2.4.0.6 Html 221 337 1 false 65 0 false 6 false false R1.htm 0000 - Document - Document and Entity Information Sheet http://www.nupathe.com/role/DocumentAndEntityInformation Document and Entity Information true false R2.htm 0010 - Statement - Balance Sheets Sheet http://www.nupathe.com/role/BalanceSheet Balance Sheets false false R3.htm 0015 - Statement - Balance Sheets (Parenthetical) Sheet http://www.nupathe.com/role/BalanceSheetParenthetical Balance Sheets (Parenthetical) false false R4.htm 0020 - Statement - Statements of Operations Sheet http://www.nupathe.com/role/StatementOfIncome Statements of Operations false false R5.htm 0030 - Statement - Statements of Redeemable Convertible Preferred Stock and Stockholders' Equity (Deficit) Sheet http://www.nupathe.com/role/StatementOfStockholdersEquity Statements of Redeemable Convertible Preferred Stock and Stockholders' Equity (Deficit) false false R6.htm 0035 - Statement - Statements of Redeemable Convertible Preferred Stock and Stockholders' Equity (Deficit) (Parenthetical) Sheet http://www.nupathe.com/role/StatementStatementsofRedeemableConvertiblePreferredStockandStockholdersEquityDeficitParenthetical Statements of Redeemable Convertible Preferred Stock and Stockholders' Equity (Deficit) (Parenthetical) false false R7.htm 0040 - Statement - Statements of Cash Flows Sheet http://www.nupathe.com/role/CashFlows Statements of Cash Flows false false R8.htm 1010 - Disclosure - Background Sheet http://www.nupathe.com/role/DisclosureBackground Background false false R9.htm 1020 - Disclosure - Development-Stage Risks and Liquidity Sheet http://www.nupathe.com/role/DisclosureDevelopmentStageRisksAndLiquidity Development-Stage Risks and Liquidity false false R10.htm 1030 - Disclosure - Summary of Significant Accounting Policies Sheet http://www.nupathe.com/role/DisclosureSummaryOfSignificantAccountingPolicies Summary of Significant Accounting Policies false false R11.htm 1040 - Disclosure - Property and Equipment Sheet http://www.nupathe.com/role/DisclosurePropertyAndEquipment Property and Equipment false false R12.htm 1050 - Disclosure - Accrued Expenses Sheet http://www.nupathe.com/role/DisclosureAccruedExpenses Accrued Expenses false false R13.htm 1060 - Disclosure - Debt Sheet http://www.nupathe.com/role/DisclosureDebt Debt false false R14.htm 1070 - Disclosure - Capital Structure and Equity Financings Sheet http://www.nupathe.com/role/DisclosureCapitalStructureAndEquityFinancings Capital Structure and Equity Financings false false R15.htm 1080 - Disclosure - Stock-Based Compensation Sheet http://www.nupathe.com/role/DisclosureStockBasedCompensation Stock-Based Compensation false false R16.htm 1090 - Disclosure - Commitments Sheet http://www.nupathe.com/role/DisclosureCommitments Commitments false false R17.htm 1100 - Disclosure - 401(k) Profit Sharing Plan Sheet http://www.nupathe.com/role/Disclosure401kProfitSharingPlan 401(k) Profit Sharing Plan false false R18.htm 1110 - Disclosure - Income Taxes Sheet http://www.nupathe.com/role/DisclosureIncomeTaxes Income Taxes false false R19.htm 1120 - Disclosure - Quarterly Financial Information (unaudited) Sheet http://www.nupathe.com/role/DisclosureQuarterlyFinancialInformation Quarterly Financial Information (unaudited) false false R20.htm 2030 - Disclosure - Summary of Significant Accounting Policies (Policies) Sheet http://www.nupathe.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies Summary of Significant Accounting Policies (Policies) false false R21.htm 3030 - Disclosure - Summary of Significant Accounting Policies (Tables) Sheet http://www.nupathe.com/role/DisclosureSummaryOfSignificantAccountingPoliciesTables Summary of Significant Accounting Policies (Tables) false false R22.htm 3040 - Disclosure - Property and Equipment (Tables) Sheet http://www.nupathe.com/role/DisclosurePropertyAndEquipmentTables Property and Equipment (Tables) false false R23.htm 3050 - Disclosure - Accrued Expenses (Tables) Sheet http://www.nupathe.com/role/DisclosureAccruedExpensesTables Accrued Expenses (Tables) false