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Common Shares (Tables)

6 Months Ended

Jun. 30, 2023

Common Shares

Summary of outstanding warrants

Warrant activity is summarized in the following table.

​

​	​	​	​	​	​	​	​	​
​	​	​	​	Weighted		​	Weighted	​
​	​	​	​	Average		​	Average	​
​	​	Warrants	​	Exercise Price		​	Remaining Life	​
​		Outstanding		Per Share			(Years)
As of December 31, 2021	​	7,408,101	​	$	1.25	​	2.5	​
As of December 31, 2022	​	7,408,101	​	$	1.25	​	1.5	​
As of June 30, 2023	​	7,408,101	​	$	1.25	​	1.0	​

Summary of stock-based compensation expense

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​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Three Months Ended June 30,

​

Six Months Ended June 30,

​

​

2023

2022

2023

2022

RSUs

​

$

107

​

$

112

​

$

183

​

$

284

​

DSUs

​

​

141

​

​

—

​

​

244

​

​

272

​

​

​

$

248

​

$

112

​

$

427

​

$

556

​

Summary of restricted stock unit activity

​

​	​	​	​	​	​	​
​	​	​	​	Weighted Average		​
​	​	Number	​	Grant-Date Fair		​
​		of RSUs		Value Per RSU		​
Unvested - December 31, 2021	​	1,998,339		$	0.53
Granted	​	759,000	​	​	0.59	​
Cancelled/forfeited	​	(395,569)	​	​	0.51	​
Vested, net of shares withheld	​	(889,762)	​	​	0.49	​
Unvested - December 31, 2022	​	1,472,008		$	0.60
Granted	​	1,163,000	​	​	0.37	​
Cancelled/forfeited	​	(321,118)	​	​	0.58	​
Vested, net of shares withheld	​	(412,548)	​	​	0.60	​
Unvested - June 30, 2023	​	1,901,342	​	$	0.46	​

Summary of deferred stock units

​

​	​	​	​	​	​	​
​	​	​	​	​	​	​
​	​	​	​	​	Weighted Average	​
​	​	Number of	​	​	Grant-Date Fair	​
​		DSUs		​	Value per DSU
Outstanding - December 31, 2021	​	930,000	​	$	0.68	​
Granted	​	324,000	​	​	0.84	​
Outstanding - December 31, 2022	​	1,254,000	​	$	0.72	​
Granted	​	420,000	​	​	0.58	​
Shares issued to participants	​	(485,000)	​	​	0.69	​
Outstanding - June 30, 2023	​	1,189,000	​	$	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, 2021	​	1,367,000		$	0.71	​	1.64	​	$	38	​
Outstanding - December 31, 2022	​	1,367,000		$	0.71	​	0.64	​	$	—	​
Expired	​	(700,000)	​	​	0.75	​	​	​	​	​	​
Outstanding - June 30, 2023	​	667,000	​	$	0.67	​	0.64	​	$	—	​
​	​	​	​	​	​	​	​	​	​	​	​
Exercisable - June 30, 2023	​	667,000	​	$	0.67	​	0.64	​	$	—	​

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