CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Treasury Stock	Retained Earnings	Non-Controlling Interest	Total
Balance at Dec. 31, 2017	$ 33	$ 7,612	$ (243)	$ (2,411)	$ (89)	$ 4,902
Balance (in shares) at Dec. 31, 2017	32,778,040
Opening balance adjustment - ASC 842				(7)		(7)
Exercised and vested stock-based awards	$ 1	175				176
Exercised and vested stock-based awards (in shares)	425,710
Stock-based compensation expense		370				370
Treasury stock			(3,432)			(3,432)
Treasury stock (in shares)	(932,383)
Common stock dividends declared				(2,270)		(2,270)
Net income				9,552		9,552
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		221				221
Exercised and vested stock-based awards (in shares)	531,940
Warrant exercises (in shares)	40,366
Stock-based compensation expense		820				820
Treasury stock			(171)			(171)
Treasury stock (in shares)	(52,000)
Other (in shares)	(8)
Net income				9,492		9,492
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