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Consolidated Balance Sheets - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Current assets    
Cash and cash equivalents $ 18,574 $ 16,901
Trade and other receivables, net 1,253 364
Inventories, net 16,550 16,761
Prepaid expenses and other assets 1,814 2,104
Mineral properties held for sale 5,000 0
Total current assets 43,191 36,130
Investments accounted for at fair value 903 1,146
Plant and equipment, net 33,076 37,582
Mineral properties, net 83,539 92,625
Intangible assets, net 2,502 5,799
Restricted cash 22,127 23,175
Total assets 185,338 196,457
Current liabilities    
Accounts payable and accrued liabilities 6,449 5,756
Current portion of asset retirement obligation 32 32
Current portion of loans and borrowings 3,414 6,319
Total current liabilities 9,895 12,107
Warrant liabilities 3,376 3,912
Deferred revenue 2,474 2,339
Asset retirement obligation 18,248 17,001
Loans and borrowings 24,077 23,235
Total liabilities 58,070 58,594
Equity    
Share capital Common shares, without par value, unlimited shares authorized; shares issued and outstanding 74,366,824 at December 31, 2017 and 66,205,153 at December 31, 2016 430,383 412,334
Accumulated deficit (309,287) (281,521)
Accumulated other comprehensive income 2,289 3,308
Total shareholders' equity 123,385 134,121
Non-controlling interests 3,883 3,742
Total equity 127,268 137,863
Total liabilities and equity 185,338 196,457
Commitments and contingencies (Note 18)