Annual report pursuant to Section 13 and 15(d)

Income Taxes - Provision For Income Taxes (Details)

v3.20.4
Income Taxes - Provision For Income Taxes (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Current:      
Canada $ 0 $ 0 $ 0
Foreign (94) 144 73
Total Current (94) 144 73
Deferred:      
Canada 0 0 0
Foreign 0 0 0
Total deferred 0 0 0
Income tax (benefit) expense $ (94) $ 144 $ 73