Stockholder's Equity and Derivative Liability (Tables)

9 Months Ended

Mar. 31, 2017

Schedule of changes in derivative financial instruments liability balance

Date	Description	Number of Warrants Outstanding		Derivative Instrument Liability
July 1, 2016	Balance of derivative financial instruments liability	5,464,789		$	2,115,965
	Change in fair value of warrants for the nine months ended March 31, 2017	—		1,871,458
Exercise of warrants	Warrants issued in conjunction with the April 2016 offering with an exercise price of $1.70	(50,000	)	(75,417		)
March 31, 2017	Balance of derivative financial instruments liability	5,414,789		$	3,912,006

October 13 2015

Schedule of fair value of liabilities recognized at fair value on recurring basis

	June 30, 2016			March 31, 2017
Price of ContraVir common stock	$	2.76		$	1.77
Expected warrant term (years)	5.00 years			3.53 years
Risk-free interest rate	1.36		%	1.61		%
Expected volatility	76		%	70		%
Dividend yield	—			—

April 4 2016

Schedule of fair value of liabilities recognized at fair value on recurring basis

	June 30, 2016			March 31, 2017
Price of ContraVir common stock	$	1.16		$	1.77
Expected warrant term (years)	5.00 years			4.01 years
Risk-free interest rate	1.22		%	1.70		%
Expected volatility	76		%	73		%
Dividend yield	—			—