Stock Based Compensation (Tables)

9 Months Ended

12 Months Ended

Mar. 31, 2019

Jun. 30, 2018

Stock Based Compensation

Stock option activity

	March 31, 2019
Number of options outstanding:
Beginning of year		4,145,735
Granted		1,698,239
Exercised, converted		(267,847	)
Forfeited / exchanged / modification		(138,535	)
End of period		5,437,592
Number of options exercisable at end of period		763,453
Number of options available for grant at end of period		4,562,408
Weighted average option prices per share:
Granted during the period	$	0.66
Exercised during the period	$	0.25
Terminated during the period	$	1.19
Outstanding at end of period	$	0.25
Exercisable at end of period	$	0.25

A summary of stock option activity is as follows:

	June 30, 2018
Number of options outstanding:
Beginning of year		-
Granted		4,398,935
Exercised, converted		(54,000	)
Forfeited / exchanged / modification		(199,200	)
End of period		4,145,735
Number of options exercisable at end of period		1,181,435
Number of options available for grant at end of period		764,565
Weighted average option prices per share:
Granted during the period	$	0.25
Exercised during the period	$	0.25
Terminated during the period	$	0.25
Outstanding at end of period	$	0.25
Exercisable at end of period	$	0.25

Weighted average assumptions

	2019
Expected option life (years)	3 - 5
Expected stock price volatility	147%-170		%
Expected dividend yield		—	%
Risk-free interest rate	2.35-3.01		%

This estimate was made using the Black-Scholes option pricing model and the following weighted average assumptions:

	2018
Expected option life (years)		2.5 - 3
Expected stock price volatility		144	%
Expected dividend yield		— %
Risk-free interest rate		2.31% - 2.78	%