XML 106 R42.htm IDEA: XBRL DOCUMENT v3.20.4
Inventories (Tables)
12 Months Ended
Dec. 31, 2020
Classes Of Inventories [Abstract]  
Schedule of Inventories
20202019
Uranium
Concentrate$579,653$204,123
Broken ore45,38751,094
625,040255,217
Fuel services52,27362,701
Other3,0562,852
Total$680,369$320,770