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Related Party Transaction (Details)
$ in Thousands
1 Months Ended 3 Months Ended 12 Months Ended
Sep. 20, 2016
USD ($)
Oct. 31, 2016
USD ($)
Dec. 31, 2016
USD ($)
term
Dec. 31, 2018
USD ($)
option
Dec. 31, 2017
USD ($)
Majority Shareholder | Facility in Winnipeg, Manitola          
Related Party Transaction [Line Items]          
Lease term       5 years 5 years
Number of renewal option     1 1  
Lease renewal term       5 years  
Rent expense in related party transaction     $ 86 $ 297 $ 320
Majority Shareholder | Facility in Toronto, Ontario          
Related Party Transaction [Line Items]          
Rent expense in related party transaction     5 18 18
Protoden | Intellectual Property          
Related Party Transaction [Line Items]          
Rent expense in related party transaction     $ 28 100 $ 100
Annual fee for remaining term of lease       $ 100  
Affiliated Entity | Research and Development Investment Tax Credits          
Related Party Transaction [Line Items]          
Proceeds from related party debt (up to) $ 814 $ 697