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Convertible Notes Payable (Details Textual) (USD $) | 1 Months Ended | 9 Months Ended | 12 Months Ended | 1 Months Ended | 6 Months Ended | 0 Months Ended | 1 Months Ended |  |
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Dec. 31, 2012 | Jul. 31, 2012 | Jun. 30, 2011 | Mar. 31, 2015 | Mar. 31, 2014 | Jun. 30, 2014 | Jun. 30, 2013 | Mar. 31, 2014 | Dec. 31, 2014 | Nov. 14, 2013 | Mar. 26, 2014 | Jan. 31, 2014 | Dec. 31, 2013
Third party capital investment |  |  |  | $ 2,500,000 antb_ThirdPartyCapitalInvestment |  | $ 2,500,000 antb_ThirdPartyCapitalInvestment |  |  |  |  |  |  |
Percentage of common share price of financing |  |  | 65.00%antb_PercentageOfCommonSharePriceOfFinancing | 65.00%antb_PercentageOfCommonSharePriceOfFinancing |  | 65.00%antb_PercentageOfCommonSharePriceOfFinancing |  |  |  |  |  |  |
Maximum convertible notes payable issuance | 1,000,000 antb_MaximumConvertibleNotesPayableIssuance | 2,000,000 antb_MaximumConvertibleNotesPayableIssuance | 2,000,000 antb_MaximumConvertibleNotesPayableIssuance |  |  | 1,000,000 antb_MaximumConvertibleNotesPayableIssuance |  |  |  |  |  |  |
Qualified offering common stock |  |  | 5,000,000 antb_QualifiedOfferingCommonStock |  |  |  |  |  |  |  |  |  |
Maximum conversion pre money valuation |  |  | 20,000,000 antb_MaximumConversionPreMoneyValuation |  |  |  |  |  |  |  |  |  |
Percentage of exercise per share on price per common share |  |  | 135.00%antb_PercentageOfExercisePerShareOnPricePerCommonShare |  |  |  |  |  |  |  |  |  |
Description of convertible notes | On the date of a Qualified Financing, the lenders are permitted an elective conversion option to convert the outstanding principal and interest at the lower of 50% of the price per share of common stock in the Qualified Financing or $4.50 per share. | On the maturity date of the convertible notes, or the closing of a Sale of the Company, whichever occurs first, the lenders are permitted an elective conversion option to convert the outstanding principal and interest on the convertible notes at the lower of 65% of the price per share of common stock in the Qualified Financing or 65% of the common stock price using a pre-money valuation of the Company of $20 million. |  |  |  |  |  |  |  |  |  |  |
Percentage of price per common share on warrant to purchase two shares of common stock |  | 135.00%antb_PercentageOfPricePerCommonShareOnWarrantToPurchaseTwoSharesOfCommonStock |  |  |  |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage | 8.00%us-gaap_DebtInstrumentInterestRateStatedPercentage | 8.00%us-gaap_DebtInstrumentInterestRateStatedPercentage | 8.00%us-gaap_DebtInstrumentInterestRateStatedPercentage | 8.00%us-gaap_DebtInstrumentInterestRateStatedPercentage |  |  |  |  |  |  |  |  |
Beneficial conversion feature recorded as a debt discount |  |  |  | 0 us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature | 2,922,938 us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature | 2,922,938 us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature | 0 us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature |  |  |  |  |  |
Percentage Of Price Per Common Share On Warrant To Purchase One Share Of Common Stock | 150.00%antb_PercentageOfPricePerCommonShareOnWarrantToPurchaseOneShareOfCommonStock |  |  |  |  |  |  |  |  |  |  |  |
Amortization of Debt Discount (Premium) |  |  |  | 0 us-gaap_AmortizationOfDebtDiscountPremium | 3,356,000 us-gaap_AmortizationOfDebtDiscountPremium | 3,356,000 us-gaap_AmortizationOfDebtDiscountPremium | 19,312 us-gaap_AmortizationOfDebtDiscountPremium |  |  |  |  |  |
Interest Paid |  |  |  | 0 us-gaap_InterestPaid | 0 us-gaap_InterestPaid | 15,726 us-gaap_InterestPaid | 0 us-gaap_InterestPaid |  |  |  |  |  |
Fair Value Of Warrants |  |  |  | 38,412 antb_FairValueOfWarrants |  | 35,595 antb_FairValueOfWarrants |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  | 60,000 us-gaap_DebtInstrumentFaceAmount |  | 60,000 us-gaap_DebtInstrumentFaceAmount | 3,732,500 us-gaap_DebtInstrumentFaceAmount |  |  |  |  |  |
Maximum |  |  |  |  |  |  |  |  |  |  |  |  |
Qualified financing |  | 5,000,000 antb_QualifiedFinancing / us-gaap_RangeAxis = us-gaap_MaximumMember |  |  |  |  |  |  |  |  |  |  |
Minimum |  |  |  |  |  |  |  |  |  |  |  |  |
Qualified financing |  | 2,500,000 antb_QualifiedFinancing / us-gaap_RangeAxis = us-gaap_MinimumMember |  |  |  |  |  |  |  |  |  |  |
