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CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Current assets: |  |
Cash and cash equivalents | $ 1,071 | $ 1,431
Short-term investments (Note 3) | 6,997 | 15,144
Other investments, at fair value (Note 3) | 5,462 | 3,746
Other current assets | 540 | 794
Total current assets | 14,070 | 21,115
Non-current assets: |  |
Mineral properties (Note 4) | 2,421 | 2,471
Plant and equipment, net (Note 5) | 5,635 | 7,555
Total non-current assets | 8,056 | 10,026
Total assets | 22,126 | 31,141
Current liabilities: |  |
Accounts payable | 195 | 830
Accrued liabilities and other | 435 | 986
Provision for environmental liability | 242 | 242
Total current liabilities | 872 | 2,058
Total liabilities | 872 | 2,058
Commitments and contingencies – (Note 8) |  |
Shareholders' equity: |  |
Common shares, no par value - unlimited shares authorized; shares outstanding: 2018 - 100,268,161 and 2017 - 99,412,007 (Note 6) | 456,938 | 456,053
Accumulated other comprehensive loss |  | (2)
Accumulated deficit | (435,684) | (426,968)
Total shareholders' equity | 21,254 | 29,083
Total liabilities and shareholders' equity | $ 22,126 | $ 31,141

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