3.19.3.a.u2 html 208 456 1 false 59 0 false 9 false false R1.htm 0001000 - Document - Document and Entity Information Sheet http://www.eagleus.com/role/DocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 1001000 - Statement - Consolidated Balance Sheets Sheet http://www.eagleus.com/role/ConsolidatedBalanceSheets Consolidated Balance Sheets Statements 2 false false R3.htm 1001001 - Statement - Consolidated Balance Sheets (Parenthetical) Sheet http://www.eagleus.com/role/ConsolidatedBalanceSheetsParenthetical Consolidated Balance Sheets (Parenthetical) Statements 3 false false R4.htm 1002000 - Statement - Consolidated Statements of Operations Sheet http://www.eagleus.com/role/ConsolidatedStatementsOfOperations Consolidated Statements of Operations Statements 4 false false R5.htm 1003000 - Statement - Consolidated statements of changes in stockholders' equity Sheet http://www.eagleus.com/role/ConsolidatedStatementsOfChangesInStockholdersEquity Consolidated statements of changes in stockholders' equity Statements 5 false false R6.htm 1004000 - Statement - Consolidated Statements of Cash Flows Sheet http://www.eagleus.com/role/ConsolidatedStatementsOfCashFlows Consolidated Statements of Cash Flows Statements 6 false false R7.htm 2101100 - Disclosure - Organization and Business Sheet http://www.eagleus.com/role/OrganizationAndBusiness Organization and Business Notes 7 false false R8.htm 2104100 - Disclosure - Summary of Significant Accounting Policies Sheet http://www.eagleus.com/role/SummaryOfSignificantAccountingPolicies Summary of Significant Accounting Policies Notes 8 false false R9.htm 2119100 - Disclosure - Inventories Sheet http://www.eagleus.com/role/Inventories Inventories Notes 9 false false R10.htm 2120100 - Disclosure - Property and Equipment, net Sheet http://www.eagleus.com/role/PropertyAndEquipmentNet Property and Equipment, net Notes 10 false false R11.htm 2122100 - Disclosure - Balance Sheet Accounts Sheet http://www.eagleus.com/role/BalanceSheetAccounts Balance Sheet Accounts Notes 11 false false R12.htm 2128100 - Disclosure - Debt Sheet http://www.eagleus.com/role/Debt Debt Notes 12 false false R13.htm 2131100 - Disclosure - Common Stock and Stock-Based Compensation Sheet http://www.eagleus.com/role/CommonStockAndStockBasedCompensation Common Stock and Stock-Based Compensation Notes 13 false false R14.htm 2138100 - Disclosure - Income Taxes Sheet http://www.eagleus.com/role/IncomeTaxes Income Taxes Notes 14 false false R15.htm 2140100 - Disclosure - License Agreements of Development and Commercialization Rights Sheet http://www.eagleus.com/role/LicenseAgreementsOfDevelopmentAndCommercializationRights License Agreements of Development and Commercialization Rights Notes 15 false false R16.htm 2146100 - Disclosure - Commitments Sheet http://www.eagleus.com/role/Commitments Commitments Notes 16 false false R17.htm 2149100 - Disclosure - Acquisitions Sheet http://www.eagleus.com/role/Acquisitions Acquisitions Notes 17 false false R18.htm 2150100 - Disclosure - Intangible Assets, Net Sheet http://www.eagleus.com/role/IntangibleAssetsNet Intangible Assets, Net Notes 18 false false R19.htm 2151100 - Disclosure - Legal Proceedings Sheet http://www.eagleus.com/role/LegalProceedings Legal Proceedings Notes 19 false false R20.htm 2152100 - Disclosure - Selected Quarterly Financial Data - Unaudited Sheet http://www.eagleus.com/role/SelectedQuarterlyFinancialDataUnaudited Selected Quarterly Financial Data - Unaudited