Equity Components [Axis] Common Stock [Member] Convertible Securities [Member] Additional Paid-in Capital [Member] Retained Earnings [Member] AOCI Attributable to Parent [Member] Long-Lived Asset, Class [Axis] Machinery and Equipment [Member] Computer Equipment [Member] Office Equipment [Member] Furniture and Fixtures [Member] Vehicles [Member] Construction in Progress [Member] Product and Service [Axis] Product [Member] Service [Member] Geographical [Axis] SINGAPORE INDIA UNITED STATES Lead Ingots [Member] Black Mass [Member] Lithium Batteries [Member] Lithium Carbonate [Member] Copper Scrap [Member] Licensing Services [Member] Engineering Service [Member] Measurement Input Type [Axis] Measurement Input Probability Of Occurrence [Member] Cash and Cash Equivalents [Axis] Cash [Member] Stock Issued In Exchange For Engineering Services [Member] Statistical Measurement [Axis] Minimum [Member] Maximum [Member] Liability Class [Axis] Common Stocks [Member] Promissory Note [Member] Related Party Transaction [Axis] Ocean Fund Holdings Pte Ltd [Member] AC Fund I, a series of Climate Angels, LP [Member] Fair Value Hierarchy and NAV [Axis] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 3 [Member] Simple Agreements For Future Equity [Member] Conversion Feature [Member] Derivative Instrument [Axis] Commodity Contract [Member] Embedded Derivative Financial Instruments [Member] Commodity (fair value changes) [Member] Commodity (transaction cost) [Member] Subsequent Event Type [Axis] Subsequent Event [Member] Cover [Abstract] Document Type Amendment Flag Amendment Description Document Registration Statement Document Annual Report Document Quarterly Report Document Transition Report Document Shell Company Report Document Shell Company Event Date Document Period Start Date Document Period End Date Document Fiscal Period Focus Document Fiscal Year Focus Current Fiscal Year End Date Entity File Number Entity Registrant Name Entity Central Index Key Entity Primary SIC Number Entity Tax Identification Number Entity Incorporation, State or Country Code Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Three Entity Address, City or Town Entity Address, State or Province Entity Address, Country Entity Address, Postal Zip Code Country Region City Area Code Local Phone Number Extension Written Communications Soliciting Material Pre-commencement Tender Offer Pre-commencement Issuer Tender Offer Title of 12(b) Security No Trading Symbol Flag Trading Symbol Security Exchange Name Title of 12(g) Security Security Reporting Obligation Annual Information Form Audited Annual Financial Statements Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Small Business Entity Emerging Growth Company Elected Not To Use the Extended Transition Period Document Accounting Standard Other Reporting Standard Item Number Entity Shell Company Entity Public Float Entity Bankruptcy Proceedings, Reporting Current Entity Common Stock, Shares Outstanding Documents Incorporated by Reference [Text Block] Statement of Financial Position [Abstract] ASSETS Current assets Cash and cash equivalents Accounts receivable, net of allowance for expected credit losses of $7 and $6 Inventories Deferred offering costs Prepayments Other current assets Total current assets Non-current assets Property, plant, and equipment, net of accumulated depreciation of $553 and $542 Intangible assets, net of accumulated amortization of $11 and $11 Operating lease right-of-use asset Total non-current assets Total assets LIABILITIES AND STOCKHOLDERS’ EQUITY (DEFICIT) Current liabilities Accounts payable Short-term debt Current portion of long-term debt Current portion of operating lease liability Simple Agreements for Future Equity (“SAFEs”) Convertible notes Deferred revenue Employee benefits payable Federal and other taxes on income Other current liabilities Total current liabilities Non-current Liabilities Long-term debt Non-current portion of operating lease liability Total non-current liabilities Total liabilities Commitments and contingencies (see Note 16) Stockholders’ equity (deficit) Common stock ($0.0001 par value, 2,000,000 authorized shares; issued and outstanding 1,243,795 and 912,584 shares as of June 30, 2026 and March 31, 2026, respectively) Convertible securities Additional paid-in capital Accumulated deficit Accumulated other comprehensive loss Total stockholders’ equity (deficit) Total liabilities and stockholders’ equity Net of allowance for expected credit losses Net of accumulated depreciation Net of accumulated depreciation Common Stock, Par or Stated Value Per Share Common Stock, Shares Authorized Common Stock, Shares, Issued Common Stock, Shares, Outstanding Income