Annual report pursuant to Section 13 and 15(d)

Operating Costs (Details)

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Operating Costs (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Operating Costs      
Exploration and evaluation $ 2,037 $ 1,816 $ 2,476
Development 1,922 1,097 1,404
General and administration 5,328 5,200 5,801
Accretion 486 576 577
Operating Costs $ 9,773 $ 8,689 $ 10,258