Notes 20 false false R21.htm 2153100 - Disclosure - Restructuring Sheet http://www.eagleus.com/role/Restructuring Restructuring Notes 21 false false R22.htm 2154100 - Disclosure - Related Party Transaction Sheet http://www.eagleus.com/role/RelatedPartyTransaction Related Party Transaction Notes 22 false false R23.htm 2155100 - Disclosure - Subsequent Event Sheet http://www.eagleus.com/role/SubsequentEvent Subsequent Event Notes 23 false false R24.htm 2204201 - Disclosure - Summary of Significant Accounting Policies (Policies) Sheet http://www.eagleus.com/role/SummaryOfSignificantAccountingPoliciesPolicies Summary of Significant Accounting Policies (Policies) Policies http://www.eagleus.com/role/SummaryOfSignificantAccountingPolicies 24 false false R25.htm 2304302 - Disclosure - Summary of Significant Accounting Policies (Tables) Sheet http://www.eagleus.com/role/SummaryOfSignificantAccountingPoliciesTables Summary of Significant Accounting Policies (Tables) Tables http://www.eagleus.com/role/SummaryOfSignificantAccountingPolicies 25 false false R26.htm 2319301 - Disclosure - Inventories (Tables) Sheet http://www.eagleus.com/role/InventoriesTables Inventories (Tables) Tables http://www.eagleus.com/role/Inventories 26 false false R27.htm 2320301 - Disclosure - Property and Equipment, net (Tables) Sheet http://www.eagleus.com/role/PropertyAndEquipmentNetTables Property and Equipment, net (Tables) Tables http://www.eagleus.com/role/PropertyAndEquipmentNet 27 false false R28.htm 2322301 - Disclosure - Balance Sheet Accounts (Tables) Sheet http://www.eagleus.com/role/BalanceSheetAccountsTables Balance Sheet Accounts (Tables) Tables http://www.eagleus.com/role/BalanceSheetAccounts 28 false false R29.htm 2328301 - Disclosure - Debt (Tables) Sheet http://www.eagleus.com/role/DebtTables Debt (Tables) Tables http://www.eagleus.com/role/Debt 29 false false R30.htm 2331301 - Disclosure - Common Stock and Stock-Based Compensation (Tables) Sheet http://www.eagleus.com/role/CommonStockAndStockBasedCompensationTables Common Stock and Stock-Based Compensation (Tables) Tables http://www.eagleus.com/role/CommonStockAndStockBasedCompensation 30 false false R31.htm 2338301 - Disclosure - Income Taxes (Tables) Sheet http://www.eagleus.com/role/IncomeTaxesTables Income Taxes (Tables) Tables http://www.eagleus.com/role/IncomeTaxes 31 false false R32.htm 2346301 - Disclosure - Commitments (Tables) Sheet http://www.eagleus.com/role/CommitmentsTables Commitments (Tables) Tables http://www.eagleus.com/role/Commitments 32 false false R33.htm 2349301 - Disclosure - Acquisitions (Tables) Sheet http://www.eagleus.com/role/AcquisitionsTables Acquisitions (Tables) Tables http://www.eagleus.com/role/Acquisitions 33 false false R34.htm 2350301 - Disclosure - Intangible Assets, Net (Tables) Sheet http://www.eagleus.com/role/IntangibleAssetsNetTables Intangible Assets, Net (Tables) Tables http://www.eagleus.com/role/IntangibleAssetsNet 34 false false R35.htm 2352301 - Disclosure - Selected Quarterly Financial Data - Unaudited (Tables) Sheet http://www.eagleus.com/role/SelectedQuarterlyFinancialDataUnauditedTables Selected Quarterly Financial Data - Unaudited (Tables) Tables http://www.eagleus.com/role/SelectedQuarterlyFinancialDataUnaudited 35 false false R36.htm 2401401 - Disclosure - Organization and Business (Details) Sheet http://www.eagleus.com/role/OrganizationAndBusinessDetails Organization and Business (Details) Details http://www.eagleus.com/role/OrganizationAndBusiness 