Consolidated Balance Sheets (Parenthetical) - $ / shares shares in Thousands	Sep. 30, 2015	Dec. 31, 2014
Statement of Financial Position [Abstract]
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	2,500	2,500
Preferred stock, shares issued	10	10
Preferred stock, shares outstanding	10	10
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	50,000	50,000
Common stock, shares issued	8,906	8,427
Common stock, shares outstanding	8,906	8,427