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

Note 3 - Significant Accounting Policies - Recasted Financial Statements (Details)

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Note 3 - Significant Accounting Policies - Recasted Financial Statements (Details)
$ / shares in Units, $ / shares in Units, $ in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2017
USD ($)
$ / shares
Dec. 31, 2016
USD ($)
$ / shares
Dec. 31, 2016
CAD ($)
$ / shares
Dec. 31, 2015
USD ($)
$ / shares
Dec. 31, 2015
CAD ($)
$ / shares
Dec. 31, 2016
CAD ($)
Jan. 01, 2016
USD ($)
Jan. 01, 2016
CAD ($)
Dec. 31, 2014
USD ($)
Current assets:                  
Cash and cash equivalents $ 10,631 $ 7,940   $ 8,311   $ 10,662 $ 8,311 $ 11,503 $ 12,383
Investments 798       5,957 8,245  
Prepaid expenses and other assets 396 493       663 771 1,067  
Total current assets 11,825 8,433       11,325 15,039 20,815  
Non-current assets:                  
Equipment and intangibles   213       285 314 434  
Total non-current assets 142 213       285 314 434  
Total assets 11,967 8,646       11,610 15,353 21,249  
Current liabilities:                  
Accounts payable and accrued liabilities 1,765 1,318       1,770 1,702 2,356  
Total current liabilities 1,765 1,318       1,770 1,702 2,356  
Shareholders’ equity:                  
Common shares 231,923 218,034       230,976 212,308 223,425  
Stock options 6,456 7,306       8,133 5,740 6,256  
Contributed surplus 22,909 21,413       22,267 21,188 22,037  
Warrants       85 84  
Accumulated other comprehensive loss (4,298) (4,298)       (4,783)  
Deficit (246,788) (235,127)       (251,536) (220,887) (232,909)  
Total shareholders’ equity 10,202 7,328   13,651   9,840 13,651 18,893 $ 25,233
Total liabilities and shareholders’ equity 11,967 8,646       $ 11,610 $ 15,353 $ 21,249  
Revenue        
Expenses:                  
Research and development 6,274 7,834 10,322 4,865 6,254        
General and administrative 5,552 6,439 8,344 7,992 9,845        
11,826 14,273 18,666 12,857 16,099        
Finance expense 46 66 34 43        
Finance income (165) (79) (105) (1,180) (1,516)        
Net finance (income) expense (165) (33) (39) (1,146) (1,473)        
Net loss for the year (11,661) (14,240) (18,627) (11,711) (14,626)        
Foreign currency translation gain (loss) 485 (3,519)        
Comprehensive loss for the year $ (11,661) $ (13,755) $ (18,627) $ (15,230) $ (14,626)        
Basic and diluted loss per common share (in CAD per share) | (per share) $ (0.52) $ (1.12) $ (1.46) $ (0.98) $ (1.23)