CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Previously Reported	Restatement Adjustment	Common Stock	Common Stock Previously Reported	Common Stock Restatement Adjustment	Additional Paid-in Capital	Additional Paid-in Capital Previously Reported	Additional Paid-in Capital Restatement Adjustment	Retained Earnings (Accumulated Deficit)	Retained Earnings (Accumulated Deficit) Previously Reported	Retained Earnings (Accumulated Deficit) Restatement Adjustment	Accumulated Other Comprehensive Income (Loss)	Accumulated Other Comprehensive Income (Loss) Previously Reported	Accumulated Other Comprehensive Income (Loss) Restatement Adjustment
Beginning Balance at Dec. 31, 2016	$ 3,259			$ 819			$ 70,011			$ (67,551)			$ (20)
Beginning balance (in shares) at Dec. 31, 2016				81,879,165
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(3,318)									(3,318)
Issuance of common stock:
Share-based compensation	2,916			$ 5			2,911
Share-based compensation (in shares)				561
Adjustment from foreign currency translation, net	(3)												(3)
Ending Balance at Jan. 31, 2017		$ 2,854	$ 64,410		$ 824	$ 2		$ 72,922	$ 64,408		$ (70,869)	$ 0		$ (23)	$ 0
Ending Balance (in shares) at Jan. 31, 2017					81,879,726	17,227,682
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(10,174)									(10,174)
Common dividend distributions	(20,178)						(20,178)
Issuance of common stock:
Share-based compensation	1,846						1,846
Adjustment from foreign currency translation, net	(2)												(2)
Ending Balance at Dec. 31, 2017	35,902			$ 2			46,076			(10,174)			(2)
Ending Balance (in shares) at Dec. 31, 2017				17,227,682
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(7,244)									(7,244)
Net equity infusion from reverse recapitalization	9,989			$ 2			9,987
Net equity infusion from reverse recapitalization (in shares)				18,955,101
Issuance of common stock:
Share-based compensation	5,826						5,826
Ending Balance at Dec. 31, 2018	44,473			$ 4			61,889			(17,418)			(2)
Ending Balance (in shares) at Dec. 31, 2018				36,182,783
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Adoption of new accounting pronouncement | Accounting Standards Update 2014-09										(1,000)
Warrant exchange	(10,031)						(10,031)
Warrant exchange (in shares)				1,800,065
Net income (loss)	19,609									19,609
Issuance of common stock:
Exercise of stock options	227						227
Exercise of stock options (in shares)				30,349
Restricted stock units	0
Restricted stock units (in shares)				21,192
Share-based compensation	2,609						2,609
Adjustment from foreign currency translation, net	95												95
Ending Balance at Dec. 31, 2019	$ 55,967			$ 4			$ 54,694			$ 1,176			$ 93
Ending Balance (in shares) at Dec. 31, 2019				38,034,389