Statement [Abstract] Net sales Cost of sales (exclusive of depreciation and amortization expense shown separately below) Research and development expense Selling, general, & administrative expenses Depreciation and amortization expense Loss from operations Other income (expense) Change in fair value of SAFEs Gain on extinguishment of convertible notes and SAFEs Loss on extinguishment of debt Interest income Interest expense Other income Fair value gain (loss) on derivatives Income (loss) before income taxes Income tax expense (benefit) Net income (loss) Net income (loss) per common share Basic Diluted Net income (loss) Other comprehensive loss, net of tax: Foreign currency translation adjustments Other comprehensive loss Comprehensive income (loss) Statement [Table] Statement [Line Items] Beginning balance, value Beginning balance (in shares) Reclassification of paid-in capital* Common stock issued Common stock issued (in shares) Net loss Other comprehensive loss, net Interest on convertible securities Issuance of common stock upon exercise of stock options Issuance of common stock upon exercise of stock options (in shares) Issuance of common stock upon conversion of long-term debt Issuance of common stock upon conversion of long-term debt (in shares) Issuance of common stock upon conversion of convertible notes Issuance of common stock upon conversion of convertible notes (in shares) Issuance of common stock upon conversion of SAFEs Issuance of common stock upon conversion of SAFEs (in shares) Issuance of common stock upon conversion of convertible securities Issuance of common stock upon conversion of convertible securities (in shares) Stock-based compensation Ending balance, value Ending balance (in shares) Statement of Cash Flows [Abstract] Cash flows from operating activities: Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: Depreciation and amortization Non-cash lease expense Stock-based compensation expense Interest and accretion on convertible debt Change in fair value of SAFEs Provision / (reversal) for doubtful accounts receivable Fair value gain on embedded derivatives Gain on extinguishment of convertible notes and SAFEs Loss on extinguishment of debt Changes in operating assets and liabilities: Accounts receivable Inventories Deferred offering costs Prepayments and other current assets Accounts payable Deferred revenue Accrued expenses and other liabilities Federal & other income taxes payable Operating lease liabilities Net cash provided by (used in) operating activities Cash flows from investing activities Purchase of property and equipment, including capital work-in-progress Issuance of loan Net cash used in investing activities Cash flows from financing activities: Proceeds from common stock Proceeds from SAFE notes (1) Proceeds from (repayment of) short-term debt Proceeds from long-term debt Net cash provided by financing activities Net change in cash and cash equivalents during the period Effect of exchange rates on cash and cash equivalents Cash and cash equivalents at the beginning of the period Cash and cash equivalents at the end of the period Supplemental schedule of non-cash investing and financing activities: Conversion of SAFEs into common stock Conversion of convertible notes into common stock Conversion of convertible securities into common stock Conversion of long- term debt into common stock Conversion of SAFEs into debt Supplemental cash flow information: Cash paid for interest Cash paid for income taxes Pay vs Performance Disclosure [Table] Executive Category [Axis] Individual [Axis] Adjustment to Compensation [Axis] Measure [Axis] Pay vs Performance Disclosure, Table Company Selected Measure Name Named Executive Officers, Footnote Peer Group Issuers, Footnote Changed Peer Group, Footnote PEO Total Compensation Amount PEO Actually Paid Compensation Amount Adjustment To PEO Compensation, Footnote Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Compensation Actually Paid Amount Adjustment to Non-PEO NEO Compensation Footnote Equity Valuation Assumption Difference, Footnote Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Company Selected Measure Total Shareholder Return Vs Peer Group Compensation Actually Paid vs. Other Measure Tabular List, Table Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Net Income (Loss) Company Selected Measure Amount Other Performance Measure, Amount Adjustment to Compensation, Amount PEO Name Name Non-GAAP Measure Description Additional 402(v) Disclosure Pension Benefits Adjustments, Footnote Equity Awards Adjustments, Footnote Erroneously Awarded Compensation Recovery [Table] Restatement Determination Date [Axis] Restatement Determination