| 11. | Income tax |
| | | 2017 | | | 2016 | | | 2015 | | |||
| | | $ | | | $ | | | $ | | |||
| | | | | | | | | | | | | |
| Net income (loss) | | | (3,297,578) | | | | 7,217,068 | | | | 14,320,556 | |
| | | | | | | | | | | | | |
| | | | 26 | % | | | 26 | % | | | 26 | % |
| | | | | | | | | | | | | |
| Income tax recovery at statutory rates | | | (857,370) | | | | 1,876,438 | | | | 3,723,345 | |
| Non-taxable (deductible) expenses | | | 80,641 | | | | 26,375 | | | | 19,159 | |
| Difference/change in tax rates | | | - | | | | (671,958) | | | | 1,093,732 | |
| Difference in gain on disposition of Minco Resources | | | - | | | | - | | | | (6,662,076) | |
| Reduction of tax attributes from sale of Minco Resources | | | - | | | | - | | | | 6,668,881 | |
| Expiry of non-capital loss carry forward | | | - | | | | - | | | | 300,755 | |
| Deferred income tax asset not recognized | | | 791,748 | | | | (1,245,922) | | | | (5,252,629) | |
| Other | | | (15,019) | | | | 15,067 | | | | 108,833 | |
| | | | | | | | | | | | | |
| Provision for tax expenses | | | - | | | | - | | | | - | |
| | | 2017 | | 2016 | | ||
| | | $ | | $ | | ||
| | | | | | | | |
| Deferred income tax assets (liabilities) not recognized | | | | | | | |
| Non-capital loss | | | 4,473,755 | | | 3,718,815 | |
| Resource expenditures | | | 534,069 | | | 680,236 | |
| Capital assets | | | 36,236 | | | 34,127 | |
| Investments | | | (832,557) | | | (1,043,545) | |
| Capital loss | | | 1,036,875 | | | 1,066,999 | |
| | | | | | | | |
| | | | 5,248,378 | | | 4,456,631 | |
| | | $ | | |
| | | | | |
| 2026 | | | 1,442,234 | |
| 2028 | | | 1,582,716 | |
| 2029 | | | 1,270,045 | |
| 2030 | | | 1,285,615 | |
| 2031 | | | 1,933,078 | |
| 2032 | | | 2,131,656 | |
| 2033 | | | 1,535,838 | |
| 2034 | | | 1,324,803 | |
| 2035 | | | 1,201,864 | |
| 2036 | | | 1,558,996 | |
| 2037 | | | 1,302,620 | |
| | | | 16,569,465 | |