Annual reports filed by certain Canadian issuers pursuant to Section 15(d) and Rule 15d-4

Commitments and contingencies - (Details)

v3.19.1
Commitments and contingencies - (Details)
12 Months Ended
Jan. 28, 2019
USD ($)
ft²
Dec. 14, 2014
Nov. 14, 2014
ft²
Jun. 01, 2014
ft²
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Disclosure of Commitments [Line Items]            
Incurred rent expense         $ 168,000 $ 143,000
Minimum lease payments payable under non-cancellable operating lease         800,000  
Purchase obligations         18,698,000  
Voclosporin            
Disclosure of Commitments [Line Items]            
Licensee royalty fee   2.00%        
Royalty fee   0.30%        
Disposal of substantially all of product percent of consideration transferred   0.30%        
2019            
Disclosure of Commitments [Line Items]            
Minimum lease payments payable under non-cancellable operating lease         208,000  
Purchase obligations         12,568,000  
2020            
Disclosure of Commitments [Line Items]            
Minimum lease payments payable under non-cancellable operating lease         241,000  
Purchase obligations         6,051,000  
2021            
Disclosure of Commitments [Line Items]            
Minimum lease payments payable under non-cancellable operating lease         246,000  
Purchase obligations         71,000  
2022            
Disclosure of Commitments [Line Items]            
Minimum lease payments payable under non-cancellable operating lease         105,000  
Purchase obligations         8,000  
Victoria, British Columbia            
Disclosure of Commitments [Line Items]            
Area of real estate property (in sqft) | ft²       5,540    
Term of contract       5 years    
Edmonton, Alberta            
Disclosure of Commitments [Line Items]            
Area of real estate property (in sqft) | ft²     1,247      
Term of contract     2 years      
Monthly payments         $ 1,400  
Entering into significant commitments or contingent liabilities | Victoria, British Columbia            
Disclosure of Commitments [Line Items]            
Area of real estate property (in sqft) | ft² 9,406          
Term of contract 3 years          
Notice period for cancellation 12 months          
Bottom of range | Entering into significant commitments or contingent liabilities | Victoria, British Columbia            
Disclosure of Commitments [Line Items]            
Monthly payments $ 11,000          
Top of range | Entering into significant commitments or contingent liabilities | Victoria, British Columbia            
Disclosure of Commitments [Line Items]            
Monthly payments $ 21,000