Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Statement of Financial Position [Abstract]
Accounts receivable, allowances	$ 421	$ 428
Preferred Stock, Par or Stated Value Per Share	$ 0.0001	$ 0.0001
Preferred Stock, Shares Authorized	5,000,000	5,000,000
Preferred Stock, Shares Issued	0	0
Preferred Stock, Shares Outstanding	0	0
Preferred Stock, Shares Outstanding	$ 0.0001	$ 0.0001
Common Stock, Shares Authorized	100,000,000	100,000,000
Common Stock, Shares, Issued	40,254,000	39,563,000
Common Stock, Shares, Outstanding	40,254,000	39,563,000