Note 6 - Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2020

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,
	2020		2019		2020		2019
Weighted average shares outstanding for basic calculation		34,030		14,510		22,322		14,504
Add: Effect of dilutive stock awards		-		-		417		430
Weighted average shares outstanding, adjusted for diluted calculation		34,030		14,510		22,739		14,934

Schedule of Stockholders Equity [Table Text Block]

			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	)

			Capital in
	Common		Excess of		Retained
	Stock		Par Value		Deficit
Balance at January 1, 2019	$	294	$	17,285	$	(3,935	)
Net income		-		-		1,366
Stock-based compensation expense		-		21		-
Balance at March 31, 2019	$	294	$	17,306	$	(2,569	)
Net loss		-		-		(902	)
Stock-based compensation expense		-		22		-
Balance at June 30, 2019	$	294	$	17,328	$	(3,471	)
Net loss		-		-		(59	)
Stock-based compensation expense		-		21		-
Balance at September 30, 2019	$	294	$	17,349	$	(3,530	)