Share-Based Compensation (Details) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022 USD ($) performanceMetric $ / shares shares	Sep. 30, 2021 USD ($) $ / shares shares	Sep. 30, 2022 USD ($) performanceMetric $ / shares shares	Sep. 30, 2021 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense | $	$ 818	$ 443	$ 1,589	$ 1,814
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Other than options granted (in shares)	23,000	0	486,000	414,000
Number of common stock issuable per each award (in shares)			1,000
Award vesting period			3 years
Weighted average price per share (in dollars per share) | $ / shares	$ 1.74		$ 1.90	$ 2.36
DSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of common stock issuable per each award (in shares)			1
Award vesting period			3 years
Number of levels of performance metrics | performanceMetric	3		3
Threshold number of performance metrics to be met for units to vest | performanceMetric	1		1
Deferred Stock Units Grant 1
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Other than options granted (in shares)	276,000	5,000	1,066,000	780,000
Weighted average exercise price of options lapsed (in dollars per share) | $ / shares	$ 1.74	$ 2.57	$ 1.86	$ 2.36
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average exercise price of options lapsed (in dollars per share) | $ / shares			$ 4.05	$ 4.95
Options outstanding (in shares)	1,123,000	1,353,000	1,123,000	1,353,000
Weighted average exercise price of outstanding options (in dollars per share) | $ / shares	$ 3.83	$ 3.87	$ 3.83	$ 3.87
Grants in period (in shares)			0	0
Options lapsed (in shares)			230,000	211,000