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PLANT AND EQUIPMENT (Tables)

12 Months Ended

Mar. 31, 2022

Disclosure of detailed information about property, plant and equipment [abstract]

Schedule of Composition of Property and Equipment and Related Accumulated Depreciation

		Land use rights				Office								Motor				Construction
Cost		and building				equipment				Machinery				vehicles				in progress				Total
Balance as at April 1, 2020		$	96,454			$	8,010			$	25,800			$	6,416			$	2,136			$	138,816
Additions			182				864				1,117				1,059				7,189				10,411
Disposals			(205	)			(250	)			(291	)			(480	)			-				(1,226	)
Reclassification of asset groups			5,579				325				2,221				-				(8,125	)			-
Impact of foreign currency translation			8,141				711				2,227				542				142				11,763
Balance as at March 31, 2021		$	110,151			$	9,660			$	31,074			$	7,537			$	1,342			$	159,764
Additions			1,613				967				2,575				763				3,647				9,565
Disposals			(293	)			(68	)			(539	)			(245	)			-				(1,145	)
Reclassification of asset groups			2,100				154				191				-				(2,445	)			-
Impact of foreign currency translation			3,676				296				1,078				258				59				5,367
Ending balance as at March 31, 2022		$	117,247			$	11,009			$	34,379			$	8,313			$	2,603			$	173,551

Impairment, accumulated depreciation and amortization
Balance as at April 1, 2020		$	(43,987	)		$	(5,375	)		$	(18,168	)		$	(4,564	)		$	-			$	(72,094	)
Disposals			90				228				176				388				-				882
Depreciation and amortization			(3,921	)			(630	)			(1,629	)			(496	)			-				(6,676	)
Impact of foreign currency translation			(3,752	)			(469	)			(1,550	)			(376	)			-				(6,147	)
Balance as at March 31, 2021		$	(51,570	)		$	(6,246	)		$	(21,171	)		$	(5,048	)		$	-			$	(84,035	)
Disposals			158				64				419				220				-				861
Depreciation and amortization			(4,422	)			(867	)			(2,172	)			(649	)			-				(8,110	)
Impact of foreign currency translation			(1,750	)			(183	)			(741	)			(175	)			-				(2,849	)
Ending balance as at March 31, 2022		$	(57,584	)		$	(7,232	)		$	(23,665	)		$	(5,652	)		$	-			$	(94,133	)

Carrying amounts
Balance as at March 31, 2021		$	58,581			$	3,414			$	9,903			$	2,489			$	1,342			$	75,729
Ending balance as at March 31, 2022		$	59,663			$	3,777			$	10,714			$	2,661			$	2,603			$	79,418

Schedule of Composition of Carrying Amounts

Carrying amounts as at March 31, 2022		Ying Mining District				BYP				GC				Other				Total
Land use rights and building		$	42,953			$	2,965			$	12,027			$	1,718			$	59,663
Office equipment			2,979				16				516				266				3,777
Machinery			8,225				155				2,276				58				10,714
Motor vehicles			2,127				20				323				191				2,661
Construction in progress			1,911				552				140				-				2,603
Total		$	58,195			$	3,708			$	15,282			$	2,233			$	79,418

Carrying amounts as at March 31, 2021			Ying Mining District				BYP				GC				Other				Total
Land use rights and building		$	41,177			$	3,047			$	12,369			$	1,988			$	58,581
Office equipment			2,647				20				448				299				3,414
Machinery			7,114				213				2,576				-				9,903
Motor vehicles			1,917				20				359				193				2,489
Construction in progress			796				533				13				-				1,342
Total		$	53,651			$	3,833			$	15,765			$	2,480			$	75,729