Condensed Consolidated Balance Sheets [Parenthetical] - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Common Stock, Par or Stated Value Per Share	$ 0.0001	$ 0.0001
Common Stock, Shares Authorized	225,000,000	225,000,000
Common Stock, Shares, Issued	28,907,278	23,975,358
Common Stock, Shares, Outstanding	28,907,278	23,975,358
Series C Preferred Stock [Member]
Preferred Stock, Par or Stated Value Per Share	$ 0.0001	$ 0.0001
Preferred Stock, Shares Authorized	15,000	15,000
Preferred Stock Shares Available For Issuance	4,320	4,320
Preferred Stock, Shares Issued	10	2,832
Preferred Stock, Shares Outstanding	10	2,832
Undesignated preferred stock [Member]
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 Available For Issuance	4,973,000	4,973,000
Preferred Stock, Shares Issued	0	0
Preferred Stock, Shares Outstanding	0	0
Series D Preferred Stock [Member]
Preferred Stock, Par or Stated Value Per Share	$ 0.0001	$ 0.0001
Preferred Stock, Shares Authorized	12,000	12,000
Preferred Stock, Shares Issued	1,263	0
Preferred Stock, Shares Outstanding	1,163	0
Preferred Stock, Discount on Shares	$ 630