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Consolidated Balance Sheets - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Current assets    
Cash and cash equivalents $ 42,703 $ 20,168
Marketable securities 1,407 2,247
Trade and other receivables, net 1,177 1,169
Inventories, net 27,976 27,575
Prepaid expenses and other assets 1,933 1,313
Total current assets 75,196 52,472
Inventories, net 1,346 1,346
Operating lease right of use asset 601 662
Investments accounted for at fair value 2,254 779
Property, plant and equipment, net 23,457 23,621
Mineral properties, net 83,539 83,539
Restricted cash 20,826 20,817
Total assets 207,219 183,236
Current liabilities    
Accounts payable and accrued liabilities 2,831 3,321
Current portion of operating lease liability 298 289
Current portion of warrant liabilities 11,571 8,573
Current portion of asset retirement obligation 131 131
Total current liabilities 14,831 12,314
Operating lease liability 392 469
Asset retirement obligation 13,189 12,907
Total liabilities 28,412 25,690
Equity    
Share capital Common shares, without par value, unlimited shares authorized; shares issued and outstanding 140,816,496 at March 31, 2021 and 134,311,033 at December 31, 2020 581,135 549,317
Accumulated deficit (408,720) (397,812)
Accumulated other comprehensive income 2,661 2,308
Total shareholders' equity 175,076 153,813
Non-controlling interests 3,731 3,733
Total equity 178,807 157,546
Total liabilities and equity 207,219 183,236
Commitments and contingencies (Note 14)