CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 191	$ 123
Preferred Stock, par value	$ 0.001	$ 0.001
Preferred Stock, shares authorized	10,000,000	10,000,000
Preferred Stock, shares issued	198,355	198,355
Preferred Stock, shares outstanding	198,355	198,355
Preferred Stock, liquidation preference value	$ 2,579	$ 2,533
Common Stock, par value	$ 0.001	$ 0.001
Common Stock, shares authorized	50,000,000	35,000,000
Common Stock, shares issued	27,658,820	22,421,987
Common Stock, shares outstanding	27,658,820	22,421,987