Annual report pursuant to Section 13 and 15(d)

Operating Costs (Details)

v3.20.4
Operating Costs (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Operating Costs      
General and administration $ 5,200 $ 5,801 $ 5,393
Development 1,097 1,404 1,654
Exploration and evaluation 1,816 2,476 2,431
Accretion 576 577 508
Operating Costs $ 8,689 $ 10,258 $ 9,986