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UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Current assets:    
Cash and cash equivalents $ 16,018 $ 7,762
Short-term investments (Note 3)   400
Other investments, at fair value (Note 3) 334 293
Other current assets 461 952
Total current assets 16,813 9,407
Non-current assets:    
Mineral properties (Note 4) 2,146 2,146
Plant and equipment, net (Note 5) 5,712 5,643
Right-of-use assets 19 34
Total non-current assets 7,877 7,823
Total assets 24,690 17,230
Current liabilities:    
Accounts payable 555 356
Accrued liabilities and other 1,035 702
Deferred option gain (Note 4) 383 68
Total current liabilities 1,973 1,126
Non-current liabilities:    
Provision for environmental liability (Note 7) 240 240
Other liabilities 27 13
Total non-current liabilities 267 253
Total liabilities 2,240 1,379
Commitments and contingencies (Note 8)
Shareholders' equity:    
Common shares, no par value - unlimited shares authorized; shares outstanding: 2021 - 117,189,232 and 2020 - 103,171,904 (Note 6) 474,021 460,501
Accumulated deficit (451,571) (444,650)
Total shareholders' equity 22,450 15,851
Total liabilities and shareholders' equity $ 24,690 $ 17,230