13. STOCKHOLDERS' DEFICIENCY (Tables)

12 Months Ended

Jun. 30, 2019

Stockholders' deficiency:

Outstanding Stock Purchase Warrants

Shares of Common	Exercise Price per	Latest Termination
Stock	Share	Date
666,666	0.75	December 23, 2019
2,191,781	0.91	July 2, 2020
549,450	0.91	July 2, 2020
9,441,313	0.70	August 4, 2021
25,000	0.70	August 4, 2021
9,414,503	0.80	December 6, 2021
22,288,713

Option activity

	Number of Shares			Weighted Average Exercise Price		Weighted Average Remaining Term in Years		Aggregate Intrinsic Value
Outstanding - July 1, 2016		5,261,740			1.21		6.2
Granted		4,119,000			0.46
Forfeited		(410,388	)		1.12
Expired		(43,220	)		22.59
Outstanding - June 30, 2017		8,927,132			0.76		7.5
Granted		4,182,550			0.90
Forfeited		(39,500	)		1.70
Exercised		(208,900	)		0.77
Expired		(85,820	)		6.95
Outstanding - June 30, 2018		12,775,462			0.76		7.7
Granted		2,340,200			1.34
Forfeited		(280,362	)		0.62
Exercised		(270,500	)		0.64
Expired		(129,150	)		1.77
Outstanding - June 30, 2019		14,435,650		$	0.85		7.3	$ 5,021,759
Exercisable at June 30, 2019		8,226,113		$	0.77		6.1	$ 3,311,791
Expected to vest at June 30, 2019		6,209,537		$	0.95		8.9	$ 1,709,968

Weighted average assumptions

	2019			2018			2017
Risk-free interest rate		1.9	%		1.8	%		1.7	%
Volatility factor		69.3	%		52.6	%		75.0	%
Dividend yield		0	%		0	%		0	%
Expected option life (years)		6.1			6.0			6.2
Weighted average grant date fair value	$	0.85		$	0.58		$	0.27

Restricted Stock Units

	2019			2018			2017
Outstanding at beginning of year		9,323,876			5,209,617			2,665,768
Granted		1,517,450			4,914,550			3,192,000
Forfeited		(182,351	)		(5,250	)		(68,751	)
Vested		(331,142	)		(795,041	)		(579,400	)
Outstanding at end of year		10,327,833			9,323,876			5,209,617