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           5. Derivative Liabilities 
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           Sep. 30, 2014 
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| Derivative Liability [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Derivative Liabilities | 
 The Company deems financial instruments, which require net-cash settlement, as either an asset or a liability. The common stock purchase warrants issued in conjunction with the Companys December 9, 2013 and February 26, 2014 registered direct offerings contain net-cash settlement features, which give the warrant holder the right to a net-cash settlement in the event certain transactions occur. Pursuant to the terms of the warrants, if such a transaction occurs, the warrant holder will be entitled to a net-cash settlement value calculated using the Black-Scholes valuation model using an expected volatility equal to the greater of 100% and the 30 day volatility obtained from the Bloomberg Historical Volatility (HVT) function on Bloomberg, an expected term equal to the remaining term of the warrants, and applicable risk-free interest rate corresponding to the U.S. Treasury. 
 The derivative liabilities relating to the warrants with net-cash settlement provisions were valued using the Black-Scholes option valuation model and the following assumptions on the following dates: 
 
 
 The following table sets forth a summary of the changes in the fair value of our Level 3 financial liabilities that are measured at fair value on a recurring basis: 
 
 
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