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Research and development Research and development expenses Research and Development Expense Common stock price Measurement Input, Share Price [Member] Adjustments to reconcile net loss to net cash used in operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Share-Based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Property, plant and equipment, net Total property, plant and equipment, net Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Debenture Debenture [Member] Debenture Investment of joint venture Payments to Acquire Interest in Joint Venture Financial Instruments [Domain] Financial Instruments [Domain] Average exchange rate for the period Average Exchange Rate For The Period [Abstract] Average Exchange Rate For The Period Share repurchase Stock Repurchased During Period, Value Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Underlying Securities Award Underlying Securities Amount Australian Taxation Office Australian Taxation Office [Member] Share issuance Stock Issued During Period, Value, New Issues Schedule of Wholly-Owned Subsidiaries Schedule of Subsidiary of Limited Liability Company or Limited Partnership, Description [Table Text Block] Cancelled or forfeited (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Schedule of Adjusted to Reflect this Redomiciliation Investment Company, Financial Highlights [Table Text Block] Proceeds from Income Tax Refund, Foreign Proceeds from Income Tax Refund, Foreign Discount rate (as a percent) Operating Lease, Weighted Average Discount Rate, Percent Segment Reporting [Table] Segment Reporting [Table] Schedule of R&D Tax Incentive Receivable Schedule Of RDTax Incentive Receivable [Table Text Block] Tabular disclosure of R&D Tax Incentive Receivable. 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Total trade and other payables, accrued expenses and other current liabilities Trade And Other Payables Accrued Expenses And Other Current Liabilities Amount of trade and other payables, accrued expenses and other current liabilities. Entity Small Business Entity Small Business Total comprehensive loss Total comprehensive loss Comprehensive Income (Loss), Net of Tax, Attributable to Parent Termination Date Trading Arrangement Termination Date Property, Plant, and Equipment [Line Items] Property, Plant, and Equipment [Line Items] Warrant exercisable shares (in shares) Warrant Exercisable Shares Number of shares are warrant exercisable shares. Subsequent Events [Abstract] Subsequent Events [Abstract] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Stock split ratio Stockholders' Equity Note, Stock Split, Conversion Ratio MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Non-deductible expenses Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount Document Type Document Type Accrued expenses Accrued Liabilities, Current Loss on extinguishment Loss on extinguishment Gain (Loss) on Extinguishment of Debt Entity Public Float Entity Public Float Fair Value as of Grant Date Award Grant Date Fair Value Repayment of convertible debt Repayment of convertible debt Repayments of Convertible Debt Non-cash interest expense Paid-in-Kind Interest Percentage of payment-in-kind interest rate (as a percent) Investment, Interest Rate, Paid in Kind Unvested Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Arrangement Duration Trading Arrangement Duration Subsequent Event [Line Items] Subsequent Event [Line Items] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Local Phone Number Local Phone Number Income tax benefit at the applicable tax rate of 30% Income (Loss) from Subsidiaries, Tax Expense (Benefit) Entity Address, Postal Zip Code Entity Address, Postal Zip Code Registrant Name Entity Registrant Name Common Stock Warrants Common Stock Warrants [Member] Common Stock Warrants Loss before income tax expense Accounting loss before tax Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Warrants term (in years) Warrants and Rights Outstanding, Term Commitments and contingencies (Note 8) Commitments and Contingencies Total property, plant and equipment, gross Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Share of earnings (loss) of joint venture Share of earnings (loss) of joint venture Income (Loss) from Equity Method Investments Trade and other payables Increase (Decrease) in Accounts Payable and Accrued Liabilities Machinery Machinery and Equipment [Member] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] Acquisitions Business Combination [Policy Text Block] Furniture, Fittings and Equipment Furniture and Fixtures [Member] Award Type [Domain] Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Purchase shares (in shares) Class of Warrant or Right, Outstanding Fair value of Financial Instruments Fair Value Disclosures [Text Block] Fair Value, Inputs, Level 3 Fair Value, Inputs, Level 3 [Member] Variable Interest Entity [Table] Variable Interest Entity [Table] Trade and other payables Trade And Other