false R24.htm 3060 - Disclosure - Debt (Tables) Sheet http://www.nupathe.com/role/DisclosureDebtTables Debt (Tables) false false R25.htm 3070 - Disclosure - Capital Structure and Equity Financings (Tables) Sheet http://www.nupathe.com/role/DisclosureCapitalStructureAndEquityFinancingsTables Capital Structure and Equity Financings (Tables) false false R26.htm 3080 - Disclosure - Stock-Based Compensation (Tables) Sheet http://www.nupathe.com/role/DisclosureStockBasedCompensationTables Stock-Based Compensation (Tables) false false R27.htm 3090 - Disclosure - Commitments (Tables) Sheet http://www.nupathe.com/role/DisclosureCommitmentsTables Commitments (Tables) false false R28.htm 3110 - Disclosure - Income Taxes (Tables) Sheet http://www.nupathe.com/role/DisclosureIncomeTaxesTables Income Taxes (Tables) false false R29.htm 3120 - Disclosure - Quarterly Financial Information (unaudited) (Tables) Sheet http://www.nupathe.com/role/DisclosureQuarterlyFinancialInformationTables Quarterly Financial Information (unaudited) (Tables) false false R30.htm 4020 - Disclosure - Development-Stage Risks and Liquidity (Details) Sheet http://www.nupathe.com/role/DisclosureDevelopmentStageRisksAndLiquidityDetails Development-Stage Risks and Liquidity (Details) false false R31.htm 4030 - Disclosure - Summary of Significant Accounting Policies (Details) Sheet http://www.nupathe.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails Summary of Significant Accounting Policies (Details) false false R32.htm 4031 - Disclosure - Summary of Significant Accounting Policies (Details 2) Sheet http://www.nupathe.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails2 Summary of Significant Accounting Policies (Details 2) false false R33.htm 4032 - Disclosure - Summary of Significant Accounting Policies (Details 3) Sheet http://www.nupathe.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails3 Summary of Significant Accounting Policies (Details 3) false false R34.htm 4033 - Disclosure - Summary of Significant Accounting Policies (Details 4) Sheet http://www.nupathe.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails4 Summary of Significant Accounting Policies (Details 4) false false R35.htm 4040 - Disclosure - Property and Equipment (Details) Sheet http://www.nupathe.com/role/DisclosurePropertyAndEquipmentDetails Property and Equipment (Details) false false R36.htm 4050 - Disclosure - Accrued Expenses (Details) Sheet http://www.nupathe.com/role/DisclosureAccruedExpensesDetails Accrued Expenses (Details) false false R37.htm 4060 - Disclosure - Debt (Details) Sheet http://www.nupathe.com/role/DisclosureDebtDetails Debt (Details) false false R38.htm 4061 - Disclosure - Debt (Details 2) Sheet http://www.nupathe.com/role/DisclosureDebtDetails2 Debt (Details 2) false false R39.htm 4070 - Disclosure - Capital Structure and Equity Financings (Details) Sheet http://www.nupathe.com/role/DisclosureCapitalStructureAndEquityFinancingsDetails Capital Structure and Equity Financings (Details) false false R40.htm 4071 - Disclosure - Capital Structure and Equity Financings (Details 2) Sheet http://www.nupathe.com/role/DisclosureCapitalStructureAndEquityFinancingsDetails2 Capital Structure and Equity Financings (Details 2) false false R41.htm 4072 - Disclosure - Capital Structure and Equity Financings (Details 3) Sheet http://www.nupathe.com/role/DisclosureCapitalStructureAndEquityFinancingsDetails3 Capital Structure and Equity Financings (Details 3) false false R42.htm 4073 - Disclosure - Capital Structure and Equity Financings (Details 4) Sheet http://www.nupathe.com/role/DisclosureCapitalStructureAndEquityFinancingsDetails4 Capital Structure and Equity Financings (Details 4) false false R43.htm 4074 - Disclosure - Capital Structure and Equity Financings (Details 5) Sheet http://www.nupathe.com/role/DisclosureCapitalStructureAndEquityFinancingsDetails5 Capital Structure and Equity Financings (Details 5) false false R44.htm 4080 - Disclosure - Stock-Based Compensation (Details) Sheet http://www.nupathe.com/role/DisclosureStockBasedCompensationDetails