Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details)

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Stockholders' Equity (Details) - Warrant [Member] - $ / shares
3 Months Ended 12 Months Ended
Mar. 31, 2016
Dec. 31, 2015
Schedule of warrant activities    
Number of Warrants Outstanding, Beginning balance 12,809,950  
Number of Warrants, Issued in connection with various financings [1] 14,744,666  
Number of Warrants, Reset Warrants [2] 25,284,713  
Number of Warrants Outstanding, Ending balance 52,839,329 12,809,950
Weighted Average Exercise Price Outstanding, Beginning Balance $ 1.14  
Weighted Average Exercise Price, Issued in connection with various financings [1] 0.48  
Weighted Average Exercise Price, Reset Warrants [2] 0.24  
Weighted Average Exercise Price Outstanding, Ending Balance $ 0.39 $ 1.14
Weighted Average Remaining Contractual Term, Outstanding 4 years 7 months 17 days 4 years 6 months 7 days
[1] The warrants contain "down round protection" and the Company classifies these warrant instruments as liabilities at their fair value and adjusts the instruments to fair value at each reporting period.
[2] Certain warrants contain aggregate exercise provisions, and upon a reset the exercise price is decreased and the amount of common stock available under the warrant agreement increases. During the 1st quarter a reset occurred decreasing the exercise price from $2.00 to $0.24, and increasing the amount of common stock available to be issued from 12,727,000 to 38,011,000