Payables [Policy Text Block] Disclosure of accounting policy for trade and other payables. Unvested (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Option, Nonvested, Weighted Average Exercise Price Operating lease term Lessee, Operating Lease, Term of Contract PEO Name PEO Name Number of tranches Debt Instrument, Issuance , Number Of Tranches Debt Instrument, Issuance , Number Of Tranches Geographical [Axis] Geographical [Axis] Accrued expenses and other current liabilities Total accrued expenses and other current liabilities Accrued Liabilities and Other Liabilities Long-Lived Asset, Class [Axis] Long-Lived Asset, Class [Axis] Concentration of Credit Risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Melbourne Melbourne [Member] Melbourne Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Equity method investment Equity Method Investments [Policy Text Block] Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Unused tax losses Un Recognized Unused Taxlosses Amount of un recognized unused tax losses. Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Debt Instrument [Axis] Debt Instrument [Axis] Subsequent Event [Table] Subsequent Event [Table] Equity method investment, ownership percentage Equity Method Investment, Ownership Percentage Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense Percentage of purchase price Share-Based Compensation Arrangement by Share-Based Payment Award, Purchase Price of Common Stock, Percent Additional Paid In Capital [Roll Forward] Additional Paid In Capital [Roll Forward] Additional Paid In Capital [Roll Forward] Pre-Funded Warrants Pre Funded Warrants [Member] Pre Funded Warrants Convertible note conversion (in shares) Issues of new shares – convertible note conversion (in shares) Stock Issued During Period, Shares, Conversion of Convertible Securities Current assets exceeded its current liabilities Net Current Assets (Liabilities) Current assets exceeded its current liabilities Series A Warrants Series A Warrants [Member] Series AWarrants Investment, Name [Domain] Investment, Name [Domain] Leases Lessee, Operating Leases [Text Block] Long-Term Debt, Type [Domain] Long-Term Debt, Type [Domain] Benefit from R&D Tax Incentive Benefit From Research And Development Tax Incentive [Policy Text Block] Benefit from R&D tax incentive. Net loss per share: Basic (in USD per share) Basic loss per share (in USD per share) Earnings Per Share, Basic Measurement Input Type [Axis] Measurement Input Type [Axis] Contract liabilities Contract with Customer, Liability, Current Share repurchase Payments for Repurchase of Common Stock Risk free rate of return Measurement Input, Risk Free Interest Rate [Member] Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] E L O C Purchase Agreement Equity Line Of Credit (ELOC) Purchase Agreement [Member] Equity Line Of Credit (ELOC) Purchase Agreement Award Type Award Type [Axis] Document Annual Report Document Annual Report Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accumulated deficit Retained Earnings (Accumulated Deficit) Fractional adjustment Fractional Adjustment Of Common Stock, Value Fractional Adjustment Of Common Stock, Value Unvested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested, Number of Shares Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Common Stock Common Stock Common Stock [Member] Stock-Based Payments - Schedule of Restricted Stock Activity (Details) [Table] Stock-Based Payments - Schedule of Restricted Stock Activity (Details) [Table] Stock-Based Payments - Schedule of Restricted Stock Activity (Details) [Table] Operating lease cost Operating Lease, Cost Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Change in fair value of convertible rights Fair Value Adjustment Of Convertible Rights Fair Value Adjustment Of Convertible Rights Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Other comprehensive income/(loss): Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent, Alternative [Abstract] Equity Awards Adjustments Equity Awards Adjustments [Member] Total liabilities and stockholders’ equity Liabilities and Equity Employee Stock Option Share-Based Payment Arrangement, Option [Member] Segments [Axis] Segments [Axis] Occupancy expenses Communications, Information Technology and Occupancy Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Related and Nonrelated Parties [Domain] Related and Nonrelated Parties [Domain] Weighted Average Grant Date Fair Value $ Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Income Tax Jurisdiction [Domain] Income Tax Jurisdiction [Domain] Measurement input Derivative Liability, Measurement Input Tabular List, Table Tabular List [Table Text Block] Vesting [Axis] Vesting [Axis] Additional paid-in capital Additional Paid in Capital Schedule of Trade and Other Payables, Accrued Expenses and Other Current Liabilities Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Name Awards Close in Time to MNPI Disclosures, Individual Name Entity Address, Country Entity