2.4.0.6 Html 319 414 1 true 89 0 false 11 false false R1.htm 00090 - Document - Document and Entity Information Sheet http://www.depomed.com/role/DocumentDocumentAndEntityInformation Document and Entity Information true false R2.htm 00100 - Statement - Balance Sheets Sheet http://www.depomed.com/role/StatementBalanceSheets Balance Sheets false false R3.htm 00105 - Statement - Balance Sheets (Parenthetical) Sheet http://www.depomed.com/role/StatementBalanceSheetsParenthetical Balance Sheets (Parenthetical) false false R4.htm 00200 - Statement - Statements Of Operations and Comprehensive Income Sheet http://www.depomed.com/role/StatementStatementsOfOperationsAndComprehensiveIncome Statements Of Operations and Comprehensive Income false false R5.htm 00300 - Statement - Statement Of Shareholders' Equity Sheet http://www.depomed.com/role/StatementStatementOfShareholdersEquity Statement Of Shareholders' Equity false false R6.htm 00400 - Statement - Statements Of Cash Flows Sheet http://www.depomed.com/role/StatementStatementsOfCashFlows Statements Of Cash Flows false false R7.htm 10101 - Disclosure - Organization And Summary Of Significant Accounting Policies Sheet http://www.depomed.com/role/DisclosureOrganizationAndSummaryOfSignificantAccountingPolicies Organization And Summary Of Significant Accounting Policies false false R8.htm 10201 - Disclosure - License And Collaborative Arrangements Sheet http://www.depomed.com/role/DisclosureLicenseAndCollaborativeArrangements License And Collaborative Arrangements false false R9.htm 10301 - Disclosure - Marketable Securities Sheet http://www.depomed.com/role/DisclosureMarketableSecurities Marketable Securities false false R10.htm 10401 - Disclosure - 500mg Glumetza Recall Sheet http://www.depomed.com/role/Disclosure500mgGlumetzaRecall 500mg Glumetza Recall false false R11.htm 10501 - Disclosure - Inventories Sheet http://www.depomed.com/role/DisclosureInventories Inventories false false R12.htm 10601 - Disclosure - Property And Equipment Sheet http://www.depomed.com/role/DisclosurePropertyAndEquipment Property And Equipment false false R13.htm 10701 - Disclosure - Accounts Payable And Accrued Liabilities Sheet http://www.depomed.com/role/DisclosureAccountsPayableAndAccruedLiabilities Accounts Payable And Accrued Liabilities false false R14.htm 10801 - Disclosure - Deferred Revenue Sheet http://www.depomed.com/role/DisclosureDeferredRevenue Deferred Revenue false false R15.htm 10901 - Disclosure - Long-Term Debt Sheet http://www.depomed.com/role/DisclosureLongTermDebt Long-Term Debt false false R16.htm 11001 - Disclosure - Commitments And Contingencies Sheet http://www.depomed.com/role/DisclosureCommitmentsAndContingencies Commitments And Contingencies false false R17.htm 11101 - Disclosure - Stock-Based Compensation Sheet http://www.depomed.com/role/DisclosureStockBasedCompensation Stock-Based Compensation false false R18.htm 11201 - Disclosure - Shareholders' Equity Sheet http://www.depomed.com/role/DisclosureShareholdersEquity Shareholders' Equity false false R19.htm 11301 - Disclosure - Related Party Transactions Sheet http://www.depomed.com/role/DisclosureRelatedPartyTransactions Related Party Transactions false false R20.htm 11401 - Disclosure - Qualifying Therapeutic Discovery Project Sheet http://www.depomed.com/role/DisclosureQualifyingTherapeuticDiscoveryProject Qualifying Therapeutic Discovery Project false false R21.htm 11501 - Disclosure - Income Taxes Sheet http://www.depomed.com/role/DisclosureIncomeTaxes Income Taxes false false R22.htm 11601 - Disclosure - Summarized Quarterly Data Sheet