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| IRS990/ActivityOrMissionDesc | 0 | The Corporation was formed to develop approximately 486,000 square feet of space in the Brooklyn Army Terminal into a site for new and growth-stage technology and biopharmaceutical companies to expand, create jobs, and manufacture products for market. |
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| IRS990/Desc | 0 | By providing these facilities and related support for the application, expansion and commercialization of biotechnology, life sciences, and hard sciences research at the Brooklyn Army Terminal, BioBAT fulfills its mission. The development of the space at BioBAT is being done in phases. Phase I is complete and fully occupied. Phase II is in development, with one current tenant and 60,000 square feet of space ready for development. BioBAT is in negotiations with several potential tenants to lease the remainder of the space.BioBAT holds a lease interest in a portion of the Brooklyn Army Terminal and is committed to creating a 21st Century working waterfront. Thus far Government funding has allowed BioBAT to acquire, maintain and develop this leasehold interest, as well as develop space for innovative companies to apply for occupancy and enter into leases for space. |
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| IRS990ScheduleA/Form990ScheduleAPartVIGrp/ExplanationTxt | 0 | Other Income - 2015 Amount: $ 20,918. reimbursed expenses - 2016 Amount: $ 271,546. |
| IRS990ScheduleA/Form990ScheduleAPartVIGrp/FormAndLineReferenceDesc | 0 | Schedule A, Part III, Line 12, Explanation of Other Income: |
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| IRS990ScheduleA/GrossInvestmentIncome509Grp/TotalAmt | 0 | 5 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearAmt | 0 | 1467446 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus1YearAmt | 0 | 1206728 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus2YearsAmt | 0 | 26331 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/TotalAmt | 0 | 2700505 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus2YearsAmt | 0 | 5 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/TotalAmt | 0 | 5 |
| IRS990ScheduleA/InvestmentIncomeCYPct | 0 | 0.00000 |
| IRS990ScheduleA/OtherIncome509Grp/CurrentTaxYearAmt | 0 | 271546 |
| IRS990ScheduleA/OtherIncome509Grp/CurrentTaxYearMinus1YearAmt | 0 | 20918 |
| IRS990ScheduleA/OtherIncome509Grp/TotalAmt | 0 | 292464 |
| IRS990ScheduleA/PubliclySupportedOrg509a2Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY509Pct | 0 | 0.90230 |
| IRS990ScheduleA/PublicSupportPY509Pct | 0 | 0.98330 |
| IRS990ScheduleA/PublicSupportTotal509Amt | 0 | 2700505 |
| IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/SubstantialContributorsAmtGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY509Ind | 0 | X |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearAmt | 0 | 1467446 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus1YearAmt | 0 | 1206728 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 26331 |
| IRS990ScheduleA/Total509Grp/TotalAmt | 0 | 2700505 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearAmt | 0 | 1738992 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus1YearAmt | 0 | 1227646 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus2YearsAmt | 0 | 26336 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/TotalAmt | 0 | 2992974 |
| IRS990/ScheduleBRequiredInd | 0 | 0 |
| IRS990ScheduleD/BuildingsGrp/BookValueAmt | 0 | 40327873 |
| IRS990ScheduleD/BuildingsGrp/DepreciationAmt | 0 | 3360120 |
| IRS990ScheduleD/BuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 43687993 |
| IRS990ScheduleD/DonatedServicesAndUseFcltsAmt | 0 | 6318000 |
| IRS990ScheduleD/EquipmentGrp/BookValueAmt | 0 | 28176 |
| IRS990ScheduleD/EquipmentGrp/DepreciationAmt | 0 | 1048 |
| IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt | 0 | 29224 |
| IRS990ScheduleD/ExpensesNotReportedAmt | 0 | 6318000 |
| IRS990ScheduleD/ExpensesNotRptFinclStmtAmt | 0 | 0 |
| IRS990ScheduleD/ExpensesSubtotalAmt | 0 | 2673031 |
| IRS990ScheduleD/FootnoteTextInd | 0 | X |
| IRS990ScheduleD/LeaseholdImprovementsGrp/BookValueAmt | 0 | 275032 |
| IRS990ScheduleD/LeaseholdImprovementsGrp/DepreciationAmt | 0 | 10370 |
| IRS990ScheduleD/LeaseholdImprovementsGrp/OtherCostOrOtherBasisAmt | 0 | 285402 |
| IRS990ScheduleD/OtherLandBuildingsGrp/BookValueAmt | 0 | 255625 |
| IRS990ScheduleD/OtherLandBuildingsGrp/DepreciationAmt | 0 | 41559 |
| IRS990ScheduleD/OtherLandBuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 297184 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 0 | 11231 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 0 | tenant deposits |
| IRS990ScheduleD/PriorYearAdjustmentsAmt | 0 | 6318000 |
| IRS990ScheduleD/RevenueNotReportedAmt | 0 | 6318000 |
| IRS990ScheduleD/RevenueNotReportedFinclStmtAmt | 0 | 0 |
| IRS990ScheduleD/RevenueSubtotalAmt | 0 | 1738992 |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | Management has evaluated the Corporation's tax positions and concluded that the Corporation has not taken any uncertain tax positions that require adjustment to the financial statements to comply with the provisions of ASC 740. |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Part X, Line 2: |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 40886706 |
| IRS990ScheduleD/TotalExpensesPerForm990Amt | 0 | 2673031 |
| IRS990ScheduleD/TotalLiabilityAmt | 0 | 11231 |
| IRS990ScheduleD/TotalRevenuePerForm990Amt | 0 | 1738992 |
| IRS990ScheduleD/TotalRevEtcAuditedFinclStmtAmt | 0 | 8056992 |
| IRS990ScheduleD/TotExpnsEtcAuditedFinclStmtAmt | 0 | 8991031 |
| IRS990ScheduleJ/AnyNonFixedPaymentsInd | 0 | 0 |
| IRS990ScheduleJ/CompBasedOnRevenueOfFlngOrgInd | 0 | 0 |
| IRS990ScheduleJ/CompBsdNetEarnsFlngOrgInd | 0 | 0 |
| IRS990ScheduleJ/CompBsdNetEarnsRltdOrgsInd | 0 | 0 |
| IRS990ScheduleJ/CompBsdOnRevRelatedOrgsInd | 0 | 0 |