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The Company and Summary of Significant Accounting Policies (Details) (USD $) | 1 Months Ended | 3 Months Ended | 9 Months Ended | 141 Months Ended
--- | --- | --- | --- | ---
Mar. 04, 2013 | Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 Patients | Sep. 30, 2012 | Sep. 30, 2013
Company Development Stage and Basis of Presentation (Textual) [Abstract] |  |  |  |  |  |
Anticipated time to start AF Trial |  |  |  | 168 days |  |
Number of patients company plans to enroll |  |  |  | 200 |  |
Number of years to complete the study |  |  |  | 2 years 6 months |  |
Reverse stock split | 1-for-6 reverse split |  |  |  |  |
Loss from operations |  | $ (1,725,000) | $ (928,000) | $ (3,993,000) | $ (3,480,000) | $ (103,136,000)
Cash flows from operations |  |  |  | (3,416,000) | (3,408,000) | (100,837,000)
Revenue generated by the company |  |  |  |  |  | $ 0
Phase 3 heart failure (HF) trial of Gencaro |  |  |  |  |  |
Company Development Stage and Basis of Presentation (Textual) [Abstract] |  |  |  |  |  |
Number of patients |  |  |  | 2,708 |  |
Number of patients company plans to enroll |  |  |  | 420 |  |

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