Document And Entity Information us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Statistical Measurement [Axis] Debt Instrument, Name [Domain] Note To Financial Statement Details Textual Interest income Significant Accounting Policies us-gaap_IncomeTaxExpenseBenefit Income tax expense us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period (in shares) Note 2 - Significant Accounting Policies ecd_NonRule10b51ArrTrmntdFlag Non-Rule 10b5-1 Arrangement Terminated [Flag] Note 3 - Property and Equipment ecd_NonRule10b51ArrAdoptedFlag Non-Rule 10b5-1 Arrangement Adopted [Flag] Note 6 - Common Stock Options us-gaap_Depreciation Depreciation Trading Arrangements, by Individual [Table] Note 2 - Significant Accounting Policies - Share-based Compensation Expense (Details) Material Terms of Trading Arrangement [Text Block] Note 2 - Significant Accounting Policies - Stock Option Valuation Assumptions (Details) Related and Nonrelated Parties [Axis] Note 3 - Property and Equipment - Property and Equipment, Net (Details) Note 6 - Common Stock Options - Changes in Common Stock Options Issued (Details) Notes To Financial Statements Minimum [Member] Notes To Financial Statements [Abstract] Foreign exchange (loss) gain Gain (Loss), Foreign Currency Transaction, before Tax Statistical Measurement [Domain] Maximum [Member] Schedule of Long-Term Debt Instruments [Table] us-gaap_ForeignCurrencyTransactionGainLossRealized Foreign exchange loss (gain) Debt Instrument [Axis] xbit_PolicyTable Common Stock Including Additional Paid in Capital [Member] Operating activities Investing activities us-gaap_NetCashProvidedByUsedInOperatingActivities Net cash used in operating activities Financing activities us-gaap_NetCashProvidedByUsedInInvestingActivities Net cash provided by (used in) investing activities us-gaap_NetCashProvidedByUsedInFinancingActivities Net cash used in financing activities Effective Income Tax Rate Reconciliation, Percent Effective Income Tax Rate Reconciliation, Percent us-gaap_ImpairmentOfLongLivedAssetsHeldForUse Impairment of Long-Lived Assets Held-for-use us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice Forfeitures, exercise price (in dollars per share) us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice Granted, exercise price (in dollars per share) Exercised, exercise price (in dollars per share) Accounting Policies [Abstract] Long-Lived Asset, Excluding Intangible Asset and Goodwill, Impairment and Disposal [Policy Text Block] us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable Income tax payable Interest expense Weighted Average [Member] us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet Accrued interest receivable Income Statement [Abstract] us-gaap_SharesOutstanding Balance (in shares) Balance (in shares) Net loss Net loss Net loss Adjustments to reconcile net loss to net cash used in operating activities: Award Type [Axis] Preferred stock, no par value, unlimited shares authorized, no shares outstanding us-gaap_Liabilities Total liabilities Plan Name [Axis] Plan Name [Domain] us-gaap_LiabilitiesAndStockholdersEquity Total liabilities and shareholders’ equity us-gaap_AllocatedShareBasedCompensationExpense Share-based compensation expense Mobile Facility [Member] Information pertaining to mobile facility. Title and Position [Axis] us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets Prepaid expenses and other current assets us-gaap_ShareBasedCompensation Share-based compensation expense Income Tax Disclosure [Text Block] Share-Based Payment Arrangement [Text Block] Changes in operating assets and liabilities: Accounts payable us-gaap_IncreaseDecreaseInAccountsPayable Accounting Standards Update and Change in Accounting Principle [Table] Reclassification [Table] Income Tax, Policy [Policy Text Block] Accrued expenses us-gaap_IncreaseDecreaseInAccruedLiabilities us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect Net change in cash and cash equivalents Related and Nonrelated Parties [Domain] us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents Effect of foreign exchange rate on cash and cash equivalents New Accounting Pronouncements, Policy [Policy Text Block] us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Concentration Risk, Credit Risk, Policy [Policy Text Block] Statement [Table] Effect of foreign exchange rate on cash and cash equivalents xbit_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisesInPeriodNet Exercised (in shares) Number of net share options (or share units) exercised during the current period Other income : Statement of Financial Position [Abstract] us-gaap_NonoperatingIncomeExpense Total other income xbit_PotentialMilestonePayments Potential Milestone Payments Represents potential milestone payments. Equipment [Member] Long-term liabilities: Product and Service [Domain] Product and Service [Axis] Vehicles [Member] us-gaap_PropertyPlantAndEquipmentUsefulLife Property, Plant and Equipment, Useful Life (Year) dei_DocumentType Document Type Weighted-average grant date fair value per share (in dollars per share) Operating expenses: Document Information [Line Items] Document Quarterly Report us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod Forfeitures (in shares) Document Information [Table] us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number dei_EntityInteractiveDataCurrent Entity Interactive Data Current us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year) us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber Options outstanding (in shares) Options outstanding (in shares) Document Transition Report Nature of Expense [Axis] us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice Options outstanding, exercise price (in dollars per share) Options outstanding, exercise price (in dollars per share) Statement [Line Items] us-gaap_OperatingExpenses Total operating expenses Common Stock, Shares, Issued (in shares) Common Stock, Shares, Outstanding (in shares) Award Type [Domain] Risk-free interest rate Expected volatility Shares used to compute basic and diluted net loss per share (in shares) Payment on convertible loan Proceeds from Convertible Debt Dividend yield Net loss per share—basic and diluted (in dollars per share) Research and Development