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CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Current assets:    
Cash and cash equivalents $ 1,904 $ 902
Short-term investments (Note 3) 21,975 11,990
Other investments, at fair value (Note 3) 4,994 1,798
Other current assets 648 512
Total current assets 29,521 15,202
Non-current assets:    
Mineral properties (Note 4) 3,874 3,874
Plant and equipment, net (Note 5) 8,213 8,792
Total non-current assets 12,087 12,666
Total assets 41,608 27,868
Current liabilities:    
Accounts payable 252 115
Accrued liabilities and other 481 688
Provision for environmental liability (Note 15) 350  
Total current liabilities 1,083 803
Total liabilities 1,083 803
Commitments and contingencies – (Note 8)
Shareholders' equity:    
Common shares, no par value - unlimited shares authorized; shares outstanding: 2016 - 97,786,608 and 2015 - 82,883,562 (Note 6) 455,443 438,900
Accumulated other comprehensive income/(loss) 15 (35)
Accumulated deficit (414,933) (411,800)
Total shareholders' equity 40,525 27,065
Total liabilities and shareholders' equity $ 41,608 $ 27,868