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Tax Note - Schedule of components of deferred tax assets and liabilities (Details) - USD ($) | Mar. 31, 2022 | Mar. 31, 2021
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Disclosure Of Components Of Deferred Tax Assets And Liabilities [Line Items] |  |
Deferred tax assets (liabilities) | $ (1,529,000) | $ 0
Plant and equipment [Member] |  |
Disclosure Of Components Of Deferred Tax Assets And Liabilities [Line Items] |  |
Deferred tax assets (liabilities) | (12,802,000) | 0
Energy tax receivable [Member] |  |
Disclosure Of Components Of Deferred Tax Assets And Liabilities [Line Items] |  |
Deferred tax assets (liabilities) | (490,000) | (490,000)
Digital currencies [Member] |  |
Disclosure Of Components Of Deferred Tax Assets And Liabilities [Line Items] |  |
Deferred tax assets (liabilities) | (186,000) | (266,000)
Right of use asset and lease liability [Member] |  |
Disclosure Of Components Of Deferred Tax Assets And Liabilities [Line Items] |  |
Deferred tax assets (liabilities) | 14,000 | 0
Investments [Member] |  |
Disclosure Of Components Of Deferred Tax Assets And Liabilities [Line Items] |  |
Deferred tax assets (liabilities) | 0 | (107,000)
Non-capital losses [Member] |  |
Disclosure Of Components Of Deferred Tax Assets And Liabilities [Line Items] |  |
Deferred tax assets (liabilities) | $ 11,935,000 | $ 863,000

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- Definition The amount of deferred tax liabilities net of deferred tax assets, when the absolute amount of deferred tax liabilities is greater than the absolute amount of deferred tax assets. [Refer: Deferred tax assets; Deferred tax liabilities] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 12 -IssueDate 2021-01-01 -Paragraph 81 -Subparagraph g -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_g_i&doctype=Standard -URIDate 2021-03-24 + Details
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