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Income Taxes - Summary of Effective Income Tax Rate Reconciliation (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Income Tax [Line Items]      
(Loss) income before income taxes $ (12,651) $ 8,818 $ (3,541)
Tax (recovery) calculated at US domestic tax rates (2,592) 1,869 (744)
State tax adjustments (230) (310) (350)
Non-deductible items 1,516 (6,531) 1,304
True up of prior year income tax estimates (648) (181) 207
Capitalized debt amortization costs     (631)
Share of income from joint venture   (228) (4,367)
Unrealized foreign exchange     (276)
Deferred adjustment (2,429) 343 (1,920)
Differences attributed to joint venture capital transactions     (487)
Tax rate differences on deferred items 397 49 (42)
Change in tax rates 5 37  
Change in valuation allowance 57 3 (144)
Other 398 516 112
Provision For (Recovery Of) Income Taxes (3,526) (2,790) (5,866)
Canadian [Member]      
Income Tax [Line Items]      
Differences in Canadian tax rates   1,643 1,472
Provision For (Recovery Of) Income Taxes $ (207) $ 2,263 $ 799