	)