2.4.1.9 Html 312 499 1 true 120 0 false 14 false false R1.htm 000100 - Document - Document and Entity Information Sheet http://biotimeinc.com/role/DocumentAndEntityInformation Document and Entity Information true false R2.htm 010000 - Statement - CONSOLIDATED BALANCE SHEETS Sheet http://biotimeinc.com/role/ConsolidatedBalanceSheets CONSOLIDATED BALANCE SHEETS false false R3.htm 010100 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) Sheet http://biotimeinc.com/role/ConsolidatedBalanceSheetsParenthetical CONSOLIDATED BALANCE SHEETS (Parenthetical) false false R4.htm 020000 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS Sheet http://biotimeinc.com/role/ConsolidatedStatementsOfOperations CONSOLIDATED STATEMENTS OF OPERATIONS false false R5.htm 030000 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS Sheet http://biotimeinc.com/role/ConsolidatedStatementsOfComprehensiveLoss CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS false false R6.htm 040000 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY Sheet http://biotimeinc.com/role/ConsolidatedStatementsOfChangesInEquity CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY false false R7.htm 040100 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical) Sheet http://biotimeinc.com/role/ConsolidatedStatementsOfChangesInEquityParenthetical CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical) false false R8.htm 050000 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS Sheet http://biotimeinc.com/role/ConsolidatedStatementsOfCashFlows CONSOLIDATED STATEMENTS OF CASH FLOWS false false R9.htm 060100 - Disclosure - Organization and Basis of Presentation and Liquidity Sheet http://biotimeinc.com/role/OrganizationAndBasisOfPresentationAndLiquidity Organization and Basis of Presentation and Liquidity false false R10.htm 060200 - Disclosure - Summary of Significant Accounting Policies Sheet http://biotimeinc.com/role/SummaryOfSignificantAccountingPolicies Summary of Significant Accounting Policies false false R11.htm 060300 - Disclosure - Inventory Sheet http://biotimeinc.com/role/Inventory Inventory false false R12.htm 060400 - Disclosure - Equipment Sheet http://biotimeinc.com/role/Equipment Equipment false false R13.htm 060500 - Disclosure - Intangible assets Sheet http://biotimeinc.com/role/IntangibleAssets Intangible assets false false R14.htm 060600 - Disclosure - Royalty Obligation and Deferred License Fees Sheet http://biotimeinc.com/role/RoyaltyObligationAndDeferredLicenseFees Royalty Obligation and Deferred License Fees false false R15.htm 060700 - Disclosure - Accounts Payable and Accrued Liabilities Sheet http://biotimeinc.com/role/AccountsPayableAndAccruedLiabilities Accounts Payable and Accrued Liabilities false false R16.htm 060800 - Disclosure - Related Party Transactions and Related Party Convertible Debt Sheet http://biotimeinc.com/role/RelatedPartyTransactionsAndRelatedPartyConvertibleDebt Related Party Transactions and Related Party Convertible Debt false false R17.htm 060900 - Disclosure - Shareholders' Equity Sheet http://biotimeinc.com/role/ShareholdersEquity Shareholders' Equity false false R18.htm 061000 - Disclosure - Stock Option Plans Sheet http://biotimeinc.com/role/StockOptionPlans Stock Option Plans false false R19.htm 061100 - Disclosure - Sales of BioTime Common Shares by Subsidiaries Sheet http://biotimeinc.com/role/SalesOfBiotimeCommonSharesBySubsidiaries Sales of BioTime Common Shares by Subsidiaries false false R20.htm 061200 - Disclosure - Clinical Trial and Option Agreement and CIRM Grant Award Sheet http://biotimeinc.com/role/ClinicalTrialAndOptionAgreementAndCirmGrantAward Clinical Trial and Option Agreement and CIRM Grant Award false false R21.htm 061300 - Disclosure - Share Exchange and Contribution Agreement Sheet http://biotimeinc.com/role/ShareExchangeAndContributionAgreement Share Exchange and Contribution Agreement false false R22.htm 061400 - Disclosure - Asset Contribution Agreement Sheet http://biotimeinc.com/role/AssetContributionAgreement Asset Contribution Agreement false false R23.htm 061500 - Disclosure - Commitments and Contingencies Sheet http://biotimeinc.com/role/CommitmentsAndContingencies Commitments and Contingencies