XML 99 R29.htm IDEA: XBRL DOCUMENT v3.22.1
Operating Expenses
12 Months Ended
Dec. 31, 2021
Operating Expense [Abstract]  
Operating Expenses OPERATING EXPENSE
Operating expense during the years ended December 31, 2021 and 2020 were comprised of the following expenses by nature:
20212020
Raw materials and consumables$264,359 $153,173 
Salaries and employee benefits101,078 68,160 
Contractors130,865 79,355 
Repairs and maintenance60,457 37,908 
Site administration49,206 37,523 
Royalties28,618 23,312 
634,583 399,431 
Change in inventories20,221 23,860 
Total operating expense$654,804 $423,291