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Common Shares (Tables)

9 Months Ended

Sep. 30, 2018

Capital Stock [Abstract]

Summary of Warrant Activity

				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 September 30, 2018		6,514,625		$	1.92		0.9		$	—

Summary of Stock-based Compensation Expense

		Three Months Ended September 30,						Nine Months Ended September 30,
		2018			2017			2018			2017
Stock options		$	107		$	8		$	307		$	32
Restricted stock units			164			245			548			648
		$	271		$	253		$	855		$	680
Phantom units (Discussed below)			11			—			11			—

Summary of Option Activity

				Weighted average			Weighted average		Aggregate
		Number of		exercise price			remaining		intrinsic
		options		per option			contractual term		value
Outstanding - December 31, 2017		1,144,500		$	0.42		1.15		$	346
Granted		1,142,000			0.71
Exercised		(40,000)			0.40
Outstanding - September 30, 2018		2,246,500		$	0.57		2.51		$	130
Exercisable - September 30, 2018		1,240,581		$	0.52		1.71		$	94

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
Vested		(382,331)			0.45
Unvested - September 30, 2018		1,005,919		$	0.39		1.24

Summary of Stock Option Assumptions

		2018
Expected volatility		76.2	%
Risk-free interest rate		2.7	%
Expected life (years)		5
Dividend yield		—
Forfeiture assumption		—	%

Summary of Restricted Stock Units Activity

				Weighted average
		Number		grant-date fair
		of RSUs		value per RSU
Unvested - December 31, 2017		1,567,907		$	0.85
Cancelled/forfeited		(246,683)			0.90
Vested, net of shares withheld		(637,554)			0.88
Granted		319,000			0.75
Unvested - September 30, 2018		1,002,670		$	0.78

Summary of Phantom Units

				Weighted average
		Number of		remaining
		phantom units		contractual term
Unvested - December 31, 2017		—
Granted		265,000
Unvested - September 30, 2018		265,000		1.75

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