false false R24.htm 061600 - Disclosure - Income Taxes Sheet http://biotimeinc.com/role/IncomeTaxes Income Taxes false false R25.htm 061700 - Disclosure - Segment Information Sheet http://biotimeinc.com/role/SegmentInformation Segment Information false false R26.htm 061800 - Disclosure - Enterprise-wide Disclosures Sheet http://biotimeinc.com/role/EnterprisewideDisclosures Enterprise-wide Disclosures false false R27.htm 061900 - Disclosure - Selected Quarterly Financial Information (UNAUDITED) Sheet http://biotimeinc.com/role/SelectedQuarterlyFinancialInformationUnaudited Selected Quarterly Financial Information (UNAUDITED) false false R28.htm 062000 - Disclosure - Subsequent Events Sheet http://biotimeinc.com/role/SubsequentEvents Subsequent Events false false R29.htm 070200 - Disclosure - Summary of Significant Accounting Policies (Policies) Sheet http://biotimeinc.com/role/SummaryOfSignificantAccountingPoliciesPolicies Summary of Significant Accounting Policies (Policies) false false R30.htm 080100 - Disclosure - Organization and Basis of Presentation and Liquidity (Tables) Sheet http://biotimeinc.com/role/OrganizationAndBasisOfPresentationAndLiquidityTables Organization and Basis of Presentation and Liquidity (Tables) false false R31.htm 080400 - Disclosure - Equipment (Tables) Sheet http://biotimeinc.com/role/EquipmentTables Equipment (Tables) false false R32.htm 080500 - Disclosure - Intangible assets (Tables) Sheet http://biotimeinc.com/role/IntangibleAssetsTables Intangible assets (Tables) false false R33.htm 080600 - Disclosure - Royalty Obligation and Deferred License Fees (Tables) Sheet http://biotimeinc.com/role/RoyaltyObligationAndDeferredLicenseFeesTables Royalty Obligation and Deferred License Fees (Tables) false false R34.htm 080700 - Disclosure - Accounts Payable and Accrued Liabilities (Tables) Sheet http://biotimeinc.com/role/AccountsPayableAndAccruedLiabilitiesTables Accounts Payable and Accrued Liabilities (Tables) false false R35.htm 080900 - Disclosure - Shareholders' Equity (Tables) Sheet http://biotimeinc.com/role/ShareholdersEquityTables Shareholders' Equity (Tables) false false R36.htm 081000 - Disclosure - Stock Option Plans (Tables) Sheet http://biotimeinc.com/role/StockOptionPlansTables Stock Option Plans (Tables) false false R37.htm 081400 - Disclosure - Asset Contribution Agreement (Tables) Sheet http://biotimeinc.com/role/AssetContributionAgreementTables Asset Contribution Agreement (Tables) false false R38.htm 081500 - Disclosure - Commitments and Contingencies (Tables) Sheet http://biotimeinc.com/role/CommitmentsAndContingenciesTables Commitments and Contingencies (Tables) false false R39.htm 081600 - Disclosure - Income Taxes (Tables) Sheet http://biotimeinc.com/role/IncomeTaxesTables Income Taxes (Tables) false false R40.htm 081800 - Disclosure - Enterprise-wide Disclosures (Tables) Sheet http://biotimeinc.com/role/EnterprisewideDisclosuresTables Enterprise-wide Disclosures (Tables) false false R41.htm 081900 - Disclosure - Selected Quarterly Financial Information (UNAUDITED) (Tables) Sheet http://biotimeinc.com/role/SelectedQuarterlyFinancialInformationUnauditedTables Selected Quarterly Financial Information (UNAUDITED) (Tables) false false R42.htm 090100 - Disclosure - Organization and Basis of Presentation and Liquidity (Details) Sheet http://biotimeinc.com/role/OrganizationAndBasisOfPresentationAndLiquidityDetails Organization and Basis of Presentation and Liquidity (Details) false false R43.htm 090200 - Disclosure - Summary of Significant Accounting Policies (Details) Sheet http://biotimeinc.com/role/SummaryOfSignificantAccountingPoliciesDetails Summary of Significant Accounting Policies (Details) false false R44.htm 090300 - Disclosure - Inventory (Details) Sheet http://biotimeinc.com/role/InventoryDetails Inventory (Details) false false R45.htm 090400 - Disclosure - Equipment (Details) Sheet http://biotimeinc.com/role/EquipmentDetails Equipment (Details) false false R46.htm 090500 - Disclosure - Intangible assets (Details) Sheet http://biotimeinc.com/role/IntangibleAssetsDetails Intangible assets (Details) false false R47.htm 090600 - Disclosure - Royalty Obligation and Deferred License Fees (Details) Sheet