Derivative Financial Instruments - Warrants (Details)	12 Months Ended
Dec. 31, 2020 USD ($) $ / shares shares	Dec. 31, 2019 USD ($) $ / shares shares
Changes in the Company's derivative financial instruments liability balance
Balance of warrants outstanding at the beginning of the period (in shares) \| shares	10,589,482	3,649,341
Balance of warrants outstanding at the end of the period (in shares) \| shares	5,260,992	10,589,482
Balance of derivative financial instruments liability at the beginning of the period	$ 4,127
Change in fair value of derivative financial instruments—warrants during the year recognized as a loss in the statement of operations	280,844	$ (28,188)
Balance of derivative financial instruments liability at the end of the period	$ 284,971	$ 4,127
Warrants to purchase Common Stock
Changes in the Company's derivative financial instruments liability balance
Weighted average remaining contractual life	2 years 1 month 6 days	3 years 1 month 6 days
Warrants to purchase Common Stock \| Weighted Average
Range of assumptions used to determine the fair value of warrants
Estimated fair value of Trovagene common stock (in dollars per share) \| $ / shares	$ 17.99
Warrants to purchase Common Stock \| 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	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	$ 4,127	$ 32,315
Change in fair value of derivative financial instruments—warrants during the year recognized as a loss in the statement of operations	280,844	(28,188)
Balance of derivative financial instruments liability at the end of the period	$ 284,971	$ 4,127
Warrants to purchase Common Stock \| 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	$ 1.01	$ 1.24
Warrants to purchase Common Stock \| 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	$ 17.99	$ 3.75
Expected term \| Warrants to purchase Common Stock \| Weighted Average
Range of assumptions used to determine the fair value of warrants
Expected warrant term	2 years 1 month 6 days
Expected term \| Warrants to purchase Common Stock \| Black Scholes Option Pricing Method \| Minimum
Range of assumptions used to determine the fair value of warrants
Expected warrant term	2 years 1 month 6 days	3 years 1 month 6 days
Expected term \| Warrants to purchase Common Stock \| Black Scholes Option Pricing Method \| Maximum
Range of assumptions used to determine the fair value of warrants
Expected warrant term	3 years 1 month 6 days	4 years 1 month 6 days
Risk-free interest rate \| Warrants to purchase Common Stock \| Weighted Average
Range of assumptions used to determine the fair value of warrants
Measurement input	0.0013
Risk-free interest rate \| Warrants to purchase Common Stock \| Black Scholes Option Pricing Method \| Minimum
Range of assumptions used to determine the fair value of warrants
Measurement input	0.0013	0.0156
Risk-free interest rate \| Warrants to purchase Common Stock \| Black Scholes Option Pricing Method \| Maximum
Range of assumptions used to determine the fair value of warrants
Measurement input	0.0162	0.0249
Expected volatility \| Warrants to purchase Common Stock \| Weighted Average
Range of assumptions used to determine the fair value of warrants
Measurement input	1.16
Expected volatility \| Warrants to purchase Common Stock \| Black Scholes Option Pricing Method \| Minimum
Range of assumptions used to determine the fair value of warrants
Measurement input	1.10	1.02
Expected volatility \| Warrants to purchase Common Stock \| Black Scholes Option Pricing Method \| Maximum
Range of assumptions used to determine the fair value of warrants
Measurement input	1.18	1.11
Dividend yield \| Warrants to purchase Common Stock
Range of assumptions used to determine the fair value of warrants
Measurement input	0	0
Dividend yield \| Warrants to purchase Common Stock \| Weighted Average
Range of assumptions used to determine the fair value of warrants
Measurement input	0

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Represents the estimated fair value of warrant.

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Number of warrants or rights outstanding.

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- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

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The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Value of input used to measure outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
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