CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - 6 months ended Jun. 30, 2016 - USD ($) $ in Thousands	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income (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		1			$ 1
Exercise of stock options, shares	5,000				5,000
Unrealized gain on marketable securities			156		$ 156
Foreign currency translation adjustment			(6)		(6)
Stock-based compensation expense		2,576			2,576
Net loss				(25,910)	(25,910)
Balance at Jun. 30, 2016		$ 158,982	$ 1	$ (68,743)	$ 90,240
Balance (in shares) at Jun. 30, 2016	21,403,005				21,403,005