Cover [Abstract] Entity Registrant Name Entity Central Index Key Document Type Amendment Flag Current Fiscal Year End Date Document Period End Date Document Fiscal Period Focus Document Fiscal Year Focus Entity File Number Entity Address Address Line 1 Entity Address City Or Town Entity Address State Or Province Entity Address Country Entity Address Postal Zip Code Condensed Interim Consolidated Statements of Financial Position Assets Current assets Cash and cash equivalents Restricted cash Trade and other receivables Inventories [Current inventories] Prepaid expenses [Current prepaid expenses] Total current assets [Current assets] Non-current assets Property, plant and equipment Long-term deposit Deposits for Jamestown equipment Deferred income tax asset Total non-current assets [Non-current assets] Total assets [Assets] Liabilities and Equity Current liabilities Trade and other payables Derivative liability Lease liability [Current lease liabilities] Total current liabilities [Current liabilities] Non-current liabilities Lease Liability Long term loan Government assistance payable Other payables [Other payables] Total non-current liabilities [Non-current liabilities] Equity Share capital [Issued capital] Contributed surplus Warrants [Warrant reserve] Accumulated other comprehensive income Deficit Total Equity [Equity] Total liabilities and equity [Equity and liabilities] Condensed Interim Consolidated Statements of Earnings (Unaudited) Revenue Direct manufacturing costs Gross margin [Gross profit] Expenses Research and development Government assistance [Income from government grants] Sales and marketing General and administrative Stock based compensation Depreciation and amortization Total operating expenses [Operating expense] Income from operations [Profit (loss) from continuing operations] Net finance charges Foreign exchange loss (gain) and interest income [Foreign exchange gain] Income tax recovery [Current tax expense (income)] Net income for the period [Profit (loss)] Basic income per share Diluted income per share Weighted average number of shares - basic Weighted average number of shares - diluted Net income for the period Items that may be reclassified to Profit and Loss Cumulative translation adjustment Other comprehensive income (loss) for the period [Other comprehensive income] Condensed Interim Consolidated Statements of Changes in Equity (Unaudited) Statement [Table] Statement [Line Items] Components of equity [axis] Share Capital [Member] Contributed Surplus [Member] Warrants [Member] Accumulated other Comprehensive Income [Member] Deficit [Member] Balance, amount Stock-based compensation Issue of shares Exercise of options Cumulative translation adjustment Net income for the period Exercise of warrants Balance, amount Condensed Interim Consolidated Statement of Cash Flows (Unaudited) Operating activities Add : Depreciation and amortization [Adjustments for depreciation and amortisation expense] Stock based compensation expense Interest expense and other financing charges Unrealized foreign exchange Income tax recovery [Adjustments for income tax expense] Cash provided by operating activities [Cash provided by operating activities] Net changes in the working capital [Increase (decrease) in working capital] Cash (used in) operating activities [Cash flows from (used in) operating activities] Investing activities: Purchase of property, plant and equipment [Purchase of property, plant and equipment, classified as investing activities] Deposits for Jamestown equipment [Deposits for Jamestown equipment] Change in restricted cash [Change in restricted cash] Cash (used in) investing activities [Cash flows from (used in) investing activities] Financing activities Proceeds from issuance of shares, net of issuance cost Proceeds from exercise of warrants Proceeds from exercise of options Proceeds from working capital facilities Repayment of working capital facilities [Repayment of working capital facilities] Proceeds from EXIM loan, net of debt issuance cost Repayment of vendor take back loan [Repayment of vendor take back loan] Repayment of promissory note [Repayments of bonds, notes and debentures] Interest and other finance cost [Interest and other finance cost] Government assistance [Proceeds from government grants, classified as financing activities] Lease payments [Lease payments] Cash from financing activities [Cash flows from (used in) financing activities] Increase in cash and cash equivalents [Increase (decrease) in cash and cash equivalents after effect of exchange rate changes] Cash and cash equivalents, beginning of period Effect of movements in exchange rates on cash held Cash and cash equivalents at end of period Supplemental cash flow disclosures: Interest paid Income tax paid Reporting Entity Reporting Entity [Reporting Entity] Basis of Presentation Basis of Presentation Disclosure of basis of preparation of financial statements [text block] Material Accounting Policies Material Accounting Policies Disclosure of material accounting policy information [text block] Trade and Other Receivables Trade and Other Receivables Disclosure of trade and other receivables [text block] Inventories Inventories Disclosure of inventories [text block] Prepaid expenses Prepaid expenses [Prepaid expenses] Property plant and equipment Property, plant and equipment Disclosure of property, plant and equipment [text block] Trade and Other payables Trade and Other payables Disclosure of trade and other payables [text block] Working Capital Facilities Working Capital Facilities [Working Capital Facilities] Finance costs Finance costs Disclosure of finance cost [text block] Lease liability Lease liability Disclosure of leases [text block] Share capital Share capital Disclosure of classes of share capital [text block] Related Party Transactions Related Party Transactions Disclosure of related party [text block] Change in NonCash Operating Working Capital Change in Non-Cash Operating Working Capital Financial Instruments Financial Instruments Disclosure of financial instruments [text block] Contingencies Contingencies Disclosure of contingent liabilities [text block] Segment and Customer Reporting Segment and Customer Reporting Disclosure of major customers [text block] Other payables Other payables Disclosure of other liabilities [text block] Income tax Subsequent event Subsequent events Schedule of Trade and Other Receivables Schedule of Expected Loss Provision on Trade Receivable Schedule of Allowance for Credit Losses Schedule of Inventories Schedule of Prepaid Expenses Schedule Of Property, Plant and Equipment Schedule of Trade and Other Payables Schedule of Warranty Provisions Schedule of Revolving Credit Facility Schedule of Debt from EXIM Bank Schedule of Cash and Non-Cash Finance Costs Schedule of Lease Liability Schedule of Lease Schedule of Future Lease Payments Schedule of Authorized and Issued Capital Stock Schedule of Stock Options Schedule of Stock-Based Compensation Costs Schedule of Warrants Schedule of Warrant Continuity Schedule of Related Party Transactions Management Compensation Schedule of Change in Non-Cash Operating Working Capital Schedule of Conractual Maturities and Obligations of Financial Liabilities Schedule of Segment Performance Schedule of Revenues Schedule of Revenues Based on Geographical Region Schedule of Changes in Debt for Repayment Schedule of Future Payments of Debt Schedule of Income Tax Expense Recovery Trade receivables, gross Expected credit losses Net trade receivables Other receivables Trade and other receivables Maturity [axis] Currents [Member] Thirtyone To Sixty [Member] Sixtyone To Ninety [Member] Ninety one To One twenty [Member] More Than One Twenty [Member] Accounts receivable in percentage Trade receivable (net of specific provision) Expected loss rate Expected loss provision Beginning balance [Allowance account for credit losses of financial assets] Write Off Allowance provided/(recovery) Ending balance Raw materials Semi-finished Finished goods Inventories Write-downs (reversals of write-downs) of inventories Direct manufacturing costs materials expensed amount Prepaid expenses [Current advances to suppliers] Prepaid insurance Prepaid purchases Deposits for Jamestown equipment [Deposits for Jamestown equipment 1] Total [Current prepayments] Capital Purchase Commitments Classes of property, plant and equipment [axis] Right of use Asset [Member] Leasehold Improvements [Member] Production Equipment [Member] Office Furniture And Equipment [Member] Capital Work In Progress [Member] Battery Technology [Member] Land [Member] Building [Member] Property, plant and equipment, Balance beginning [Property, plant and equipment, gross carrying amount of fully depreciated assets still in use] Additions Disposals Exchange differences Property, plant and equipment, Balance ending Depreciation and impairment, Balance at beginning [Depreciation and impairment, Balance at beginning] Depreciation Depreciation and impairment, Disposals Depreciation and impairment, Exchange differences Depreciation and impairment, Balance at ending [Depreciation and impairment, Balance at ending] Net Book Value ending Exim Financing Facility [Member] Finance costs Trade payables Accruals Employee payables Total [Trade and other payables] Opening provision [Warranty provision] Utilised during the period Additional provision during the year Closing balance Opening balance Exchange difference Payments made during the period Loan fees amortization Loan fees Cash drawn during the period Closing balance [Closing balance] Opening balance of export-import Loan amount withdrawn during the year Debt issuance cost (net of amortization) (June 30, 2026: $215; September 30, 2025: $9) Interest and accretion Closing balance of export-import Maximum funds available Balance under the facility Maximum Principal Amount Amount of potential increase in borrowing capacity (accordion) Interest rate Payment to related party Loan Amount Approved Debt Instrument, Maturity Term Accrued interest Loan Fees Capitalized Classes of financial instruments [axis] Cash [Member] Non Cash [Member] Working capital facility Promissory notes Interest on VTB loan Lease interest (note 11) Equity issuance costs Changes in fair value of derivative warrants Accretion on government payable Finance costs [Finance costs] Finance costs [Finance costs 1] Finance costs [Finance costs 2] Current Non-current Carrying amount - lease liability Interest on lease liabilities Incremental borrowing rate at time of transition Cash outflow for the lease 2026 2027 2028 2029 Classes of liabilities [axis] Lease Monthly Rent First Year [Member] Lease Monthly Rent Second Year [Member] Lease Monthly Rent Third Year [Member] lease liability Classes of share capital [axis] Common Shares [Member] Balance, beginning [Balance, beginning] Balance at beginning (in shares) [Number of shares authorised] Issuance of shares Issuance of shares (in shares) Exercise of warrants [Exercise of warrants] Exercise of warrants (in shares) Exercise of options [Exercise of options] Excercise of options (in shares) Transfer from contributed surplus Balance, ending [Balance, ending] Balance at ending (in shares) Stock Options [Member] Stock Options 13 [Member] Stock Options1 [Member] Stock Options 2 [Member] Stock Options 3 [Member] Stock Options 4 [Member] Stock Options 5 [Member] Stock Options 6 [Member] Stock Options 7 [Member] Stock Options 8 [Member] Stock Options 9 [Member] Stock Options 10 [Member] Stock Options 11 [Member] Stock Options 12 [Member] Balance at