Expense, Policy [Policy Text Block] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Common stock, no par value, unlimited shares authorized, 30,487,731 shares issued and outstanding at March 31, 2026 and December 31, 2025 Effective Income Tax Rate Reconciliation [Table] Title and Position [Domain] Earnings Per Share, Policy [Policy Text Block] Accounts payable Office Equipment [Member] us-gaap_PolicyTextBlockAbstract Accounting Policies us-gaap_DisclosureTextBlockAbstract Notes to Financial Statements us-gaap_TableTextBlock Notes Tables Document Fiscal Period Focus Document Fiscal Year Focus Amendment Flag Accrued expenses dei_DocumentPeriodEndDate Document Period End Date Building [Member] Nonrelated Party [Member] Property, Plant, and Equipment [Text Block] Long-Lived Asset, Class [Domain] us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross Granted (in shares) Legal Entity [Axis] Related Party [Member] Significant Accounting Policies [Text Block] us-gaap_DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger dei_EntityFileNumber Entity File Number Property, Plant and Equipment, Other Types [Member] Entity [Domain] Entity Central Index Key dei_EntityRegistrantName Entity Registrant Name dei_EntityCurrentReportingStatus Entity Current Reporting Status Entity Incorporation, State or Country Code Expected life (in years) (Year) Current Fiscal Year End Date us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1 Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted-Average Remaining Contractual Term us-gaap_ResearchAndDevelopmentExpense Research and development Entity Filer Category dei_EntityShellCompany Entity Shell Company Entity Emerging Growth Company Entity Small Business us-gaap_OperatingIncomeLoss Loss from operations Common Stock, Shares Authorized, Unlimited [Fixed List] Preferred Stock, Shares Authorized, Unlimited [Fixed List] dei_EntityAddressStateOrProvince Entity Address, State or Province Statement of Stockholders' Equity [Abstract] dei_EntityAddressCityOrTown Entity Address, City or Town Accumulated deficit dei_EntityAddressAddressLine1 Entity Address, Address Line One Statement of Cash Flows [Abstract] Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] dei_CityAreaCode City Area Code True Human [Member] Information related to True Human™. Winnebago Building [Member] Information pertaining to Winnebago building. dei_LocalPhoneNumber Local Phone Number Manufacturing Equipment [Member] Information pertaining to manufacturing equipment. dei_EntityAddressPostalZipCode Entity Address, Postal Zip Code xbit_SaleOfProductConsiderationReceived Sale of Product, Consideration Received Amount of consideration received from the sale of product. Shareholders’ equity: xbit_DebtInstrumentConvertibleAccelerationFeatureSharePrice Debt Instrument, Convertible, Acceleration Feature, Share Price Represents the minimum share price to trigger the acceleration feature of a convertible debt instrument. Title of 12(b) Security Equity Components [Axis] Security Exchange Name Trading Symbol xbit_DebtInstrumentConvertibleAccelerationFeatureCashPosition Debt Instrument, Convertible, Acceleration Feature, Cash Position Represents the cash position to trigger the acceleration feature of a convertible debt instrument. us-gaap_DebtInstrumentConvertibleConversionPrice1 Debt Instrument, Convertible, Conversion Price Share-Based Payment Arrangement [Policy Text Block] Convertible Loan Agreement [Member] Relating to the Convertible Loan Agreement. Class of Stock [Axis] Equity Component [Domain] Equity [Text Block] dei_EntityCommonStockSharesOutstanding Entity Common Stock, Shares Outstanding (in shares) Retained Earnings [Member] Preferred Stock, No Par Value (in dollars per share) Chief Executive Officer [Member] Foreign Currency Transactions and Translations Policy [Policy Text Block] Property and equipment, net Property, Plant and Equipment, Net Income tax payable us-gaap_AccruedIncomeTaxesNoncurrent Income tax payable Property, Plant, and Equipment [Policy Text Block] Property, Plant, and Equipment [Table] Furniture and Fixtures [Member] Share-based compensation expense Share-based compensation expense Basis of Accounting, Policy [Policy Text Block] Other expense Long-Lived Asset, Class [Axis] Share-Based Payment Arrangement, Option, Activity [Table Text Block] us-gaap_Assets Total assets Deferred tax liability Cash and Cash Equivalents, Policy [Policy Text Block] Cash and cash equivalents Cash and Cash Equivalent Accrued interest receivable Share-Based Payment Arrangement, Option [Member] Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Supplemental information: Current liabilities: us-gaap_LiabilitiesCurrent Total current liabilities The Plan [Member] Represents a stock option plan ("the Plan"). Consolidation, Policy [Policy Text Block] Cash paid for interest Common Stock, No Par Value (in dollars per share) Common Stock, No Par Value (in dollars per share) Interim Period, Costs Not Allocable [Domain] General and administrative us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest Income before income taxes Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] us-gaap_StockholdersEquity Total shareholders’ equity Balance Balance Research and Development [Member] Represents research and development expense. Subsequent Events, Policy [Policy Text Block] Debt Disclosure [Text Block] General and Administrative [Member] Represents general and administrative expense. Permit refund of construction in progress Amount of permit refund for construction in progress. Segment Reporting, Policy [Policy Text Block] Prepaid expenses and other current assets Use of Estimates, Policy [Policy Text Block] us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1 Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition us-gaap_PaymentsToAcquirePropertyPlantAndEquipment Purchase of property and equipment Stock, Class of Stock [Table] Current assets: Clinical Trial Accruals [Policy Text Block] Disclosure of accounting policy for clinical trial accruals. us-gaap_AssetsCurrent Total current assets ecd_Rule10b51ArrTrmntdFlag Rule 10b5-1 Arrangement Terminated [Flag] Property, Plant, and Equipment [Table Text Block] ecd_Rule10b51ArrAdoptedFlag Rule 10b5-1 Arrangement Adopted [Flag]