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Common Shares (Tables)

3 Months Ended

Mar. 31, 2021

Common Shares

Summary of stock-based compensation expense

​

​	​	​	​	​	​	​	​	​	​
​	​	​	​	Three Months Ended March 31,
​			2021			2020
RSUs	​	​	$	206	​	$	151	​	​
DSUs	​	​	​	212	​	​	209	​	​
Stock Options	​	​	​	3	​	​	30	​	​
​	​	​	$	421	​	$	390	​	​
​	​	​	​	​	​	​	​	​	​
Phantom units	​	​	$	18	​	$	(1)	​	​

Summary of restricted stock unit activity

​

​	​	​	​	​	​	​
​	​	​	​	Weighted Average		​
​	​	Number	​	Grant-Date Fair		​
​		of RSUs		Value Per RSU		​
Unvested - December 31, 2019	​	1,491,301		$	0.51
Granted	​	1,609,000	​	​	0.41	​
Cancelled/forfeited	​	(237,853)	​	​	0.60	​
Vested, net of shares withheld	​	(395,446)	​	​	0.63	​
Unvested - December 31, 2020	​	2,467,002		$	0.42
Granted	​	891,000	​	​	0.76	​
Cancelled/forfeited	​	(212,445)	​	​	0.56	​
Vested, net of shares withheld	​	(421,219)	​	​	0.55	​
Unvested - March 31, 2021	​	2,724,338	​	$	0.50	​

Summary of deferred stock units

​

​	​	​	​	​	​	​
​	​	​	​	​	​	​
​	​	​	​	​	Weighted Average	​
​	​	Number of	​	​	Grant-Date Fair	​
​		DSUs		​	Value per DSU
Unvested - December 31, 2019	​	366,000	​	$	0.57	​
Granted	​	360,000	​	​	0.58	​
Outstanding - December 31, 2020	​	726,000	​	$	0.57	​
Granted	​	204,000	​	​	1.04	​
Outstanding - March 31, 2021	​	930,000	​	$	0.68	​

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, 2019	​	1,437,000		$	0.73	​	3.49	​	$	35	​
Granted	​	50,000	​	​	0.51	​	​	​	​	​	​
Exercised	​	(50,000)	​	​	0.75	​	​	​	​	9	​
Cancelled/Forfeited	​	(70,000)	​	​	1.02	​	​	​	​	—	​
Outstanding - December 31, 2020	​	1,367,000		$	0.71	​	2.63	​	$	507	​
Outstanding - March 31, 2021	​	1,367,000	​	$	0.71	​	2.39	​	$	479	​
​	​	​	​	​	​	​	​	​	​	​	​
Exercisable - March 31, 2021	​	1,333,667	​	$	0.71	​	2.37	​	$	467	​

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, 2019	​	514,004	​	$	0.40	​	0.61	​
Granted	​	50,000	​	​	0.20	​	​	​
Vested	​	(530,671)	​	​	0.38	​	​	​
Unvested - December 31, 2020	​	33,333	​	$	0.31	​	0.25	​
Unvested - March 31, 2021	​	33,333	​	$	0.31	​	0.01	​

Summary of phantom units

​

​	​	​	​	​	​
​	​	​	​	Weighted Average	​
​	​	​	​	Remaining	​
​	​	Number of	​	Vesting Term	​
​		Phantom Units		(Years)
Unvested - December 31, 2019	​	144,000		1.00	​
Vested	​	(72,000)	​	​	​
Unvested - December 31, 2020	​	72,000	​	0.50	​
Unvested - March 31, 2021	​	72,000	​	0.25	​

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