http://www.depomed.com/role/DisclosureSummarizedQuarterlyData Summarized Quarterly Data false false R23.htm 11701 - Disclosure - Business Combinations Sheet http://www.depomed.com/role/DisclosureBusinessCombinations Business Combinations false false R24.htm 11801 - Disclosure - Subsequent Events Sheet http://www.depomed.com/role/DisclosureSubsequentEvents Subsequent Events false false R25.htm 11901 - Disclosure - Valuation And Qualifying Accounts Sheet http://www.depomed.com/role/DisclosureValuationAndQualifyingAccounts Valuation And Qualifying Accounts false false R26.htm 20102 - Disclosure - Organization And Summary Of Significant Accounting Policies (Policy) Sheet http://www.depomed.com/role/DisclosureOrganizationAndSummaryOfSignificantAccountingPoliciesPolicy Organization And Summary Of Significant Accounting Policies (Policy) false false R27.htm 30103 - Disclosure - Organization And Summary Of Significant Accounting Policies (Tables) Sheet http://www.depomed.com/role/DisclosureOrganizationAndSummaryOfSignificantAccountingPoliciesTables Organization And Summary Of Significant Accounting Policies (Tables) false false R28.htm 30303 - Disclosure - Marketable Securities (Tables) Sheet http://www.depomed.com/role/DisclosureMarketableSecuritiesTables Marketable Securities (Tables) false false R29.htm 30503 - Disclosure - Inventories (Tables) Sheet http://www.depomed.com/role/DisclosureInventoriesTables Inventories (Tables) false false R30.htm 30603 - Disclosure - Property And Equipment (Tables) Sheet http://www.depomed.com/role/DisclosurePropertyAndEquipmentTables Property And Equipment (Tables) false false R31.htm 30703 - Disclosure - Accounts Payable And Accrued Liabilities (Tables) Sheet http://www.depomed.com/role/DisclosureAccountsPayableAndAccruedLiabilitiesTables Accounts Payable And Accrued Liabilities (Tables) false false R32.htm 30803 - Disclosure - Deferred Revenue (Tables) Sheet http://www.depomed.com/role/DisclosureDeferredRevenueTables Deferred Revenue (Tables) false false R33.htm 31003 - Disclosure - Commitments And Contingencies (Tables) Sheet http://www.depomed.com/role/DisclosureCommitmentsAndContingenciesTables Commitments And Contingencies (Tables) false false R34.htm 31103 - Disclosure - Stock-Based Compensation (Tables) Sheet http://www.depomed.com/role/DisclosureStockBasedCompensationTables Stock-Based Compensation (Tables) false false R35.htm 31503 - Disclosure - Income Taxes (Tables) Sheet http://www.depomed.com/role/DisclosureIncomeTaxesTables Income Taxes (Tables) false false R36.htm 31603 - Disclosure - Summarized Quarterly Data (Tables) Sheet http://www.depomed.com/role/DisclosureSummarizedQuarterlyDataTables Summarized Quarterly Data (Tables) false false R37.htm 31703 - Disclosure - Business Combinations (Tables) Sheet http://www.depomed.com/role/DisclosureBusinessCombinationsTables Business Combinations (Tables) false false R38.htm 40101 - Disclosure - Organization And Summary Of Significant Accounting Policies (Narrative) (Details) Sheet http://www.depomed.com/role/DisclosureOrganizationAndSummaryOfSignificantAccountingPoliciesNarrativeDetails Organization And Summary Of Significant Accounting Policies (Narrative) (Details) false false R39.htm 40102 - Disclosure - Organization And Summary Of Significant Accounting Policies (Schedule Of Basic And Diluted Earnings Per Share) (Details) Sheet http://www.depomed.com/role/DisclosureOrganizationAndSummaryOfSignificantAccountingPoliciesScheduleOfBasicAndDilutedEarningsPerShareDetails Organization And Summary Of Significant Accounting Policies (Schedule Of Basic And Diluted Earnings Per Share) (Details) false