Condensed Consolidated Statements of Stockholders' Equity - 3 months ended Mar. 31, 2017 - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Income
Balance (in shares) at Dec. 31, 2016	12,468,647	12,468,647
Beginning Balance at Dec. 31, 2016	$ 10,133	$ 12	$ 56,331	$ (46,159)	$ (51)
Increase (Decrease) in Stockholders' Equity
Issuance of common stock for compensation (in shares)		310,230
Stock-based compensation	1,144		1,144
Sales of common stock, net of offering costs (in shares)		1,626,898
Sales of common stock, net of offering costs	7,471	$ 2	7,469
Exercise of warrants, cashless (in shares)		45,310
Net loss	(4,894)			(4,894)
Foreign currency translation adjustments, net of tax	$ 18				18
Balance (in shares) at Mar. 31, 2017	14,451,085	14,451,085
Ending Balance at Mar. 31, 2017	$ 13,872	$ 14	$ 64,944	$ (51,053)	$ (33)