http://biotimeinc.com/role/RoyaltyObligationAndDeferredLicenseFeesDetails Royalty Obligation and Deferred License Fees (Details) false false R48.htm 090700 - Disclosure - Accounts Payable and Accrued Liabilities (Details) Sheet http://biotimeinc.com/role/AccountsPayableAndAccruedLiabilitiesDetails Accounts Payable and Accrued Liabilities (Details) false false R49.htm 090800 - Disclosure - Related Party Transactions and Related Party Convertible Debt(Details) Sheet http://biotimeinc.com/role/RelatedPartyTransactionsAndRelatedPartyConvertibleDebtDetails Related Party Transactions and Related Party Convertible Debt(Details) false false R50.htm 090900 - Disclosure - Shareholders' Equity, Warrants and Options (Details) Sheet http://biotimeinc.com/role/ShareholdersEquityWarrantsAndOptionsDetails Shareholders' Equity, Warrants and Options (Details) false false R51.htm 090902 - Disclosure - Shareholders' Equity, Preferred and Common Shares (Details) Sheet http://biotimeinc.com/role/ShareholdersEquityPreferredAndCommonSharesDetails Shareholders' Equity, Preferred and Common Shares (Details) false false R52.htm 091000 - Disclosure - Stock Option Plans (Details) Sheet http://biotimeinc.com/role/StockOptionPlansDetails Stock Option Plans (Details) false false R53.htm 091002 - Disclosure - Stock Option Plans, Allocation of Recognized Period Costs (Details) Sheet http://biotimeinc.com/role/StockOptionPlansAllocationOfRecognizedPeriodCostsDetails Stock Option Plans, Allocation of Recognized Period Costs (Details) false false R54.htm 091100 - Disclosure - Sales of BioTime Common Shares by Subsidiaries (Details) Sheet http://biotimeinc.com/role/SalesOfBiotimeCommonSharesBySubsidiariesDetails Sales of BioTime Common Shares by Subsidiaries (Details) false false R55.htm 091200 - Disclosure - Clinical Trial and Option Agreement and CIRM Grant Award (Details) Sheet http://biotimeinc.com/role/ClinicalTrialAndOptionAgreementAndCirmGrantAwardDetails Clinical Trial and Option Agreement and CIRM Grant Award (Details) false false R56.htm 091300 - Disclosure - Share Exchange and Contribution Agreement (Details) Sheet http://biotimeinc.com/role/ShareExchangeAndContributionAgreementDetails Share Exchange and Contribution Agreement (Details) false false R57.htm 091400 - Disclosure - Asset Contribution Agreement (Details) Sheet http://biotimeinc.com/role/AssetContributionAgreementDetails Asset Contribution Agreement (Details) false false R58.htm 091500 - Disclosure - Commitments and Contingencies (Details) Sheet http://biotimeinc.com/role/CommitmentsAndContingenciesDetails Commitments and Contingencies (Details) false false R59.htm 091600 - Disclosure - Income Taxes (Details) Sheet http://biotimeinc.com/role/IncomeTaxesDetails Income Taxes (Details) false false R60.htm 091700 - Disclosure - Segment Information (Details) Sheet http://biotimeinc.com/role/SegmentInformationDetails Segment Information (Details) false false R61.htm 091800 - Disclosure - Enterprise-wide Disclosures (Details) Sheet http://biotimeinc.com/role/EnterprisewideDisclosuresDetails Enterprise-wide Disclosures (Details) false false R62.htm 091900 - Disclosure - Selected Quarterly Financial Information (UNAUDITED) (Details) Sheet http://biotimeinc.com/role/SelectedQuarterlyFinancialInformationUnauditedDetails Selected Quarterly Financial Information (UNAUDITED) (Details) false false R63.htm 092000 - Disclosure - Subsequent Events (Details) Sheet http://biotimeinc.com/role/SubsequentEventsDetails Subsequent Events (Details) false false All Reports Book All Reports Element btx_BaseRent had a mix of decimals attribute values: 0 2. Element btx_RoyaltyPercentage had a mix of decimals attribute values: 2 3. Element btx_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsOutstandingPerShareExercisePrice had a mix of decimals attribute values: 0 2. Element btx_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsOutstandingWeightedAverageExercisePrice had a mix of decimals attribute values: 0 2. Element us-gaap_CommonStockNoParValue had a mix of decimals attribute values: 0 4. Element us-gaap_EffectiveIncomeTaxRateContinuingOperations had a mix of decimals attribute values: 0 2. Element us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseResearchAndDevelopment