Stock warrants (Tables)

6 Months Ended

Dec. 31, 2018

Notes to Financial Statements

Schedule of Warrants Outstanding

As of December 31, 2018 and June 30, 2018, the fair value of the warrant liability was $14,480 and $40,400, respectively. The Binomial Option Price Model with the following assumption inputs:

Warrants liability	December 31, 2018
Annual dividend yield		—
Expected life (years)		0.5
Risk-free interest rate		2.45	%
Expected volatility		138	%
Warrants issued in May 2017		June 30, 2018
Annual dividend yield		—
Expected life (years)		0.5
Risk-free interest rate		2.06	%
Expected volatility		151	%

Below is the movement of warrants for the period ending December 31, 2018:

	Number of  Shares		Weighted Average  Exercise Price		Weighted Average Remaining contractual life
Outstanding at June 30, 2016		131,250	$	0.20
Expired		131,250		0.20		4
Granted		505,000	$	0.15		3.86
Outstanding at June 30, 2017		505,000		0.20
Exercised		—		—
Granted		—	$	—
Outstanding at June 30, 2018		505,000	$	0.15		0.5
Granted		—		—
Exercised		—		—
Outstanding at December 31, 2018		505,000	$	0.15		0.5