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PLANT AND EQUIPMENT (Details) - Schedule of Composition of Carrying Amounts - USD ($) $ in Thousands | Mar. 31, 2022 | Mar. 31, 2021
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PLANT AND EQUIPMENT (Details) - Schedule of Composition of Carrying Amounts [Line Items] |  |
Plant and equipment | $ 79,418 | $ 75,729
Ying Mining District [Member] |  |
PLANT AND EQUIPMENT (Details) - Schedule of Composition of Carrying Amounts [Line Items] |  |
Plant and equipment | 58,195 | 53,651
BYP [Member] |  |
PLANT AND EQUIPMENT (Details) - Schedule of Composition of Carrying Amounts [Line Items] |  |
Plant and equipment | 3,708 | 3,833
GC [Member] |  |
PLANT AND EQUIPMENT (Details) - Schedule of Composition of Carrying Amounts [Line Items] |  |
Plant and equipment | 15,282 | 15,765
Other [Member] |  |
PLANT AND EQUIPMENT (Details) - Schedule of Composition of Carrying Amounts [Line Items] |  |
Plant and equipment | 2,233 | 2,480
Land and buildings [Member] |  |
PLANT AND EQUIPMENT (Details) - Schedule of Composition of Carrying Amounts [Line Items] |  |
Plant and equipment | 59,663 | 58,581
Land and buildings [Member] | Ying Mining District [Member] |  |
PLANT AND EQUIPMENT (Details) - Schedule of Composition of Carrying Amounts [Line Items] |  |
Plant and equipment | 42,953 | 41,177
Land and buildings [Member] | BYP [Member] |  |
PLANT AND EQUIPMENT (Details) - Schedule of Composition of Carrying Amounts [Line Items] |  |
Plant and equipment | 2,965 | 3,047
Land and buildings [Member] | GC [Member] |  |
PLANT AND EQUIPMENT (Details) - Schedule of Composition of Carrying Amounts [Line Items] |  |
Plant and equipment | 12,027 | 12,369
Land and buildings [Member] | Other [Member] |  |
PLANT AND EQUIPMENT (Details) - Schedule of Composition of Carrying Amounts [Line Items] |  |
Plant and equipment | 1,718 | 1,988
Office equipment [Member] |  |
PLANT AND EQUIPMENT (Details) - Schedule of Composition of Carrying Amounts [Line Items] |  |
Plant and equipment | 3,777 | 3,414
Office equipment [Member] | Ying Mining District [Member] |  |
PLANT AND EQUIPMENT (Details) - Schedule of Composition of Carrying Amounts [Line Items] |  |
Plant and equipment | 2,979 | 2,647
Office equipment [Member] | BYP [Member] |  |
PLANT AND EQUIPMENT (Details) - Schedule of Composition of Carrying Amounts [Line Items] |  |
Plant and equipment | 16 | 20
Office equipment [Member] | GC [Member] |  |
PLANT AND EQUIPMENT (Details) - Schedule of Composition of Carrying Amounts [Line Items] |  |
Plant and equipment | 516 | 448
Office equipment [Member] | Other [Member] |  |
PLANT AND EQUIPMENT (Details) - Schedule of Composition of Carrying Amounts [Line Items] |  |
Plant and equipment | 266 | 299
Machinery [Member] |  |
PLANT AND EQUIPMENT (Details) - Schedule of Composition of Carrying Amounts [Line Items] |  |
Plant and equipment | 10,714 | 9,903
Machinery [Member] | Ying Mining District [Member] |  |
PLANT AND EQUIPMENT (Details) - Schedule of Composition of Carrying Amounts [Line Items] |  |
Plant and equipment | 8,225 | 7,114
Machinery [Member] | BYP [Member] |  |
PLANT AND EQUIPMENT (Details) - Schedule of Composition of Carrying Amounts [Line Items] |  |
Plant and equipment | 155 | 213
Machinery [Member] | GC [Member] |  |
PLANT AND EQUIPMENT (Details) - Schedule of Composition of Carrying Amounts [Line Items] |  |
Plant and equipment | 2,276 | 2,576
Machinery [Member] | Other [Member] |  |
PLANT AND EQUIPMENT (Details) - Schedule of Composition of Carrying Amounts [Line Items] |  |
Plant and equipment | 58 |
Motor vehicles [Member] |  |
PLANT AND EQUIPMENT (Details) - Schedule of Composition of Carrying Amounts [Line Items] |  |
Plant and equipment | 2,661 | 2,489
Motor vehicles [Member] | Ying Mining District [Member] |  |
PLANT AND EQUIPMENT (Details) - Schedule of Composition of Carrying Amounts [Line Items] |  |
Plant and equipment | 2,127 | 1,917
Motor vehicles [Member] | BYP [Member] |  |
PLANT AND EQUIPMENT (Details) - Schedule of Composition of Carrying Amounts [Line Items] |  |
Plant and equipment | 20 | 20
Motor vehicles [Member] | GC [Member] |  |
PLANT AND EQUIPMENT (Details) - Schedule of Composition of Carrying Amounts [Line Items] |  |
Plant and equipment | 323 | 359
Motor vehicles [Member] | Other [Member] |  |
PLANT AND EQUIPMENT (Details) - Schedule of Composition of Carrying Amounts [Line Items] |  |
Plant and equipment | 191 | 193
Construction in progress [Member] |  |
PLANT AND EQUIPMENT (Details) - Schedule of Composition of Carrying Amounts [Line Items] |  |
Plant and equipment | 2,603 | 1,342
Construction in progress [Member] | Ying Mining District [Member] |  |
PLANT AND EQUIPMENT (Details) - Schedule of Composition of Carrying Amounts [Line Items] |  |
Plant and equipment | 1,911 | 796
Construction in progress [Member] | BYP [Member] |  |
PLANT AND EQUIPMENT (Details) - Schedule of Composition of Carrying Amounts [Line Items] |  |
Plant and equipment | 552 | 533
Construction in progress [Member] | GC [Member] |  |
PLANT AND EQUIPMENT (Details) - Schedule of Composition of Carrying Amounts [Line Items] |  |
Plant and equipment | 140 | 13
Construction in progress [Member] | Other [Member] |  |
PLANT AND EQUIPMENT (Details) - Schedule of Composition of Carrying Amounts [Line Items] |  |
Plant and equipment |  |

X
- Definition The amount of tangible assets that: (a) are held for use in the production or supply of goods or services, for rental to others, or for administrative purposes; and (b) are expected to be used during more than one period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 73 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 54 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_a&doctype=Standard -URIDate 2021-03-24 + Details
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