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, 2018	$ 34	8,157	(3,675)	4,864	(89)	$ 9,291
Balance (in shares) at Dec. 31, 2018						32,271,367
Treasury stock						$ (200)
Treasury stock (in shares)	(52,000)
Balance at Jun. 30, 2019	$ 34	8,592	(3,846)	9,376	(89)	$ 14,067
Balance (in shares) at Jun. 30, 2019						32,448,180
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
Exercised and vested stock-based awards		129				$ 129
Exercised and vested stock-based awards (in shares)						166,623
Warrant exercises (in shares)						40,366
Stock-based compensation expense		158				$ 158
Net income				2,162		2,162
Balance at Jun. 30, 2019	34	8,592	(3,846)	9,376	(89)	$ 14,067
Balance (in shares) at Jun. 30, 2019						32,448,180
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
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
Balance at Jun. 30, 2020	$ 34	10,548	(3,846)	20,310	(89)	26,957
Balance (in shares) at Jun. 30, 2020	33,334,996
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
Exercised and vested stock-based awards		53				53
Exercised and vested stock-based awards (in shares)	157,414
Stock-based compensation expense		579				579
Net income				3,017		3,017
Balance at Jun. 30, 2020	$ 34	$ 10,548	$ (3,846)	$ 20,310	$ (89)	$ 26,957
Balance (in shares) at Jun. 30, 2020	33,334,996