Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common stock	Additional Paid-In Capital	Treasury Stock	Stock Subscription Receivable	Accumulated Deficit	Accumulated Other Comprehensive (Loss) Income
Balance at Dec. 31, 2017	$ 254,986	$ 33	$ 330,931	$ (2,319)	$ (1,350)	$ (80,175)	$ 7,866
Balance (in shares) at Dec. 31, 2017		3,268,718
Retroactive application of recapitalization at Dec. 31, 2017		$ (29)	29
Retroactive application of recapitalization (in shares) at Dec. 31, 2017		35,141,195
Adjusted balance at Dec. 31, 2017	254,986	$ 4	330,960	(2,319)	(1,350)	(80,175)	7,866
Adjusted balance (in shares) at Dec. 31, 2017		38,409,913
Issuance of common stock	$ 39,191		39,191
Issuance of common shares (in shares)	3,826,151	3,826,151
Share based compensation	$ 2,125		2,125
Share based compensation (in shares)		61,010
Foreign exchange translation	(870)						(870)
Stock subscription receivable	1,350				$ 1,350
Repurchases of treasury stock	(87)			(87)
Repurchases of treasury stock (in shares)		(8,204)
Adoption of new accounting principle			40			(40)
Net loss	(67,739)					(67,739)
Balance at Dec. 31, 2018	228,956	$ 4	372,316	(2,406)		(147,954)	6,996
Balance (in shares) at Dec. 31, 2018		42,288,870
Issuance of common stock	$ 1,655		1,655
Issuance of common shares (in shares)	172,350	172,350
Recapitalization transaction	$ 4,592		8,122			(3,530)
Retirement of treasury stock			(2,406)	$ 2,406
Share based compensation	2,265		2,265
Share based compensation (in shares)		67,797
Foreign exchange translation	311						311
Net loss	(54,014)					(54,014)
Balance at Dec. 31, 2019	$ 183,765	$ 4	$ 381,952			$ (205,498)	$ 7,307
Balance (in shares) at Dec. 31, 2019		42,529,017