Date Aggregate Erroneous Compensation Amount Erroneous Compensation Analysis Stock Price or TSR Estimation Method Outstanding Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Not Yet Determined Name Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery, Explanation of Impracticability Name Compensation Amount Restatement does not require Recovery Awards Close in Time to MNPI Disclosures [Table] Award Type [Axis] Award Timing MNPI Disclosure Award Timing Method Award Timing Predetermined Award Timing MNPI Considered Award Timing, How MNPI Considered MNPI Disclosure Timed for Compensation Value Awards Close in Time to MNPI Disclosures, Table Name Underlying Securities Exercise Price Fair Value as of Grant Date Underlying Security Market Price Change Insider Trading Arrangements [Line Items] Material Terms of Trading Arrangement Name Title Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted Adoption Date Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated Termination Date Expiration Date Arrangement Duration Aggregate Available Insider Trading Policies and Procedures [Line Items] Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Not Adopted Organization, Consolidation and Presentation of Financial Statements [Abstract] Overview Accounting Policies [Abstract] Summary of Significant Accounting Policies Inventory Disclosure [Abstract] Inventories Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] Other current assets Property, Plant, and Equipment [Abstract] Property, plant and equipment, net Other Liabilities Disclosure [Abstract] Other current liabilities Revenue from Contract with Customer [Abstract] Net sales Other Income and Expenses [Abstract] Other income Earnings Per Share [Abstract] Income (loss) per share Debt Disclosure [Abstract] Debt Simple Agreements For Future Equity Simple Agreements For Future Equity Convertible Notes Convertible notes Segment Reporting [Abstract] Segment and geographical information Fair Value Disclosures [Abstract] Fair value measurements Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments Commitments and Contingencies Disclosure [Abstract] Commitments and contingencies Subsequent Events [Abstract] Subsequent events Basis of presentation Principles of consolidation Use of estimates Segment information Recently adopted accounting pronouncements Recently issued accounting pronouncements not yet adopted Schedule of Inventory Schedule of Other Current Assets Schedule of Property, Plant and Equipment Schedule of Other current liabilities Schedule of Disaggregation of Revenue Schedule of Revenue from Customers by Geographic Areas Schedule of Revenue disaggregated by type of product and service Schedule of Other Income Schedule of Income (loss) per share Schedule of antidilutive Schedule of Aggregate Amount of Maturities on the Term Loans Schedule of Significant Unobservable Inputs Used to Determine Fair Value of SAFEs Schedule of changes in fair value of SAFEs Related Party Transaction [Table] Related Party Transaction [Line Items] Schedule of Convertible notes Schedule of convertible debt Schedule of fair value of the embedded derivatives Schedule of fair value of financial assets (liabilities) measured on recurring basis The following table provides a summary of the changes in the fair value of the Company’s Level 3 financial instruments that are measured at fair value on a recurring basis as of June 30, 2026, and 2025: Consolidated Balance Sheets: Fair value of derivatives Consolidated Statements of Operations: The effect of derivatives [Gain (Loss)] Accumulated Deficit Work in progress Finished goods Inventory in third-party warehouse Raw materials Stores and spares Inventory, Net Security deposit Receivables from government authorities Derivative asset Other receivables Total Property, Plant, and Equipment [Table] Property, Plant, and Equipment [Line Items] Property, plant and equipment, gross Less: Accumulated depreciation Property, plant and equipment, net Accrued expenses Payables to government authorities Other liabilities Other Liabilities, Current Disaggregation of Revenue [Table] Disaggregation of Revenue [Line Items] Net Sales Net Revenue (Geographic Disaggregation) Net Sales (Product and Service Disaggregation) Revenue Recognized from Deferred Revenue Rental income from sublease Export incentive Liabilities written off Miscellaneous sale Other income Total Other Income    Interest expense related to convertible notes, net of tax    Loss on change in fair value of SAFEs    Gain on extinguishment of convertible notes and SAFEs, net of tax    Fair value (gain) or loss on embedded derivatives Diluted net loss Weighted average number of common shares, basic