Stock-Based Compensation (Details) false false R45.htm 4081 - Disclosure - Stock-Based Compensation (Details 2) Sheet http://www.nupathe.com/role/DisclosureStockBasedCompensationDetails2 Stock-Based Compensation (Details 2) false false R46.htm 4082 - Disclosure - Stock-Based Compensation (Details 3) Sheet http://www.nupathe.com/role/DisclosureStockBasedCompensationDetails3 Stock-Based Compensation (Details 3) false false R47.htm 4083 - Disclosure - Stock-Based Compensation (Details 4) Sheet http://www.nupathe.com/role/DisclosureStockBasedCompensationDetails4 Stock-Based Compensation (Details 4) false false R48.htm 4090 - Disclosure - Commitments (Details) Sheet http://www.nupathe.com/role/DisclosureCommitmentsDetails Commitments (Details) false false R49.htm 4100 - Disclosure - 401(k) Profit Sharing Plan (Details) Sheet http://www.nupathe.com/role/Disclosure401kProfitSharingPlanDetails 401(k) Profit Sharing Plan (Details) false false R50.htm 4110 - Disclosure - Income Taxes (Details) Sheet http://www.nupathe.com/role/DisclosureIncomeTaxesDetails Income Taxes (Details) false false R51.htm 4111 - Disclosure - Income Taxes (Details 2) Sheet http://www.nupathe.com/role/DisclosureIncomeTaxesDetails2 Income Taxes (Details 2) false false R52.htm 4120 - Disclosure - Quarterly Financial Information (unaudited) (Details) Sheet http://www.nupathe.com/role/DisclosureQuarterlyFinancialInformationDetails Quarterly Financial Information (unaudited) (Details) false false All Reports Book All Reports Element us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate had a mix of decimals attribute values: 3 4. 'Monetary' elements on report '4071 - Disclosure - Capital Structure and Equity Financings (Details 2)' had a mix of different decimal attribute values. 'Monetary' elements on report '4090 - Disclosure - Commitments (Details)' had a mix of different decimal attribute values. Process Flow-Through: 0010 - Statement - Balance Sheets Process Flow-Through: Removing column 'Dec. 31, 2010' Process Flow-Through: Removing column 'Dec. 31, 2009' Process Flow-Through: Removing column 'Dec. 31, 2008' Process Flow-Through: Removing column 'Dec. 31, 2007' Process Flow-Through: Removing column 'Dec. 31, 2006' Process Flow-Through: Removing column 'Dec. 31, 2005' Process Flow-Through: 0015 - Statement - Balance Sheets (Parenthetical) Process Flow-Through: 0020 - Statement - Statements of Operations Process Flow-Through: Removing column '3 Months Ended Dec. 31, 2012' Process Flow-Through: Removing column '3 Months Ended Sep. 30, 2012' Process Flow-Through: Removing column '3 Months Ended Jun. 30, 2012' Process Flow-Through: Removing column '3 Months Ended Mar. 31, 2012' Process Flow-Through: Removing column '3 Months Ended Dec. 31, 2011' Process Flow-Through: Removing column '3 Months Ended Sep. 30, 2011' Process Flow-Through: Removing column '3 Months Ended Jun. 30, 2011' Process Flow-Through: Removing column '3 Months Ended Mar. 31, 2011' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 2009' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 2008' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 2007' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 2006' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 2005' Process Flow-Through: 0035 - Statement - Statements of Redeemable Convertible Preferred Stock and Stockholders' Equity (Deficit) (Parenthetical) Process Flow-Through: Removing column 'Dec. 31, 2012' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 2012 Preferred Stock Convertible Preferred Stock' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 2011 Common Stock' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 2010 Common Stock' Process Flow-Through: Removing column 'Dec. 31, 2005 Common Stock' Process Flow-Through: 0040 - Statement - Statements of Cash Flows Process Flow-Through: Removing column '96 Months Ended Dec. 31, 2012 EUR (€)' path-20121231.xml path-20121231.xsd path-20121231_cal.xml path-20121231_def.xml path-20121231_lab.xml path-20121231_pre.xml true true