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Prepaids and Other, Net (Tables)
 12 Months Ended
Dec. 31, 2021
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Components of prepaids and other The following table provides the components of Prepaids and other, net and Other assets (dollars in thousands):
December 31,
2021		December 31,
2020
Prepaids and other, net
Prepaids
Insurance$1,014 $1,847 
Mining claims and permitting fees891 417 
License fees186 259 
Equipment mobilization— 423 
Other56 252 
Deposits195 1,105 
Total$2,342 $4,303 
Other assets
Equipment not in use$— $12,238 
Royalty - advance payment600 360 
Prepaid supplies inventory— 885 
Total$600 $13,483