Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common stock	Additional Paid-In Capital	Treasury Stock	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)
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
Share based compensation	910		910
Share based compensation (in shares)		52,150
Foreign exchange translation	810					810
Net loss	(13,491)				(13,491)
Balance at Mar. 31, 2019	217,185	$ 4	373,226	(2,406)	(161,445)	7,806
Balance (in shares) at Mar. 31, 2019		42,341,020
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
Net loss	(24,939)
Balance at Jun. 30, 2019	205,875	$ 4	374,219	(2,406)	(172,893)	6,951
Balance (in shares) at Jun. 30, 2019		42,399,554
Balance at Mar. 31, 2019	217,185	$ 4	373,226	(2,406)	(161,445)	7,806
Balance (in shares) at Mar. 31, 2019		42,341,020
Issuance of common stock	414		414
Issuance of common stock (in shares)		58,534
Share based compensation	579		579
Foreign exchange translation	(855)					(855)
Net loss	(11,448)				(11,448)
Balance at Jun. 30, 2019	205,875	$ 4	374,219	$ (2,406)	(172,893)	6,951
Balance (in shares) at Jun. 30, 2019		42,399,554
Balance at Dec. 31, 2019	183,765	$ 4	381,952		(205,498)	7,307
Balance (in shares) at Dec. 31, 2019		42,529,017
Share based compensation	825		825
Foreign exchange translation	(4,428)					(4,428)
Net loss	(12,526)				(12,526)
Balance at Mar. 31, 2020	167,636	$ 4	382,777		(218,024)	2,879
Balance (in shares) at Mar. 31, 2020		42,529,017
Balance at Dec. 31, 2019	183,765	$ 4	381,952		(205,498)	7,307
Balance (in shares) at Dec. 31, 2019		42,529,017
Net loss	(27,444)
Balance at Jun. 30, 2020	156,265	$ 4	383,591		(232,942)	5,612
Balance (in shares) at Jun. 30, 2020		42,529,017
Balance at Mar. 31, 2020	167,636	$ 4	382,777		(218,024)	2,879
Balance (in shares) at Mar. 31, 2020		42,529,017
Share based compensation	814		814
Foreign exchange translation	2,733					2,733
Net loss	(14,918)				(14,918)
Balance at Jun. 30, 2020	$ 156,265	$ 4	$ 383,591		$ (232,942)	$ 5,612
Balance (in shares) at Jun. 30, 2020		42,529,017