Derivative Financial Instruments - Warrants (Tables) - Black Scholes Option Pricing Method

6 Months Ended

Jun. 30, 2019

Schedule of Assumptions Used to Determine the Fair Value of the Warrants

The range of assumptions used to determine the fair value of the warrants valued using the Black-Scholes option pricing model during the periods indicated were:



	Six Months Ended June 30,
	2019		2018
Estimated fair value of Trovagene common stock	2.50-3.75		4.62-25.20
Expected warrant term	3.6-4.1 years		0.5-5.1 years
Risk-free interest rate	1.72-2.49%		1.76-2.71%
Expected volatility	102-106%		91-131%
Dividend yield	0	%	0	%

Schedule of Components of Changes in the Company’s Derivative Financial Instruments Liability Balance

The following table sets forth the components of changes in the Company’s derivative financial instruments—warrants liability balance, valued using the Black-Scholes option pricing method, for the periods indicated.



Date	Description	Number of Warrants	Derivative Instrument Liability
December 31, 2018	Balance of derivative financial instruments—warrants liability	64,496	$	32,315
	Change in fair value of derivative financial instruments—warrants during the period recognized as a gain in the condensed statements of operations	—	(14,028		)
June 30, 2019	Balance of derivative financial instruments—warrants liability	64,496	$	18,287