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AMAK End-of-Service Indemnities (Tables)
12 Months Ended
Dec. 31, 2020
AMAK  
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]  
Change in End-of-Service Indemnities Provision
The change in the end-of-service indemnities provision is as follows:
September 30,December 31,
20202019
Balance, beginning of period4,880,892 3,649,889 
Provision2,198,461 2,208,156 
Paid(1,049,432)(977,153)
Balance, end of period6,029,921 4,880,892