had a mix of decimals attribute values: 0 2. Element us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes had a mix of decimals attribute values: 0 2. Element us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit had a mix of decimals attribute values: 2 3. Element us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1 had a mix of decimals attribute values: 2 3. Columns in Cash Flows statement 'CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)' have maximum duration 365 days and at least 66 values. Shorter duration columns must have at least one fourth (16) as many values. Column '1/1/2013 - 3/31/2013' is shorter (89 days) and has only 3 values, so it is being removed. Columns in Cash Flows statement 'CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)' have maximum duration 365 days and at least 66 values. Shorter duration columns must have at least one fourth (16) as many values. Column '4/1/2013 - 6/30/2013' is shorter (90 days) and has only 2 values, so it is being removed. Columns in Cash Flows statement 'CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)' have maximum duration 365 days and at least 66 values. Shorter duration columns must have at least one fourth (16) as many values. Column '7/1/2013 - 9/30/2013' is shorter (91 days) and has only 2 values, so it is being removed. Columns in Cash Flows statement 'CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)' have maximum duration 365 days and at least 66 values. Shorter duration columns must have at least one fourth (16) as many values. Column '9/29/2013 - 12/31/2013' is shorter (93 days) and has only 3 values, so it is being removed. Columns in Cash Flows statement 'CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)' have maximum duration 365 days and at least 66 values. Shorter duration columns must have at least one fourth (16) as many values. Column '1/1/2014 - 3/31/2014' is shorter (89 days) and has only 2 values, so it is being removed. Columns in Cash Flows statement 'CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)' have maximum duration 365 days and at least 66 values. Shorter duration columns must have at least one fourth (16) as many values. Column '4/1/2014 - 6/30/2014' is shorter (90 days) and has only 1 values, so it is being removed. Columns in Cash Flows statement 'CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)' have maximum duration 365 days and at least 66 values. Shorter duration columns must have at least one fourth (16) as many values. Column '7/1/2014 - 9/30/2014' is shorter (91 days) and has only 1 values, so it is being removed. Columns in Cash Flows statement 'CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)' have maximum duration 365 days and at least 66 values. Shorter duration columns must have at least one fourth (16) as many values. Column '10/2/2014 - 12/31/2014' is shorter (90 days) and has only 2 values, so it is being removed. Process Flow-Through: 010000 - Statement - CONSOLIDATED BALANCE SHEETS Process Flow-Through: Removing column 'Dec. 31, 2012' Process Flow-Through: Removing column 'Dec. 31, 2011' Process Flow-Through: 010100 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) Process Flow-Through: 020000 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS Process Flow-Through: Removing column '3 Months Ended Dec. 31, 2014' Process Flow-Through: Removing column '3 Months Ended Sep. 30, 2014' Process Flow-Through: Removing column '3 Months Ended Jun. 30, 2014' Process Flow-Through: Removing column '3 Months Ended Mar. 31, 2014' Process Flow-Through: Removing column '3 Months Ended Dec. 31, 2013' Process Flow-Through: Removing column '3 Months Ended Sep. 30, 2013' Process Flow-Through: Removing column '3 Months Ended Jun. 30, 2013' Process Flow-Through: Removing column '3 Months Ended Mar. 31, 2013' Process Flow-Through: 030000 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS Process Flow-Through: 040100 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical) Process Flow-Through: 050000 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS btx-20141231.xml btx-20141231.xsd btx-20141231_cal.xml btx-20141231_def.xml btx-20141231_lab.xml btx-20141231_pre.xml true true