SAFEs notes Convertible notes Dilutive number of shares Basic income (loss) per share Diluted loss per share (see note below) Stock options and restricted stock awards Convertible securities Total Remaining maturities through year ended March 31, 2027 Year ended March 31, 2028  Total Continuous risk-free rate Calibration discount rate Life to expiration Volatility Underlying stock/asset price Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Balance at beginning of the period Issuance of SAFEs* Change in fair value of SAFEs loss Settlement of SAFEs through issuance of promissory note Balance at end of the period Business Combination [Table] Business Combination [Line Items] Proceeds from Issuance of Simple Agreements for Future Equity ("SAFEs") Corporate Transaction scenario probability Principal balance of promissory note Promissory note internal rate of return Repayment terms of promissory note issued upon SAFE settlement, description Total convertible notes Principal of convertible note at beginning of the period Issuance of convertible notes Conversion into equity shares Principal of convertible notes at end of the period Conversion feature at beginning of the period Fair value gain on embedded derivative Conversion into common stock Conversion feature at end of the period Debt component at beginning of the period Conversion into common stock Accrued interest expense Debt component at end of the period Total convertible debt at end of the period Continuous risk-free rate Life of derivative Volatility Share price Fair Value, off-Balance-Sheet Risk [Table] Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] Fair Value of Derivative asset (Commodity) Fair value of Accounts receivable (subject to provisional pricing) Fair value of SAFEs Fair value of Derivative liability (Conversion feature of convertible notes) Beginning Balance Proceeds from issuances of SAFEs Change in fair value (gain) loss Conversion of SAFEs into common stock Settlement of SAFEs through issuance of promissory note Conversion of convertible debt into common stock Conversion of convertible debt into common stock Ending Balance Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Line Items] Effect of derivatives in Consolidated Statement of Operations Subsequent Event [Table] Subsequent Event [Line Items] Gross proceeds from issuance of SAFE notes to two investors The element represents convertible securities. The element represents organization consolidation and presentation of financial statements text block. The element represents schedule of property plant and equipment table text block. The element represents property plant and equipment table text block. The element represents lead ingots member. The element represents black mass member. The element represents lithium batteries member. The element represents lithium carbonate member. The element represents copper scrap member. The element represents licensing services member. The element represents engineering service member. The element represents written off liabilities. The element represents export incentive. The element represents stores and spares. The element represents new accounting pronouncements or change in accounting principle text block. The element represents recently issued accounting pronouncements not yet adopted policy text block. The element represents simple agreements for future equity disclosure text block. The element represents measurement input probability of occurrence member. The element represents corporate transaction scenario probability rate. The element represents change in fair value of SAFEs. The element represents gain on extinguishment of convertible notes. The element represents convertible securities member. The element represents interest on convertible securities. The element represents stock issued during period value conversion of convertible long term debt. The element represents stock issued during period value conversion of convertible notes. The element represents stock issued during period value conversion of SAFEs. The element represents stock issued during period shares conversion of convertible long term debt. The element represents stock issued during period shares conversion of convertible notes. The element represents stock issued during period shares conversion of SAFEs. The element represents interest and accretion on convertible debt. The element represents fair value gain on embedded derivatives. The element represents gain on extinguishment of convertible notes and SAFEs. The element represents changes in operating assets and liabilities abstract. The element represents conversion of safes into common stock. The element