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Consolidated Balance Sheets - USD ($)
$ in Thousands
Jun. 30, 2018
Dec. 31, 2017
Current assets    
Cash and cash equivalents $ 43,239 $ 18,574
Trade and other receivables 3,445 1,253
Inventories 10,272 16,550
Prepaid expenses and other assets 7,981 1,814
Mineral properties held for sale 0 5,000
Total current assets 64,937 43,191
Notes receivable and other 1,290 903
Plant and equipment, net 31,416 33,076
Mineral properties, net 83,539 83,539
Intangible assets, net 0 2,502
Restricted cash 21,594 22,127
Total assets 202,776 185,338
Current liabilities    
Accounts payable and accrued liabilities 6,144 6,449
Current portion of asset retirement obligation 32 32
Current portion of loans and borrowings 3,512 3,414
Total current liabilities 9,688 9,895
Warrant liabilities 4,265 3,376
Asset retirement obligation 19,014 18,248
Loans and borrowings 21,198 24,077
Total liabilities 54,165 55,596
Equity    
Share capital Common shares, without par value, unlimited shares authorized; shares issued and outstanding 71,962,817 at September 30, 2017 and 66,205,153 at December 31, 2016 453,555 430,383
Accumulated deficit (310,486) (306,813)
Accumulated other comprehensive income 1,671 2,289
Total shareholders' equity 144,740 125,859
Non-controlling interests 3,871 3,883
Total equity 148,611 129,742
Total liabilities and equity 202,776 185,338
Commitments and contingencies (Note 12)