Annual report pursuant to Section 13 and 15(d)

AMAK ADVANCES TO CONTRACTORS AND OTHER (Details)

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AMAK ADVANCES TO CONTRACTORS AND OTHER (Details) - AMAK - SAR (ر.س)
Dec. 31, 2018
Dec. 31, 2017
Schedule of Equity Method Investments [Line Items]    
Advances to contractors ر.س 15,127,502 ر.س 11,992,870
Prepaid expenses 1,196,218 4,385,449
Other miscellaneous advances and receivables 2,845,045 3,353,461
Advances to contractors and other ر.س 19,168,765 ر.س 19,731,780