Annual report pursuant to Section 13 and 15(d)

Financial instruments (Details)

v3.6.0.2
Financial instruments (Details)
$ in Thousands
1 Months Ended 12 Months Ended
Feb. 29, 2016
USD ($)
Dec. 31, 2016
USD ($)
shares
Dec. 31, 2014
USD ($)
Dec. 31, 2016
CAD / shares
Dec. 31, 2016
USD ($)
Financial Instruments          
Cash, insured amount         $ 600
Cash, uninsured amount         8,500
Common shares issued for cash, net $883 of issue costs   $ 5,684 $ (50)    
Stock issuance costs $ 800 $ 884      
Share Price | CAD / shares       CAD 0.71  
Credit Availability Concentration Risk          
Financial Instruments          
Accounts Payable, Trade, Current         1,300
Interest Rate Risk          
Financial Instruments          
Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets, Impact of 10 Percent Adverse Change in Discount Rate         100
Minimum | Credit Availability Concentration Risk          
Financial Instruments          
Debt Instrument, Term   0 years      
Maximum | Credit Availability Concentration Risk          
Financial Instruments          
Debt Instrument, Term   5 years      
Maximum | Currency Risk          
Financial Instruments          
Foreign Currency Cash And Cash Equivalents At Carrying Value         $ 100
Capital Stock          
Financial Instruments          
Common shares issued for cash, net $883 of issue costs   $ 5,684 $ (50)    
Common shares issued for cash, net of issue costs (in shares) | shares   13,085,979