Address, Country Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Outstanding, Aggregate Intrinsic Value Outstanding, Aggregate Intrinsic Value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Schedule of Data Regarding the Dollar Exchange Rate Open Forward Foreign Currency Contract [Table Text Block] General and administrative Total general and administration expenses General and administration expenses (excluding stock-based payment) General and Administrative Expense Long-Lived Asset, Class [Domain] Long-Lived Asset, Class [Domain] Sale of stock, price per share (in dollars per share) Sale of Stock, Price Per Share Convertible note conversion Issues of new shares – convertible note conversion Stock Issued During Period, Value, Conversion of Convertible Securities Risks and Uncertainties Risks And Uncertainties Policy [Policy Text Block] Disclosure of accounting policy for risks and uncertainties. Total Non Cash Investing And Financing Activities The total amount of non-cash investing and financing activities. Property, Plant, and Equipment [Table] Property, Plant, and Equipment [Table] Warrant term Class Of Warrant Or Right, Term Class Of Warrant Or Right, Term Adjustment to Compensation: Adjustment to Compensation [Axis] Class of Stock [Domain] Class of Stock [Domain] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Public Stock Offering Public Stock Offering [Member] Public Stock Offering Payments for repurchase of warrants Payments for Repurchase of Warrants Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Income Tax Jurisdiction [Axis] Income Tax Jurisdiction [Axis] Name Measure Name Income Tax Income Tax Disclosure [Text Block] Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Series A Warrant Series A Warrant [Member] Series A Warrant Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Investment Company, Financial Highlights [Table] Investment Company, Financial Highlights [Table] Additional Paid-in capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Equity-Line of Credit Purchase Agreement Equity Line Of Credit Purchase Agreement [Policy Text Block] Disclosure of accounting policy for equity-line of credit purchase agreement. Name Trading Arrangement, Individual Name Cash and cash equivalents Cash and Cash Equivalent Expected option term (years) Measurement Input, Expected Term [Member] R&D tax incentive receivable Increase (Decrease) in Research And Development Tax Incentive Receivable Represent the amount of increase decrease in research and development tax incentive receivable. $ Value [Abstract] Value Prepaid Expense and Other Assets, Current [Abstract] Prepaid Expense and Other Assets, Current [Abstract] Company Selected Measure Amount Company Selected Measure Amount Schedule of General and Administration Expenses Schedule Of General And Administration Expenses [Table Text Block] Schedule Of General And Administration Expenses Entity Address, Address Line Two Entity Address, Address Line Two Current assets: Assets, Current [Abstract] Lease term (years) Operating Lease, Weighted Average Remaining Lease Term USD: AUD Exchange Rate Foreign Currency Exchange Rate, Translation Non-PEO NEO Non-PEO NEO [Member] Foreign Currency Translation Foreign Currency Transactions and Translations Policy [Policy Text Block] Entity Address, Address Line One Entity Address, Address Line One Vested (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Income tax expense Income Tax Expense (Benefit) Foreign exchange gains/(losses) Gain (Loss), Foreign Currency Transaction, before Tax Comprehensive Loss Comprehensive Income, Policy [Policy Text Block] Award Timing Method Award Timing Method [Text Block] Principles of Consolidation Consolidation, Policy [Policy Text Block] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Net loss Net loss Net loss Net loss for the year (in thousands) Net Income (Loss) Attributable to Parent Long-Term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Statement [Table] Statement [Table] ELOC commitment fee Equity Line OF Commitment ("ELOC") Fee Equity Line OF Commitment ("ELOC") Fee Restatement Determination Date: Restatement Determination Date [Axis] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Interest income Investment Income, Interest Partial conversion of convertible note Debt Conversion, Converted Instrument, Amount Leases Lessee, Leases [Policy Text Block] Cancelled or forfeited (Years) Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Cancelled Or Forfeited, Weighted Average Remaining Contractual Term Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Cancelled Or Forfeited, Weighted Average Remaining Contractual Term Unrealized loss on foreign currency remeasurement Unrealized Gain (Loss), Foreign Currency Transaction, before Tax No. of Shares Shares [Abstract] Shares Basis of Presentation and Summary of Significant Accounting Policies Basis of Presentation and Significant Accounting Policies [Text Block] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block]