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NOTE 14. INCOME TAXES (Tables)
12 Months Ended
Nov. 30, 2015
Income Tax Disclosure [Abstract]  
Income tax expense (recovery)
    Years ended November 30,  
    2015     2014     2013  
Current:                  
 Canada   $     $     $  
 Foreign     155       189       290  
      155       189       290  
Deferred:                        
 Canada     (2 )     74       3,606  
 Foreign                  
      (2 )     74       3,606  
Income tax expense   $ 153     $ 263     $ 3,896  
Schedule of Loss before Income Tax, Domestic and Foreign
    Years ended November 30,  
    2015     2014     2013  
 Canada   $ (14,775 )   $ (20,372 )   $ (42,077 )
 Foreign     (17,024 )     (19,849 )     (16,787 )
    $ (31,799 )   $ (40,221 )   $ (58,864 )
Schedule of Effective Income Tax Rate Reconciliation
    Years ended November 30,  
    2015     2014     2013  
Loss before income taxes     (31,799 )   $ (40,221 )   $ (58,864 )
Combined federal and provincial statutory tax rate     26.00 %     26.00 %     25.67 %
Income tax recovery based on statutory income tax rates     (8,268 )     (10,457 )     (15,110 )
Increase (decrease) attributable to:                        
(Non-deductible) taxable expenditures     3,175       3,339       2,913  
Non-taxable unrealized gain (loss) on derivative financial instruments                 615  
Effect of different statutory tax rates on earnings of subsidiaries     (2,619 )     (3,027 )     (2,773 )
Effect of statutory rate change                 (1,916 )
Effect of tax losses expired     3,878       1,424        
Change in valuation allowance     4,480       9,357       20,248  
Other     (493 )     (373 )     (81 )
Income tax expense   $ 153     $ 263     $ 3,896  
Schedule of Deferred Tax Assets and Liabilities
    At November 30,  
    2015     2014  
Deferred tax income assets:            
Asset retirement obligation   $ 186     $ 257  
Net operating loss carry forwards     212,619       214,594  
Capital loss carry forwards     31,561       37,002  
Mineral properties     16,596       19,524  
Property and equipment     198       354  
Investment in affiliates     43,315       42,343  
Share issuance costs     776       1,327  
Unpaid interest expense     4,458       4,458  
Investment tax credit     2,938       3,429  
Other     2,339       2,550  
      314,986       325,838  
Valuation allowances     (276,521 )     (281,071 )
      38,465       44,767  
Deferred income tax liabilities:                
Investment in affiliates     (36,133 )     (42,176 )
Mineral properties     (11,315 )     (13,208 )
Capitalized assets & other     (1,052 )     (1,102 )
Unrealized gain on investments           (5 )
Investment tax credit     (764 )     (882 )
      (49,264 )     (57,373 )
Net deferred income tax liabilities   $ (10,799 )   $ (12,606 )
Net deferred income tax asset, as presented in the balance sheet   $ 9,711     $ 11,445  
Net deferred income tax liability, as presented in the balance sheet   $ (20,510 )   $ (24,051 )
Summary of Operating Loss Carryforwards
Year of Expiry   U.S.   Canada  
2024   $ 1,032   $  
2025     1,246      
2026     13,382     24,498  
2027     18,493     3,935  
2028     85     519  
2029     11,223     12,238  
2030     10,916     17,607  
2031     16,580     16,519  
2032     306,333     28,940  
2033     14,529     21,642  
2034     15,606     10,021  
2035     16,833     7,605  
    $ 426,258   $ 143,524