Organization and Summary of Significant Accounting Policies (Details Textual) - USD ($) $ in Thousands |
1 Months Ended | 3 Months Ended | 9 Months Ended | |||||
|---|---|---|---|---|---|---|---|---|
May 31, 2016 |
Sep. 30, 2015 |
Sep. 30, 2016 |
Sep. 30, 2015 |
Sep. 30, 2016 |
Sep. 30, 2015 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Schedule of Organization and Summary of Significant Accounting Policies [Line Items] | ||||||||
| Fair Value Adjustment of Warrants | $ (5) | $ (2) | $ (111) | $ (4,466) | ||||
| Cash and Cash Equivalents, at Carrying Value, Total | $ 9,690 | $ 16,489 | $ 9,690 | $ 16,489 | $ 9,690 | $ 7,857 | $ 15,470 | |
| Stockholders' Equity, Reverse Stock Split | Board effected the Reverse Split of the outstanding shares of our common stock with the result that every five and one-half (5.5) outstanding shares of common stock before the Reverse Split represents one (1) share of common stock after the Reverse Split. | 1 for 5.5 reverse stock split effected in September 2015 | ||||||
| Revenue Recognition, Milestone Method, Revenue Recognized | $ 15,000 | |||||||