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Condensed interim consolidated statements of financial position - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Current assets    
Cash and cash equivalents $ 3,111 $ 9,325
Trade and other receivables (Note 5) 5,646 6,631
Inventories (Note 6) 8,250 9,366
Prepaid expenses 1,774 869
Forward contracts (Note 16) 263
Current assets 19,044 26,191
Non-current assets    
Restricted cash 709 335
Property, plant and equipment (Note 7) 106,048 100,301
Total assets 125,801 126,827
Current liabilities    
Trade and other payables 10,410 10,393
Pre-payment facility (Note 9) 5,355 4,000
Current liabilities 15,765 14,393
Non-current liabilities    
Other long-term liabilities 735 564
Pre-payment facility (Note 9) 6,875 11,000
Post-employment benefit obligations 8,631 8,618
Decommissioning provision 3,850 3,948
Deferred tax liabilities (Note 15) 236 246
Total liabilities 36,092 38,769
Equity    
Share capital (Note 10) 212,498 207,012
Equity reserve 34,629 34,760
Foreign currency translation reserve 6,458 6,284
Deficit (163,876) (159,998)
Total equity 89,709 88,058
Total liabilities and equity $ 125,801 $ 126,827