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Consolidated Balance Sheets - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Current assets    
Cash and cash equivalents $ 16,581 $ 14,640
Marketable securities 11,434 27,061
Trade and other receivables 850 1,191
Inventories, net 18,574 16,550
Prepaid expenses and other assets 870 1,411
Total current assets 48,309 60,853
Inventories, net 1,772 1,772
Operating lease right of use asset 1,063 0
Notes receivable and other 721 1,107
Plant and equipment, net 28,193 29,843
Mineral properties, net 83,539 83,539
Restricted cash 19,995 19,652
Total assets 183,592 196,766
Current liabilities    
Accounts payable and accrued liabilities 5,369 7,921
Current portion of operating lease liability 308 0
Current portion of warrant liabilities 0 662
Current portion of asset retirement obligation 32 270
Deferred revenue 0 2,724
Total current liabilities 5,709 8,853
Warrant liabilities 5,412 5,621
Operating Lease, Liability, Noncurrent 904 0
Asset retirement obligation 20,217 18,834
Loans and borrowings 17,055 15,880
Total liabilities 49,297 51,912
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 481,053 469,303
Accumulated deficit (353,497) (332,058)
Accumulated other comprehensive income 2,936 3,843
Total shareholders' equity 130,492 141,088
Non-controlling interests 3,803 3,766
Total equity 134,295 144,854
Total liabilities and equity 183,592 196,766
Commitments and contingencies (Note 12)