36 false false R37.htm 2404403 - Disclosure - Summary of Significant Accounting Policies - Narrative (Details) Sheet http://www.eagleus.com/role/SummaryOfSignificantAccountingPoliciesNarrativeDetails Summary of Significant Accounting Policies - Narrative (Details) Details 37 false false R38.htm 2404404 - Disclosure - Summary of Significant Accounting Policies - Major Customers as a Percentage (Details) Sheet http://www.eagleus.com/role/SummaryOfSignificantAccountingPoliciesMajorCustomersAsPercentageDetails Summary of Significant Accounting Policies - Major Customers as a Percentage (Details) Details 38 false false R39.htm 2404405 - Disclosure - Summary of Significant Accounting Policies - Common Shares Equivalents Outstanding (Details) Sheet http://www.eagleus.com/role/SummaryOfSignificantAccountingPoliciesCommonSharesEquivalentsOutstandingDetails Summary of Significant Accounting Policies - Common Shares Equivalents Outstanding (Details) Details 39 false false R40.htm 2404406 - Disclosure - Summary of Significant Accounting Policies - Schedule of Product Sales (Details) Sheet http://www.eagleus.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfProductSalesDetails Summary of Significant Accounting Policies - Schedule of Product Sales (Details) Details 40 false false R41.htm 2404407 - Disclosure - Summary of Significant Accounting Policies - Earnings Per Share (Details) Sheet http://www.eagleus.com/role/SummaryOfSignificantAccountingPoliciesEarningsPerShareDetails Summary of Significant Accounting Policies - Earnings Per Share (Details) Details 41 false false R42.htm 2419402 - Disclosure - Inventories (Details) Sheet http://www.eagleus.com/role/InventoriesDetails Inventories (Details) Details http://www.eagleus.com/role/InventoriesTables 42 false false R43.htm 2420402 - Disclosure - Property and Equipment, net (Details) Sheet http://www.eagleus.com/role/PropertyAndEquipmentNetDetails Property and Equipment, net (Details) Details http://www.eagleus.com/role/PropertyAndEquipmentNetTables 43 false false R44.htm 2422402 - Disclosure - Balance Sheet Accounts - Prepaid and Other Current Assets (Details) Sheet http://www.eagleus.com/role/BalanceSheetAccountsPrepaidAndOtherCurrentAssetsDetails Balance Sheet Accounts - Prepaid and Other Current Assets (Details) Details 44 false false R45.htm 2422403 - Disclosure - Balance Sheet Accounts - Accrued Expenses (Details) Sheet http://www.eagleus.com/role/BalanceSheetAccountsAccruedExpensesDetails Balance Sheet Accounts - Accrued Expenses (Details) Details 45 false false R46.htm 2422404 - Disclosure - Balance Sheet Accounts - Lease Related Disclosures (Details) Sheet http://www.eagleus.com/role/BalanceSheetAccountsLeaseRelatedDisclosuresDetails Balance Sheet Accounts - Lease Related Disclosures (Details) Details 46 false false R47.htm 2422405 - Disclosure - Balance Sheet Accounts - Future Minimum Lease Payments (Details) Sheet http://www.eagleus.com/role/BalanceSheetAccountsFutureMinimumLeasePaymentsDetails Balance Sheet Accounts - Future Minimum Lease Payments (Details) Details 47 false false R48.htm 2428402 - Disclosure - Debt (Details) Sheet http://www.eagleus.com/role/DebtDetails Debt (Details) Details http://www.eagleus.com/role/DebtTables 48 false false R49.htm 2428403 - Disclosure - Debt - Schedule of Debt Maturities (Details) Sheet http://www.eagleus.com/role/DebtScheduleOfDebtMaturitiesDetails Debt - Schedule of Debt Maturities (Details) Details 49 