Derivative Financial Instruments - Warrants (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2019 USD ($) shares	Jun. 30, 2018 USD ($)	Jun. 30, 2019 USD ($) $ / shares shares	Jun. 30, 2018 USD ($) $ / shares
Changes in the Company's derivative financial instruments liability balance
Balance of warrants outstanding at the beginning of the period (in shares) | shares			3,649,341
Balance of warrants outstanding at the end of the period (in shares) | shares	4,404,185		4,404,185
Balance of derivative financial instruments liability at the beginning of the period			$ 32,315
Change in fair value of warrants during the period recognized as a gain in the condensed consolidated statement of operations	$ (23,789)	$ (711,229)	(14,028)	$ (581,540)
Balance of derivative financial instruments liability at the end of the period	$ 18,287		$ 18,287
Warrants | Black Scholes Option Pricing Method
Changes in the Company's derivative financial instruments liability balance
Balance of warrants outstanding at the beginning of the period (in shares) | shares			64,496
Balance of warrants outstanding at the end of the period (in shares) | shares	64,496		64,496
Balance of derivative financial instruments liability at the beginning of the period			$ 32,315
Change in fair value of warrants during the period recognized as a gain in the condensed consolidated statement of operations			(14,028)
Balance of derivative financial instruments liability at the end of the period	$ 18,287		$ 18,287
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) | $ / shares			$ 2.50	$ 4.62
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) | $ / shares			$ 3.75	$ 25.20
Expected warrant term | Warrants | Black Scholes Option Pricing Method | Minimum
Range of assumptions used to determine the fair value of warrants
Expected warrant term	3 years 7 months 6 days	6 months	3 years 7 months 6 days	6 months
Expected warrant term | Warrants | Black Scholes Option Pricing Method | Maximum
Range of assumptions used to determine the fair value of warrants
Expected warrant term	4 years 1 month	5 years 1 month	4 years 1 month	5 years 1 month
Risk-free interest rate | Warrants | Black Scholes Option Pricing Method | Minimum
Range of assumptions used to determine the fair value of warrants
Measurement input	0.0172	0.0176	0.0172	0.0176
Risk-free interest rate | Warrants | Black Scholes Option Pricing Method | Maximum
Range of assumptions used to determine the fair value of warrants
Measurement input	0.0249	0.0271	0.0249	0.0271
Expected volatility | Warrants | Black Scholes Option Pricing Method | Minimum
Range of assumptions used to determine the fair value of warrants
Measurement input	1.02	0.91	1.02	0.91
Expected volatility | Warrants | Black Scholes Option Pricing Method | Maximum
Range of assumptions used to determine the fair value of warrants
Measurement input	1.06	1.31	1.06	1.31
Dividend yield | Warrants | Black Scholes Option Pricing Method
Range of assumptions used to determine the fair value of warrants
Measurement input	0.00	0.00	0.00	0.00