beginning (in shares) [Number of shares outstanding] Balance at beginning [Balance at beginning] Excercised (in shares) Exercised during the year Expired during the year (in shares) Expired during the year Granted (in shares) Granted Balance at ending (in shares) Number of shares outstanding Balance at ending Number Of Exercisable Weighted average exercise price Weighted Average Remaining Contractual Life Of Outstanding Share Options Details Of Share Warrants [Member] Number of shares, outstanding Exercise Price, Outstanding Warrant continuity schedule [Member] Beginning balance, amount [Beginning balance, amount] Warrant exercised Fair value warrant exercised Fair value adjustment Ending balance, amount [Ending balance, amount] Description of share capital plan Common share issued Change in derivative warrant liability Share issued price Equity raise amount Share issuance cost Stock Option increased share [Stock Option increased share] Outstanding options [Outstanding options] Derivative warrants shares Risk-free interest rate Expected volatility Expected warrant life Stock-based compensation expense Stock Option increased share Outstanding options Salaries, bonus and other benefits Share based compensation Key Management Personnel Compensation Categories of related parties [axis] Dr. Sankar Das Gupta [Member] Dr. Rajshekar Das Gupta [Member] Dr. Sankar Das Gupta, Tranche Two [Member] Option granted Vested option Stock based compensation expense [Key management personnel compensation] Vested option one Trade and other receivables [Adjustments for decrease (increase) in trade and other receivables] Inventories [Adjustments for decrease (increase) in inventories] Prepaid expenses and other Trade and other payables [Adjustments for increase (decrease) in trade accounts payable] Net changes in the working capital [Net changes in the working capital] Classes of financial liabilities [axis] Financial Liabilities Twenty Twenty Six [Member] Financial Liabilities Twenty Twenty Seven [Member] Financial Liabilities Twenty Twenty Eight [Member] Financial Liabilities Twenty Twenty Nine [Member] Financial Liabilities Twenty Thirty [Member] Trade and other payables [Trade and other current payables] Lease liability [Gross lease liabilities] Lease liability Long term loan [Borrowings] Other payable Total financial liabilities Derivatives Liabilities [Member] Expected life of warrants Volatility Annual Dividend Yield Percentage Risk-free weighted interest rate Concentration risk percentage, Revenue Foreign exchange gain (loss), net Revenue [Revenue from contracts with customers] Concentration risk percentage, Accounts receivable Fair Value Of Warrants Stock price Cash Types of customers [axis] 2014 [Member] Estimated financial effect of contingent liabilities Dispute regarding funding and fulfilment Large format batteries Other Total of Large format batteries Sale of batteries and battery systems Sale of services Others [Others] Total of Revenue with customers Segments [axis] Canada [Member] United States [Member] Others [Others 1] Revenues attributed Others [Others 2] Total Of Revenues Attributed Opening balance [Opening balance] Interest accretion Foreign exchange gain / loss Debt extinguishment Ending balance [Ending balance] Less: current portion of the provision (included in Trade and other payables) [Current portion of non-current borrowings] Ending balance of long-term portion 2026 [2026] 2027 [2027] 2028 [2028] 2029 [2029] 2030 2031 Income tax (Details) Income (Loss) before income taxes Expected recovery of income taxes based on statutory rate Reduction in income tax recovery resulting from: Foreign tax rate differential Other permanent differences Share issue costs allocated to equity Expiry of losses Benefit from deferred tax asset not previously recognized Temporary difference, unused tax losses and unused tax credits [axis] Canadian [Member] Effective income tax rate Effective income tax rate reconciliation at federal statutory income tax rate Types of antidilutive instruments [axis] Warrants Warrants [member] Warrants vested Cumulative purchases Exercise price Warrants expire date The element represents prepaid insurance net. The element represents additions during the year. The element represents maximum funds available. The element represents direct manufacturing costs. The element represents stock based compensation. The element represents supplemental cash flow information disclosures abstract. The element represents disclosure of working capital facilities explanatory. The element represents disclosure of change in non cash operating working capitals explanatory. The element represents disclosureofdetailedinformationaboutallowance for credit losses explanatory. The element represents disclosure of detailed information about cash and non cash finance costs explanatory. The element represents disclosure of detailed information about income tax explanatory. The element represents issuance of shares one amount. The element represents issuance of shares one share. The element represents exercise of options one amount. The element represents exercise of options one share. The element represents transfer from contributed surplus one. The element represents weighted average exercise price. The element represents number of outstanding exercised three. The element represents weighted average exercise price exercised. The element represents number of outstanding granted. The element represents weighted average exercise price granted. The element represents weighted average remaining contractual life of outstanding share options. The element represents number of exercisable. The element represents warrant exercised. The element represents fair value warrant exercised. The element represents fair value adjustment.