CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Allowance for doubtful accounts	$ 54	$ 40
Par value of common stock (in dollars per share)	$ 0	$ 0
Common Stock, shares authorized	75,000	75,000
Common Stock, shares issued	23,789	23,789
Common Stock, shares outstanding	23,786	23,786
Convertible Preferred Stock
Par value of convertible preferred stock (in dollars per share)	$ 0	$ 0
Convertible preferred stock, shares authorized	39	39
Convertible preferred stock, shares reserved	39	39
Convertible preferred stock, shares issued	12	12
Convertible preferred stock, shares outstanding	12	12