CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 111	$ 83
Preferred stock, par value (in dollars per shares)	$ 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 (in dollars)	$ 2,488	$ 2,442
Common stock, par value (in dollars per shares)	$ 0.001	$ 0.001
Common stock, shares authorized	35,000,000	35,000,000
Common Stock, Shares, Issued	21,269,307	21,055,990
Common Stock, Shares, Outstanding	21,269,307	21,055,990