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Common Shares (Tables)

6 Months Ended

Jun. 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 June 30, 2018		6,514,625		$	1.92		1.1		$	—

Summary of Stock-based Compensation Expense

		Three Months Ended June 30,						Six Months Ended June 30,
		2018			2017			2018			2017
Stock options		$	54		$	12		$	200		$	24
Restricted stock units			192			169			384			403
		$	246		$	181		$	584		$	427

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		820,000			0.75
Exercised		(30,000)			0.36
Outstanding - June 30, 2018		1,934,500		$	0.56		2.36		$	327
Exercisable - June 30, 2018		1,134,912		$	0.51		1.64		$	246

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		820,000			0.48
Vested		(266,662)			0.48
Unvested - June 30, 2018		799,588		$	0.40		1.20

Summary of Stock Option Assumptions

		2018
Expected volatility		77.1	%
Risk-free interest rate		2.6	%
Expected life (years)		5
Dividend yield		—
Forfeiture assumption		—	%

Summary of Restricted Stock Units Activity

				Weighted average
		Number		grant-date fair
		of units		value per unit
Unvested - December 31, 2017		1,567,907		$	0.85
Cancelled/forfeited		(101,392)			0.98
Vested, net of shares withheld		(127,942)			0.97
Granted		319,000			0.75
Unvested - June 30, 2018		1,657,573		$	0.81

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Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed.

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