CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY - 3 months ended Mar. 31, 2019 - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss
Balance at Dec. 31, 2018	$ 18,421	$ 557	$ 116,864	$ (96,350)	$ (2,650)
Balance (in shares) at Dec. 31, 2018		53,774,221
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock based compensation expense	376		376
Issuance of stock for vested restricted stock units		$ 1	(1)
Issuance of stock for vested restricted stock units (in shares)		71,206
Cumulative translation adjustment	147				147
Net loss	(8,724)			(8,724)
Balance (in shares) at Mar. 31, 2019		53,845,427
Balance at Mar. 31, 2019	$ 10,220	$ 558	$ 117,239	$ (105,074)	$ (2,503)