represents conversion of convertible notes into common stock. The element represents conversion of convertible securities into common stock. The element represents conversion of long term debt into common stock. The element represents conversion of safes into debt. The element represents cash paid for interest. The element represents cash paid for income taxes. The element represents ocean fund holdings pte ltd member. The element represents AC fund I a series of climate angels LP member. The element represents principal of convertible note at beginning of period. The element represents conversion into equity shares. The element represents conversion feature at beginning of period. The element represents principal of convertible notes at end of period. The element represents conversion feature at end of period. The element represents conversion into common stock. The element represents accrued interest expense. The element represents debt component at end of period. The element represents debt component at beginning of period. The element represents conversion into common stock value. The element represents loss on change in fair value of safes. The element represents proceeds from issuance of simple agreements for future equity. The element represents simple agreements for future equity. The element represents simple agreements for future equity member. The element represents proceeds from issuances of safes. The element represents settlement of safes through issuance of promissory note. The element represents stock issued in exchange for engineering services member. The element represents continuous riskfree rate. The element represents calibration discount rate. The element represents life to expiration date. The element represents underlying stock or asset price. The element represents convertible notes disclosure text block. The element represents proceeds from issuance of SAFE notes. The element represents commodity (fair value changes) member. The element represents commodity (transaction cost) member. The element represents fair value gain loss on derivatives. The element represents conversion feature member. The element represents Other Income. The element represents Convertible securities. The element represents Volatility. The element represents Continuous risk-free rate. The element represents Life of derivative. The element represents Volatility. Assets, Current Assets, Noncurrent Assets Liabilities, Current Liabilities, Noncurrent Liabilities Equity, Attributable to Parent Liabilities and Equity Intangible Asset, Finite-Lived, Accumulated Amortization Operating Income (Loss) Income (Loss) Attributable to Parent, before Tax Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Shares, Outstanding Interest And Accretion On Convertible Debt Gain On Extinguishment Of Convertible Notes And SAFEs Increase (Decrease) in Accounts Receivable Increase (Decrease) in Inventories Increase (Decrease) in Deferred Charges Increase (Decrease) in Prepaid Expense and Other Assets Increase (Decrease) in Accounts Payable Increase (Decrease) in Deferred Revenue Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Payments to Acquire Productive Assets Payments to Acquire Loans Receivable Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Excluding Exchange Rate Effect, Including Discontinued Operation Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Conversion Of Convertible Notes Into Common Stock Conversion Of Convertible Securities Into Common Stock Conversion Of Long Term Debt Into Common Stock Conversion Of Safes Into Debt Forgone Recovery, Individual Name Outstanding Recovery, Individual Name Awards Close in Time to MNPI Disclosures, Individual Name Trading Arrangement, Individual Name Inventory Disclosure [Text Block] Other Current Assets [Text Block] Other Liabilities Disclosure [Text Block] Revenue from Contract with Customer [Text Block] Other Income and Other Expense Disclosure [Text Block] Simple Agreements For Future Equity Disclosure [Text Block] Convertible Notes Disclosure [Text Block] Other Income Proceeds from Notes Payable Convertible securities [Default Label] Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Principal Of Convertible Note At Beginning Of Period Principal Of Convertible Notes At End Of Period Conversion Feature At Beginning Of Period Embedded Derivative, Gain on Embedded Derivative Conversion Feature At End Of Period Debt Component At Beginning Of Period Conversion Into Common Stock Debt Component At End Of Period Convertible Debt Continuous risk-free rate [Default Label] Volatility [Default Label] Liabilities, Fair Value Disclosure Settlement Of Safes Through Issuance Of Promissory Note