Consolidated Statements of Stockholders Equity - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital.	Retained Earnings (Deficit)	Total
Balance at Dec. 31, 2018	$ 401	$ 150,926	$ (10,218)	$ 141,109
Restricted stock surrendered for withholding taxes payable		(20)		(20)
Stock-based compensation	9	4,051		4,060
Net income (loss)			24,934	24,934
Balance at Dec. 31, 2019	410	154,957	14,716	170,083
Restricted stock surrendered for withholding taxes payable	(1)	(220)		(221)
Stock-based compensation	18	4,122		4,140
Net income (loss)			(4,907)	(4,907)
Balance at Dec. 31, 2020	427	158,859	9,809	169,095
Restricted stock surrendered for withholding taxes payable	(1)	(538)		(539)
Stock-based compensation	15	5,245		5,260
Dividends accrued ($0.0567 per common share)			(2,501)	(2,501)
Net income (loss)			39,759	39,759
Balance at Dec. 31, 2021	$ 441	$ 163,566	$ 47,067	$ 211,074