Condensed Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital.	Retained Earnings	Total
Balance at Dec. 31, 2016		$ 13,266	$ (18,251)	$ (4,985)
Accretion - Series A preferred units			(124)	(124)
Distributions on Series A preferred units			(1,500)	(1,500)
Issuance of common stock in Reorganization	$ 225	(225)
Conversion of Series A preferred units into common stock	128	88,770		88,898
Proceeds from sale of common stock	38	43,667		43,705
Stock-based compensation	5	2,815		2,820
Net income (loss)			(15,417)	(15,417)
Balance at Dec. 31, 2017	396	148,293	(35,292)	113,397
Stock-based compensation	5	2,633		2,638
Net income (loss)			25,074	25,074
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