false false R50.htm 2431402 - Disclosure - Common Stock and Stock-Based Compensation - Narrative (Details) Sheet http://www.eagleus.com/role/CommonStockAndStockBasedCompensationNarrativeDetails Common Stock and Stock-Based Compensation - Narrative (Details) Details 50 false false R51.htm 2431403 - Disclosure - Common Stock and Stock-Based Compensation - Schedule of Common Stock Repurchase (Details) Sheet http://www.eagleus.com/role/CommonStockAndStockBasedCompensationScheduleOfCommonStockRepurchaseDetails Common Stock and Stock-Based Compensation - Schedule of Common Stock Repurchase (Details) Details 51 false false R52.htm 2431404 - Disclosure - Common Stock and Stock-Based Compensation - Fair Value of Share Options Granted (Details) Sheet http://www.eagleus.com/role/CommonStockAndStockBasedCompensationFairValueOfShareOptionsGrantedDetails Common Stock and Stock-Based Compensation - Fair Value of Share Options Granted (Details) Details 52 false false R53.htm 2431405 - Disclosure - Common Stock and Stock-Based Compensation - Share-based Compensation, Options (Details) Sheet http://www.eagleus.com/role/CommonStockAndStockBasedCompensationShareBasedCompensationOptionsDetails Common Stock and Stock-Based Compensation - Share-based Compensation, Options (Details) Details 53 false false R54.htm 2431406 - Disclosure - Common Stock and Stock-Based Compensation - Schedule of Restricted and Phantom Stock Unit Activity (Details) Sheet http://www.eagleus.com/role/CommonStockAndStockBasedCompensationScheduleOfRestrictedAndPhantomStockUnitActivityDetails Common Stock and Stock-Based Compensation - Schedule of Restricted and Phantom Stock Unit Activity (Details) Details 54 false false R55.htm 2431407 - Disclosure - Common Stock and Stock-Based Compensation - Schedule of Share-based Compensation Cost (Details) Sheet http://www.eagleus.com/role/CommonStockAndStockBasedCompensationScheduleOfShareBasedCompensationCostDetails Common Stock and Stock-Based Compensation - Schedule of Share-based Compensation Cost (Details) Details 55 false false R56.htm 2438402 - Disclosure - Income Taxes - Schedule of Income Tax (Benefit) Expense (Details) Sheet http://www.eagleus.com/role/IncomeTaxesScheduleOfIncomeTaxBenefitExpenseDetails Income Taxes - Schedule of Income Tax (Benefit) Expense (Details) Details 56 false false R57.htm 2438403 - Disclosure - Income Taxes - Reconciliation (Details) Sheet http://www.eagleus.com/role/IncomeTaxesReconciliationDetails Income Taxes - Reconciliation (Details) Details 57 false false R58.htm 2438404 - Disclosure - Income Taxes - Deferred Income Taxes (Details) Sheet http://www.eagleus.com/role/IncomeTaxesDeferredIncomeTaxesDetails Income Taxes - Deferred Income Taxes (Details) Details 58 false false R59.htm 2438405 - Disclosure - Income Taxes - Narrative (Details) Sheet http://www.eagleus.com/role/IncomeTaxesNarrativeDetails Income Taxes - Narrative (Details) Details 59 false false R60.htm 2440401 - Disclosure - License Agreements of Development and Commercialization Rights (Details) Sheet http://www.eagleus.com/role/LicenseAgreementsOfDevelopmentAndCommercializationRightsDetails License Agreements of Development and Commercialization Rights (Details) Details http://www.eagleus.com/role/LicenseAgreementsOfDevelopmentAndCommercializationRights 60 false false R61.htm 2446402 - Disclosure - Commitments - Future Minimum Lease Payments (Details) Sheet http://www.eagleus.com/role/CommitmentsFutureMinimumLeasePaymentsDetails