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Common Shares (Tables)

6 Months Ended

Jun. 30, 2019

Common Shares

Summary of outstanding warrants

				Weighted			Weighted
				average			average
		Warrants		exercise price			remaining life
		outstanding		per share			(yrs.)		Intrinsic value
As of December 31, 2017		6,514,625		$	1.92		1.6		$	—
As of December 31, 2018		6,514,625		$	1.92		0.6		$	—
As of June 30, 2019		6,514,625		$	1.92		0.1		$	—

Summary of stock-based compensation expense

		Three Months Ended June 30,						Six Months Ended June 30,
		2019			2018			2019			2018
Stock options		$	81		$	54		$	131		$	200
Restricted stock units			126			192			127			384
Deferred share units			209			—			209			—
		$	416		$	246		$	467		$	584
Phantom units		$	22		$	—		$	44		$	—

Summary of option activity

							Weighted average
				Weighted average			remaining		Aggregate
		Number of		exercise price			contractual term		intrinsic
		options		per option			(years)		value
Outstanding - December 31, 2017		1,144,500			0.42		1.15		$	346
Granted		1,142,000			0.71
Exercised		(218,600)			0.39					36
Cancelled/Forfeited		(748,751)			0.36					—
Outstanding - December 31, 2018		1,319,149		$	0.71		3.84		$	1
Granted		350,000			0.73
Exercised		(127,000)			0.52					29
Cancelled/Forfeited		(149)			0.52					—
Outstanding - June 30, 2019		1,542,000		$	0.73		3.98		$	67
Exercisable - June 30, 2019		877,330		$	0.75		3.86		$	28

Summary of the status of unvested stock options

							Weighted
				Weighted			average
				average			remaining
				grant-date			amortization
		Number of		fair value			period
		options		per option			(years)
Unvested - December 31, 2017		246,250			0.22		0.99
Granted		1,142,000			0.45
Cancelled/Forfeited		(246,250)			0.22
Vested		(382,331)			0.45
Unvested - December 31, 2018		759,669		$	0.45		1.14
Granted		350,000			0.30
Vested		(444,999)			0.41
Unvested - June 30, 2019		664,670		$	0.40		0.99

Summary of stock option assumptions

		2019			2018
Expected volatility		61.1	%		77.1	%
Risk-free interest rate		2.0	%		2.6	%
Expected life (years)		2.8			5.0
Dividend yield		0	%		0	%
Forfeiture assumption		0	%		0	%

Summary of restricted stock unit activity

				Weighted average
		Number		grant-date fair
		of RSUs		value per RSU
Unvested - December 31, 2017		1,567,907		$	0.85
Granted		319,000			0.75
Cancelled/forfeited		(246,683)			0.90
Vested, net of shares withheld		(637,554)			0.88
Unvested - December 31, 2018		1,002,670		$	0.78
Granted		1,349,000			0.47
Cancelled/forfeited		(198,821)			0.76
Vested, net of shares withheld		(142,380)			0.75
Unvested - June 30, 2019		2,010,469		$	0.58

Summary of deferred stock units

				Weighted average
		Number of		grant-date fair
		DSUs		value per DSU
Outstanding - December 31, 2018		—		—
Granted		366,000		0.57
Outstanding - June 30, 2019		366,000		0.57

Summary of phantom units

				Weighted average
				remaining
		Number of		vesting term
		phantom units		(years)
Unvested - December 31, 2017		—
Granted		265,000
Unvested - December 31, 2018		265,000		1.50
Granted		—
Unvested - June 30, 2019		265,000		1.00

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