Share capital (Tables)

3 Months Ended

Feb. 29, 2020

Share capital

Schedule of common stock outstanding roll forward

	in thousands of dollars, except share amounts
		Ascribed value
	Number of shares	$
November 30, 2018	131,585,612	164,069
Exercise of options	1,725,776	1,123
Restricted Share Units	412,501	424
Deferred Share Units	182,132	189
Exercise of warrants	6,521,740	12,166
November 30, 2019	140,427,761	177,971
Exercise of options	19,514	6
Restricted Share Units	212,501	330
February 29, 2020, issued and outstanding	140,659,776	178,307

Schedule of assumptions used in the pricing model

	February 29, 2020
Risk-free interest rates		1.64	%
Exercise price	CAD$	3.10
Expected life		3.0 years
Expected volatility		63.1	%
Expected dividends		Nil

Summary of the company's stock option plan

	February 29, 2020
		Weighted average
		exercise price
	Number of options	$
Balance – beginning of the period	9,205,600	1.08
Granted	2,050,000	2.25
Exercised	(26,667)	0.54
Forfeited	(230,000)	2.19
Balance – end of period	10,998,933	1.27

Summary of information about stock options

	Outstanding			Exercisable		Unvested
			Weighted		Weighted
	Number of	Weighted	average	Number of	average	Number of
	outstanding	average years	exercise price	exercisable	exercise price	unvested
Range of price	options	to expiry	$	options	$	options
$0.33 to $0.50	2,676,433	0.73	0.36	2,676,433	0.73	—
$0.51 to $1.00	3,195,000	2.35	0.66	3,195,000	2.35	—
$1.01 to $1.50	225,000	3.12	1.32	175,000	3.08	50,000
$1.51 to $2.00	640,000	4.46	1.81	623,333	4.49	16,667
$2.01 to $2.54	4,262,500	4.28	2.23	2,875,829	4.17	1,386,671
	10,998,933	2.84	1.27	9,545,595	2.60	1,453,338

Schedule of restricted share Units and deferred share units plans

	Number of RSUs	Number of DSUs
Balance – beginning of the period	212,501	1,137,488
Granted	—	21,927
Vested/paid	(212,501)	—
Balance – end of period	—	1,159,415