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The Company and Summary of Significant Accounting Policies (Details) (USD $)
3 Months Ended 9 Months Ended 129 Months Ended
Sep. 30, 2012
Mar. 31, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
The Company and Summary of Significant Accounting Policies (Textual) [Abstract]            
Loss from operations $ (928,000)   $ (1,821,000) $ (3,480,000) $ (5,727,000) $ (98,304,000)
Cash flows from operations       (3,408,000) (5,723,000) (96,751,000)
Proceeds from Private Placement offering of common stock and warrants, net of offering expenses       $ 1,000,000    
Minimum closing bid price to comply with listing requirement with NASDAQ Capital Market   $ 1.00