XML 64 R52.htm IDEA: XBRL DOCUMENT v3.22.1
Prepaids and Other, Net - Components of prepaids and other (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Prepaids    
Insurance $ 145 $ 1,014
Mining claims and permitting fees 378 891
Prepaid taxes 209 0
License fees 202 186
Other 29 56
Deposits 219 195
Total 1,182 2,342
Other assets, non-current    
Royalty - advance payment 600 600
Total $ 600 $ 600