Convertible Notes Payable |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, convertible, conversion price |  |  |  |  |  |  |  |  | $ 1.50 us-gaap_DebtInstrumentConvertibleConversionPrice1 / us-gaap_ShortTermDebtTypeAxis = us-gaap_ConvertibleNotesPayableMember |  |  |  |
Debt conversion, converted instrument, amount |  |  |  |  |  |  |  | 4,275,172 us-gaap_DebtConversionConvertedInstrumentAmount1 / us-gaap_ShortTermDebtTypeAxis = us-gaap_ConvertibleNotesPayableMember | 3,032,500 us-gaap_DebtConversionConvertedInstrumentAmount1 / us-gaap_ShortTermDebtTypeAxis = us-gaap_ConvertibleNotesPayableMember |  |  |  |
Beneficial conversion feature recorded as a debt discount |  |  |  |  |  |  |  |  | 653,000 us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature / us-gaap_ShortTermDebtTypeAxis = us-gaap_ConvertibleNotesPayableMember |  |  |  |
Marketable securities, equity securities, current, total |  |  |  |  |  |  |  |  | 3,000,000 us-gaap_MarketableSecuritiesEquitySecuritiesCurrent / us-gaap_ShortTermDebtTypeAxis = us-gaap_ConvertibleNotesPayableMember |  |  |  |
Debt instrument convertible number of common stock |  |  |  |  |  |  |  | 3,111,126 us-gaap_DebtConversionConvertedInstrumentSharesIssued1 / us-gaap_ShortTermDebtTypeAxis = us-gaap_ConvertibleNotesPayableMember |  |  |  |  |
Amortization of Debt Discount (Premium) |  |  |  |  |  |  |  |  | 653,000 us-gaap_AmortizationOfDebtDiscountPremium / us-gaap_ShortTermDebtTypeAxis = us-gaap_ConvertibleNotesPayableMember |  |  |  |
Convertible Notes Payable | Related Party |  |  |  |  |  |  |  |  |  |  |  |  |
Qualified offering common stock |  |  |  |  |  |  |  |  |  | 3,000,000 antb_QualifiedOfferingCommonStock / us-gaap_RelatedPartyTransactionAxis = antb_RelatedPartyMember / us-gaap_ShortTermDebtTypeAxis = us-gaap_ConvertibleNotesPayableMember |  |  |
Debt instrument, interest rate, stated percentage |  |  |  |  |  |  |  |  |  | 14.00%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_RelatedPartyTransactionAxis = antb_RelatedPartyMember / us-gaap_ShortTermDebtTypeAxis = us-gaap_ConvertibleNotesPayableMember |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights |  |  |  |  | $ 7.50 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_RelatedPartyTransactionAxis = antb_RelatedPartyMember / us-gaap_ShortTermDebtTypeAxis = us-gaap_ConvertibleNotesPayableMember |  |  | $ 7.50 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_RelatedPartyTransactionAxis = antb_RelatedPartyMember / us-gaap_ShortTermDebtTypeAxis = us-gaap_ConvertibleNotesPayableMember |  |  |  |  |
Line of Credit Facility, Current Borrowing Capacity |  |  |  |  |  |  |  |  |  | 250,000 us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity / us-gaap_RelatedPartyTransactionAxis = antb_RelatedPartyMember / us-gaap_ShortTermDebtTypeAxis = us-gaap_ConvertibleNotesPayableMember |  |  |
Warrants To Options Issued Upon Purchase Of Common Stock |  |  |  |  |  |  |  | 39,117 antb_WarrantsToOptionsIssuedUponPurchaseOfCommonStock / us-gaap_RelatedPartyTransactionAxis = antb_RelatedPartyMember / us-gaap_ShortTermDebtTypeAxis = us-gaap_ConvertibleNotesPayableMember |  |  |  |  |
Notes Payable, Related Parties, Current |  |  |  |  |  | 234,700 us-gaap_NotesPayableRelatedPartiesClassifiedCurrent / us-gaap_RelatedPartyTransactionAxis = antb_RelatedPartyMember / us-gaap_ShortTermDebtTypeAxis = us-gaap_ConvertibleNotesPayableMember |  |  |  |  |  |  |
Interest Paid |  |  |  |  |  | 12,895 us-gaap_InterestPaid / us-gaap_RelatedPartyTransactionAxis = antb_RelatedPartyMember / us-gaap_ShortTermDebtTypeAxis = us-gaap_ConvertibleNotesPayableMember |  |  |  |  |  |  |
Fair Value Of Warrants |  |  |  |  |  |  |  |  |  |  | 76,062 antb_FairValueOfWarrants / us-gaap_RelatedPartyTransactionAxis = antb_RelatedPartyMember / us-gaap_ShortTermDebtTypeAxis = us-gaap_ConvertibleNotesPayableMember |  |
Accrued Interest Payable To Related Parties |  |  |  |  |  | 0 antb_AccruedInterestPayableToRelatedParties / us-gaap_RelatedPartyTransactionAxis = antb_RelatedPartyMember / us-gaap_ShortTermDebtTypeAxis = us-gaap_ConvertibleNotesPayableMember |  |  |  |  |  |  |
Warrant Exercisable Period |  |  |  |  |  | 5 years |  |  |  |  |  |  |
2013 Notes |  |  |  |  |  |  |  |  |  |  |  |  |
