Business, Liquidity and Summary of Significant Accounting Policies (Detail Textuals) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014	Sep. 30, 2014	Dec. 31, 2013	Jun. 30, 2008
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Accumulated deficit	$ (335,011)	$ (337,788)			$ 108,900
Working capital deficit	(1,100)
Cash	$ 1,313	$ 1,824	$ 3,203	$ 909