Commitments And Contingencies (Narrative) (Details) (USD $)
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0 Months Ended | 3 Months Ended | 12 Months Ended | ||||
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Jul. 26, 2014
sqft
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Jul. 01, 2013
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Jun. 29, 2009
sqft
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Jun. 22, 2009
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Mar. 31, 2015
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Mar. 31, 2014
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Dec. 31, 2009
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Commitments And Contingencies [Line Items] | |||||||
Estimated cost to complete contracts | $ 9,780,000rnn_ResearchAndDevelopmentEstimatedCostToCompleteContractsWithVendors | ||||||
Office lease term | 5 years | ||||||
Office space | 5,466rnn_LeaseArea | ||||||
Addotional office space | 1,637rnn_AdditionalLeaseArea | ||||||
License Costs | 100,000us-gaap_LicenseCosts | ||||||
One-time milestone payment | 1,000,000rnn_ResearchAndDevelopementAgreementOneTimeMilestonePayment | ||||||
First achievement of marketing approvals | 30 days | ||||||
Rent expense, current | 100,210us-gaap_OperatingLeasesRentExpenseNet | ||||||
Employer matching contribution | 100.00%rnn_DefinedContributionPlanEmployerMatchingContribution | ||||||
Maximum percentage of employee's gross pay | 3.00%us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent | ||||||
Employer matching contribution on deferral | 50.00%rnn_DefinedContributionPlanMaximumAnnualContributionPerEmployeeAdditionalPercentOnDeferral | ||||||
Percentage of employee's gross pay | 2.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent | ||||||
Expense related to matching contribution | 29,359us-gaap_DefinedContributionPlanCostRecognized | 20,700us-gaap_DefinedContributionPlanCostRecognized | |||||
Laboratory renewal term | 1 year | ||||||
Maximum [Member] | |||||||
Commitments And Contingencies [Line Items] | |||||||
Contract term, months | 36 months | ||||||
Minimum [Member] | |||||||
Commitments And Contingencies [Line Items] | |||||||
Contract term, months | 2 months | ||||||
Lab Space Rental [Member] | |||||||
Commitments And Contingencies [Line Items] | |||||||
Rent expense, current |
13,662us-gaap_OperatingLeasesRentExpenseNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = rnn_LabSpaceRentalMember |
13,662us-gaap_OperatingLeasesRentExpenseNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = rnn_LabSpaceRentalMember |
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Montly rental committment |
4,554rnn_MontlyRentalCommittment / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = rnn_LabSpaceRentalMember |
4,554rnn_MontlyRentalCommittment / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = rnn_LabSpaceRentalMember |
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Office Space Rental [Member] | |||||||
Commitments And Contingencies [Line Items] | |||||||
Rent expense, current |
$ 50,058us-gaap_OperatingLeasesRentExpenseNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = rnn_OfficeSpaceRentalMember |
$ 25,053us-gaap_OperatingLeasesRentExpenseNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = rnn_OfficeSpaceRentalMember |
X | ||||||||||
- Definition
Additional Lease Area No definition available.
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- Details
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- Definition
Defined Contribution Plan, Employer Matching Contribution No definition available.
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X | ||||||||||
- Definition
Defined Contribution Plan Maximum Annual Contribution Per Employee Additional Percent On Deferral No definition available.
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X | ||||||||||
- Definition
First achievement of marketing approvals No definition available.
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X | ||||||||||
- Definition
Laboratory Space, Renewal Term No definition available.
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X | ||||||||||
- Definition
Lease, Area No definition available.
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X | ||||||||||
- Definition
Lease Term No definition available.
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X | ||||||||||
- Definition
Montly Rental Committment No definition available.
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- Definition
Research And Developement Agreement One Time Milestone Payment No definition available.
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X | ||||||||||
- Definition
Research And Developement Arragement Contract To Perform For Others, Term No definition available.
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- Definition
Research and development agreements, estimated cost to complete contracts with vendors No definition available.
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- Definition
The amount of the cost recognized during the period for defined contribution plans. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. No definition available.
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X | ||||||||||
- Definition
Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan. No definition available.
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X | ||||||||||
- Definition
Costs incurred and are directly related to generating license revenue. Licensing arrangements include, but are not limited to, rights to use a patent, copyright, technology, manufacturing process, software or trademark. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Details
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- Details
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- Details
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