Qualified financing |  |  |  | 2,703,000 antb_QualifiedFinancing / us-gaap_ShortTermDebtTypeAxis = antb_TwoThousandAndThirteenNotesMember |  |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage |  |  |  |  |  |  |  |  |  |  |  | 8.00%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_ShortTermDebtTypeAxis = antb_TwoThousandAndThirteenNotesMember | 8.00%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_ShortTermDebtTypeAxis = antb_TwoThousandAndThirteenNotesMember
Marketable securities, equity securities, current, total |  |  |  |  |  |  |  |  |  |  |  | 3,000,000 us-gaap_MarketableSecuritiesEquitySecuritiesCurrent / us-gaap_ShortTermDebtTypeAxis = antb_TwoThousandAndThirteenNotesMember | 3,000,000 us-gaap_MarketableSecuritiesEquitySecuritiesCurrent / us-gaap_ShortTermDebtTypeAxis = antb_TwoThousandAndThirteenNotesMember
Common stock convertible conversion price |  |  |  |  |  |  |  |  |  |  |  | $ 1.26 antb_CommonStockConvertibleConversionPrice / us-gaap_ShortTermDebtTypeAxis = antb_TwoThousandAndThirteenNotesMember | $ 1.26 antb_CommonStockConvertibleConversionPrice / us-gaap_ShortTermDebtTypeAxis = antb_TwoThousandAndThirteenNotesMember
Investment option convertible conversion price |  |  |  |  |  |  |  |  |  |  |  | $ 1.26 antb_InvestmentOptionConvertibleConversionPrice / us-gaap_ShortTermDebtTypeAxis = antb_TwoThousandAndThirteenNotesMember | $ 1.26 antb_InvestmentOptionConvertibleConversionPrice / us-gaap_ShortTermDebtTypeAxis = antb_TwoThousandAndThirteenNotesMember
Class of Warrant or Right, Exercise Price of Warrants or Rights |  |  |  |  |  |  |  |  |  |  |  | $ 1.89 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_ShortTermDebtTypeAxis = antb_TwoThousandAndThirteenNotesMember | $ 1.89 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_ShortTermDebtTypeAxis = antb_TwoThousandAndThirteenNotesMember
Debt instrument convertible number of common stock |  |  |  |  |  |  |  | 2,186,838 us-gaap_DebtConversionConvertedInstrumentSharesIssued1 / us-gaap_ShortTermDebtTypeAxis = antb_TwoThousandAndThirteenNotesMember |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  |  |  |  |  |  |  |  | $ 2,703,000 us-gaap_DebtInstrumentFaceAmount / us-gaap_ShortTermDebtTypeAxis = antb_TwoThousandAndThirteenNotesMember | $ 2,703,000 us-gaap_DebtInstrumentFaceAmount / us-gaap_ShortTermDebtTypeAxis = antb_TwoThousandAndThirteenNotesMember
2010 Notes |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage |  |  |  | 8.00%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_ShortTermDebtTypeAxis = antb_TwoThousandAndTenNotesMember |  | 8.00%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_ShortTermDebtTypeAxis = antb_TwoThousandAndTenNotesMember |  |  |  |  |  |  |

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- Definition Maximum convertible notes payable issuance + References No definition available. + Details
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- Definition Percentage of exercise per share on price per common share + References No definition available. + Details
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- Definition Percentage of price per common share on warrant to purchase one share of common stock + References No definition available. + Details
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- Definition Percentage of price per common share on warrant to purchase two shares of common stock + References No definition available. + Details
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- Definition Warrants to options issued upon purchase of common stock. + References No definition available. + Details
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- Definition Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 8 -Article 5 + Details
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- Definition The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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- Definition The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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- Definition Amount of a favorable spread to a debt holder between the amount of debt being converted and the value of the securities received upon conversion. This is an embedded conversion feature of convertible debt issued that is in-the-money at the commitment date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Beneficial Conversion Feature -URI http://asc.fasb.org/extlink&oid=6505963 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21538-112644 + Details
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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400 + Details
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