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Acquisition (Details)
$ in Thousands, $ in Millions
3 Months Ended 9 Months Ended
Apr. 30, 2020
CAD ($)
Apr. 30, 2020
USD ($)
Sep. 30, 2020
USD ($)
Sep. 30, 2020
USD ($)
Acquisition of CDF Group Limited        
Acquisition related costs     $ 344 $ 982
Interwork Group, Inc.        
Acquisition of CDF Group Limited        
Aggregate purchase price $ 5.0 $ 3,600    
Potential earn-out $ 1.1 $ 800    
Acquisition related costs     300 1,000
Revenue     $ 2,600 $ 6,300