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Convertible Promissory Notes and Other Notes Payable (Details 3) - 3 months ended Jun. 30, 2015 - $ / shares
Total
Platinum and Acquired Unit Notes [Member]  
Market price per share $ 10.00
Exercise price per share $ 7.00
Risk-free interest rate 1.58%
Expected term (years) 5 years
Volatility 76.50%
Dividend rate 0.00%
Warrant shares 506,004
Fair Value per share $ 6.89
Investor Unit Notes [Member]  
Market price per share 8.00
Exercise price per share $ 7.00
Risk-free interest rate 1.57%
Expected term (years) 5 years
Volatility 75.70%
Dividend rate 0.00%
Warrant shares 327,016
Fair Value per share $ 5.15
Pre-Modification [Member]  
Market price per share $ 10.00
Risk-free interest rate 0.87%
Expected term (years) 2 years 3 months 22 days
Volatility 73.90%
Dividend rate 0.00%
Pre-Modification [Member] | Minimum [Member]  
Exercise price per share $ 20
Fair Value per share 2.44
Pre-Modification [Member] | Maximum [Member]  
Exercise price per share 30
Fair Value per share 1.57
Post-Modification [Member]  
Market price per share 10.00
Exercise price per share $ 7.00
Risk-free interest rate 0.87%
Expected term (years) 2 years 3 months 22 days
Volatility 73.90%
Dividend rate 0.00%
Fair Value per share $ 5.33
PreModification 2 [Member]  
Market price per share $ 10.00
Risk-free interest rate 0.86%
Expected term (years) 2 years 3 months 7 days
Volatility 73.80%
Dividend rate 0.00%
PreModification 2 [Member] | Minimum [Member]  
Exercise price per share $ 20
Fair Value per share 2.39
PreModification 2 [Member] | Maximum [Member]  
Exercise price per share 40
Fair Value per share 1.04
PostModification 2 [Member]  
Market price per share 10.00
Exercise price per share $ 20.00
Risk-free interest rate 1.57%
Expected term (years) 4 years 3 months 7 days
Volatility 76.70%
Dividend rate 0.00%
Fair Value per share $ 4.35
PreModification 3 [Member]  
Market price per share 16.00
Exercise price per share $ 10.00
Risk-free interest rate 1.34%
Expected term (years) 3 years 9 months 4 days
Volatility 76.30%
Dividend rate 0.00%
Fair Value per share $ 10.48
PostModification 3 [Member]  
Market price per share 16.00
Exercise price per share $ 7.00
Risk-free interest rate 1.34%
Expected term (years) 3 years 9 months 4 days
Volatility 76.30%
Dividend rate 0.00%
Fair Value per share $ 11.60