Note 6 - Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2021

Notes Tables

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

	Three Months				Six Months
	Ended				Ended
	June 30,		June 30,		June 30,		June 30,
	2021		2020		2021		2020
Weighted average shares outstanding for basic calculation		33,988		19,395		33,988		17,305
Add: Effect of dilutive stock awards		-		-		-		417
Weighted average shares outstanding, adjusted for diluted calculation		33,988		19,395		33,988		17,721

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	)

			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	)