CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - 9 months ended Sep. 30, 2016 - USD ($) $ in Thousands	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Loss	Accumulated Deficit	Total
Balance at Dec. 31, 2015		$ 135,503	$ (149)	$ (42,833)	$ 92,521
Balance (in shares) at Dec. 31, 2015	20,157,503				20,157,503
Increase (Decrease) in Stockholders' Equity
Issuance of common stock in connection with Vixen acquisition		2,355			$ 2,355
Issuance of common stock in connection with Vixen acquisition, shares	159,420
Issuance of common stock in connection with private placement, net of offering costs		18,547			18,547
Issuance of common stock in connection with private placement, shares	1,081,082
Exercise of stock options		14			$ 14
Exercise of stock options, shares	25,990				25,990
Unrealized gain on marketable securities			144		$ 144
Foreign currency translation adjustment			(49)		(49)
Stock-based compensation expense		4,194			4,194
Net loss				(36,604)	(36,604)
Balance at Sep. 30, 2016		$ 160,613	$ (54)	$ (79,437)	$ 81,122
Balance (in shares) at Sep. 30, 2016	21,423,995				21,423,995