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NOTE 14. INCOME TAXES (Tables) | 12 Months Ended
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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 |

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