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Derivative Financial Instruments - Warrants (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Changes in the Company's derivative financial instruments liability balance        
Balance of warrants outstanding at the beginning of the period (in shares)     6,265,620  
Exercised (in shares)     (732,378)  
Balance of warrants outstanding at the end of the period (in shares) 5,533,242   5,533,242  
Balance of derivative financial instruments liability at the beginning of the period     $ 3,006,021  
Derivative instrument liability     (435,365)  
Change in fair value of warrants during the period recognized as a gain in the condensed consolidated statement of operations $ (4,017,212) $ 1,029,333 1,105,270 $ (1,220,655)
Balance of derivative financial instruments liability at the end of the period $ 3,675,926   $ 3,675,926  
Warrants | Black Scholes Option Pricing Method        
Range of assumptions used to determine the fair value of warrants        
Dividend yield (as a percent)     0.00% 0.00%
Changes in the Company's derivative financial instruments liability balance        
Balance of warrants outstanding at the beginning of the period (in shares)     1,013,961  
Exercised (in shares)     (46,666)  
Balance of warrants outstanding at the end of the period (in shares) 967,295   967,295  
Balance of derivative financial instruments liability at the beginning of the period     $ 3,006,021  
Balance of derivative financial instruments liability at the end of the period $ 3,675,926   $ 3,675,926  
Warrants | Black Scholes Option Pricing Method | Minimum        
Range of assumptions used to determine the fair value of warrants        
Estimated fair value of Trovagene common stock (in dollars per share)     $ 5.69 $ 3.50
Expected warrant term     3 years 3 months 18 days 4 years 3 months
Risk-free interest rate     0.89% 1.62%
Expected volatility (as a percent)     75.00% 74.00%
Warrants | Black Scholes Option Pricing Method | Maximum        
Range of assumptions used to determine the fair value of warrants        
Estimated fair value of Trovagene common stock (in dollars per share)     $ 10.15 $ 5.73
Expected warrant term     3 years 9 months 18 days 4 years 9 months 18 days
Risk-free interest rate     1.01% 1.78%
Expected volatility (as a percent)     77.00% 83.00%