Note 6 - Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2020

Notes Tables

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

	Three Months Ended				Six Months Ended
	June 30,		June 30,		June 30,		June 30,
	20 20		2019		20 20		2019
Weighted average shares outstanding for basic calculation		19,395		14,492		17,305		14,499
Add: Effect of dilutive stock awards		-		-		417		460
Weighted average shares outstanding,adjusted for diluted calculation		19,395		14,492		17,721		14,959

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 income		-		-		(175	)
Stock-based compensation expense		-		20		-
Balance at June 30, 2020	$	684	$	29,696	$	(2,886	)

			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	)