Annual report pursuant to Section 13 and 15(d)

BUSINESS AND OPERATIONS OF THE COMPANY (Details)

v3.20.1
BUSINESS AND OPERATIONS OF THE COMPANY (Details)
Dec. 31, 2019
Jun. 30, 2019
Jun. 29, 2019
Dec. 31, 2018
Mar. 31, 2018
Mar. 30, 2018
AMAK            
Noncontrolling Interest [Line Items]            
Ownership percentage 33.30% 33.30% 33.40% 33.40% 33.41% 33.44%
PEVM            
Noncontrolling Interest [Line Items]            
Ownership percentage 55.00%