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SEGMENTED INFORMATION (Details) - Schedule of Segment Information for Operating Results - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
SEGMENTED INFORMATION (Details) - Schedule of Segment Information for Operating Results [Line Items]    
Revenue $ 217,923 $ 192,105
Costs of mine operations (133,622) (107,943)
Income from mine operations 84,301 84,162
Operating (21,736) (12,438)
Finance items, net (5,493) 1,779
Income tax expenses (13,788) (12,994)
Net income (loss) 43,284 60,509
Attributable to:    
Equity holders of the Company 30,634 46,376
Non-controlling interests 12,650 14,133
Net income (loss) 43,284 60,509
Mining Henan Luoning [Member]    
SEGMENTED INFORMATION (Details) - Schedule of Segment Information for Operating Results [Line Items]    
Revenue 176,751 157,297
Costs of mine operations (106,706) (83,090)
Income from mine operations 70,045 74,207
Operating (1,367) (1,848)
Finance items, net 2,862 1,788
Income tax expenses (12,612) (10,876)
Net income (loss) 58,928 63,271
Attributable to:    
Equity holders of the Company 46,099 49,422
Non-controlling interests 12,829 13,849
Net income (loss) 58,928 63,271
Mining Guangdong [Member]    
SEGMENTED INFORMATION (Details) - Schedule of Segment Information for Operating Results [Line Items]    
Revenue 41,172 33,255
Costs of mine operations (26,345) (23,497)
Income from mine operations 14,827 9,758
Operating 59 9
Finance items, net 374 145
Income tax expenses 364 (960)
Net income (loss) 15,624 8,952
Attributable to:    
Equity holders of the Company 15,470 8,864
Non-controlling interests 154 88
Net income (loss) 15,624 8,952
Mining Other [Member]    
SEGMENTED INFORMATION (Details) - Schedule of Segment Information for Operating Results [Line Items]    
Revenue
Costs of mine operations (41)
Income from mine operations (41)
Operating (143) (6)
Finance items, net 1
Income tax expenses
Net income (loss) (183) (6)
Attributable to:    
Equity holders of the Company (77) (3)
Non-controlling interests (106) (3)
Net income (loss) (183) (6)
Administrative Beijing [Member]    
SEGMENTED INFORMATION (Details) - Schedule of Segment Information for Operating Results [Line Items]    
Revenue
Costs of mine operations
Income from mine operations
Operating (2,109) (1,012)
Finance items, net 255 118
Income tax expenses (8)
Net income (loss) (1,854) (902)
Attributable to:    
Equity holders of the Company (1,854) (902)
Non-controlling interests
Net income (loss) (1,854) (902)
Administrative Vancouver [Member]    
SEGMENTED INFORMATION (Details) - Schedule of Segment Information for Operating Results [Line Items]    
Revenue
Costs of mine operations
Income from mine operations
Operating (18,322) (10,157)
Finance items, net (8,950) (243)
Income tax expenses (1,428) (1,191)
Net income (loss) (28,700) (11,591)
Attributable to:    
Equity holders of the Company (28,658) (11,571)
Non-controlling interests (42) (20)
Net income (loss) (28,700) (11,591)
Mining Hunan [Member]    
SEGMENTED INFORMATION (Details) - Schedule of Segment Information for Operating Results [Line Items]    
Revenue   1,553
Costs of mine operations (530) (1,356)
Income from mine operations (530) 197
Operating 146 576
Finance items, net (35) (29)
Income tax expenses (112) 41
Net income (loss) (531) 785
Attributable to:    
Equity holders of the Company (346) 566
Non-controlling interests (185) 219
Net income (loss) $ (531) $ 785