Commitments - Future Minimum Lease Payments (Details) Details 61 false false R62.htm 2449402 - Disclosure - Acquisitions - Narrative (Details) Sheet http://www.eagleus.com/role/AcquisitionsNarrativeDetails Acquisitions - Narrative (Details) Details 62 false false R63.htm 2449403 - Disclosure - Acquisitions - Schedule of Contingent Consideration Fair Value, Docetaxel (Details) Sheet http://www.eagleus.com/role/AcquisitionsScheduleOfContingentConsiderationFairValueDocetaxelDetails Acquisitions - Schedule of Contingent Consideration Fair Value, Docetaxel (Details) Details 63 false false R64.htm 2449404 - Disclosure - Acquisitions - Schedule of Consideration Transferred, Biologics (Details) Sheet http://www.eagleus.com/role/AcquisitionsScheduleOfConsiderationTransferredBiologicsDetails Acquisitions - Schedule of Consideration Transferred, Biologics (Details) Details 64 false false R65.htm 2449405 - Disclosure - Acquisitions - Schedule of Contingent Consideration, Biologic (Details) Sheet http://www.eagleus.com/role/AcquisitionsScheduleOfContingentConsiderationBiologicDetails Acquisitions - Schedule of Contingent Consideration, Biologic (Details) Details 65 false false R66.htm 2450402 - Disclosure - Intangible Assets, Net - Schedule of Intangible Assets (Details) Sheet http://www.eagleus.com/role/IntangibleAssetsNetScheduleOfIntangibleAssetsDetails Intangible Assets, Net - Schedule of Intangible Assets (Details) Details 66 false false R67.htm 2450403 - Disclosure - Intangible Assets, Net - Narrative (Details) Sheet http://www.eagleus.com/role/IntangibleAssetsNetNarrativeDetails Intangible Assets, Net - Narrative (Details) Details 67 false false R68.htm 2450404 - Disclosure - Intangible Assets, Net - Schedule of Future Amortization Expense (Details) Sheet http://www.eagleus.com/role/IntangibleAssetsNetScheduleOfFutureAmortizationExpenseDetails Intangible Assets, Net - Schedule of Future Amortization Expense (Details) Details 68 false false R69.htm 2452402 - Disclosure - Selected Quarterly Financial Data - Unaudited (Details) Sheet http://www.eagleus.com/role/SelectedQuarterlyFinancialDataUnauditedDetails Selected Quarterly Financial Data - Unaudited (Details) Details http://www.eagleus.com/role/SelectedQuarterlyFinancialDataUnauditedTables 69 false false R70.htm 2453401 - Disclosure - Restructuring - Narrative (Details) Sheet http://www.eagleus.com/role/RestructuringNarrativeDetails Restructuring - Narrative (Details) Details 70 false false R71.htm 2454401 - Disclosure - Related Party Transaction (Details) Sheet http://www.eagleus.com/role/RelatedPartyTransactionDetails Related Party Transaction (Details) Details http://www.eagleus.com/role/RelatedPartyTransaction 71 false false R72.htm 2455401 - Disclosure - Subsequent Event (Details) Sheet http://www.eagleus.com/role/SubsequentEventDetails Subsequent Event (Details) Details http://www.eagleus.com/role/SubsequentEvent 72 false false All Reports Book All Reports egrx10k2019.htm egrx-20191231.xsd egrx-20191231_cal.xml egrx-20191231_def.xml egrx-20191231_lab.xml egrx-20191231_pre.xml exhibit1032fifthamendm.htm exhibit1034lily-eaglep.htm exhibit1035-tymexeagle.htm exhibit21110k2019.htm exhibit23110k2019.htm exhibit31110k2019.htm exhibit31210k2019.htm exhibit32110k2019.htm exhibit43-descriptiono.htm chart-12d78d31ea5053ce94c.jpg http://xbrl.sec.gov/dei/2019-01-31 http://fasb.org/srt/2019-01-31 http://xbrl.sec.gov/country/2017-01-31 http://fasb.org/us-gaap/2019-01-31 true true