CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock[Member]	Additional Paid-in Capital	Treasury Stock	Retained Earnings	Non-Controlling Interest	Total
Balance at Dec. 31, 2018	$ 34	$ 8,157	$ (3,675)	$ 4,864	$ (89)	$ 9,291
Balance (in shares) at Dec. 31, 2018	32,271,367
Exercised and vested stock-based awards		8				8
Exercised and vested stock-based awards (in shares)	21,832
Stock-based compensation expense		140				140
Treasury stock			(171)			(171)
Treasury stock (in shares)	(52,000)
Other (in shares)	(8)
Net income				2,350		2,350
Balance at Mar. 31, 2019	$ 34	8,305	(3,846)	7,214	(89)	11,618
Balance (in shares) at Mar. 31, 2019	32,241,191
Balance at Dec. 31, 2019	$ 34	9,198	(3,846)	14,356	(89)	19,653
Balance (in shares) at Dec. 31, 2019	32,791,665
Exercised and vested stock-based awards		221				221
Exercised and vested stock-based awards (in shares)	385,917
Stock-based compensation expense		497				497
Net income				2,937		2,937
Balance at Mar. 31, 2020	$ 34	$ 9,916	$ (3,846)	$ 17,293	$ (89)	$ 23,308
Balance (in shares) at Mar. 31, 2020	33,177,582