false R40.htm 40201 - Disclosure - License And Other arrangements (Details) Sheet http://www.depomed.com/role/DisclosureLicenseAndOtherArrangementsDetails License And Other arrangements (Details) false false R41.htm 40301 - Disclosure - Marketable Securities (Summary Of Cash, Cash Equivalents, And Marketable Securities) (Details) Sheet http://www.depomed.com/role/DisclosureMarketableSecuritiesSummaryOfCashCashEquivalentsAndMarketableSecuritiesDetails Marketable Securities (Summary Of Cash, Cash Equivalents, And Marketable Securities) (Details) false false R42.htm 40302 - Disclosure - Marketable Securities (Schedule Of Gross Unrealized Losses And Fair Values Of Investments) (Details) Sheet http://www.depomed.com/role/DisclosureMarketableSecuritiesScheduleOfGrossUnrealizedLossesAndFairValuesOfInvestmentsDetails Marketable Securities (Schedule Of Gross Unrealized Losses And Fair Values Of Investments) (Details) false false R43.htm 40303 - Disclosure - Marketable Securities (Schedule Of Financial Assets Measured At Fair Value On A Recurring Basis) (Details) Sheet http://www.depomed.com/role/DisclosureMarketableSecuritiesScheduleOfFinancialAssetsMeasuredAtFairValueOnRecurringBasisDetails Marketable Securities (Schedule Of Financial Assets Measured At Fair Value On A Recurring Basis) (Details) false false R44.htm 40401 - Disclosure - 500mg Glumetza Recall (Details) Sheet http://www.depomed.com/role/Disclosure500mgGlumetzaRecallDetails 500mg Glumetza Recall (Details) false false R45.htm 40501 - Disclosure - Inventories (Details) Sheet http://www.depomed.com/role/DisclosureInventoriesDetails Inventories (Details) false false R46.htm 40601 - Disclosure - Property And Equipment (Details) Sheet http://www.depomed.com/role/DisclosurePropertyAndEquipmentDetails Property And Equipment (Details) false false R47.htm 40701 - Disclosure - Accounts Payable And Accrued Liabilities (Details) Sheet http://www.depomed.com/role/DisclosureAccountsPayableAndAccruedLiabilitiesDetails Accounts Payable And Accrued Liabilities (Details) false false R48.htm 40801 - Disclosure - Deferred Revenue (Narrative) (Details) Sheet http://www.depomed.com/role/DisclosureDeferredRevenueNarrativeDetails Deferred Revenue (Narrative) (Details) false false R49.htm 40802 - Disclosure - Deferred Revenue (Schedule Of Deferred Revenue) (Details) Sheet http://www.depomed.com/role/DisclosureDeferredRevenueScheduleOfDeferredRevenueDetails Deferred Revenue (Schedule Of Deferred Revenue) (Details) false false R50.htm 40901 - Disclosure - Long-Term Debt (Details) Sheet http://www.depomed.com/role/DisclosureLongTermDebtDetails Long-Term Debt (Details) false false R51.htm 41001 - Disclosure - Commitments And Contingencies (Narrative) (Details) Sheet http://www.depomed.com/role/DisclosureCommitmentsAndContingenciesNarrativeDetails Commitments And Contingencies (Narrative) (Details) false false R52.htm 41002 - Disclosure - Commitments And Contingencies (Schedule Of Future Minimum Payments Under Operating Leases) (Details) Sheet http://www.depomed.com/role/DisclosureCommitmentsAndContingenciesScheduleOfFutureMinimumPaymentsUnderOperatingLeasesDetails Commitments And Contingencies (Schedule Of Future Minimum Payments Under Operating Leases) (Details) false false R53.htm 41101 - Disclosure - Stock-Based Compensation (Narrative) (Details) Sheet http://www.depomed.com/role/DisclosureStockBasedCompensationNarrativeDetails Stock-Based Compensation (Narrative) (Details) false false R54.htm 41102 - Disclosure - Stock-Based Compensation (Schedule Of Stock Options Valuation Assumptions) (Details) Sheet http://www.depomed.com/role/DisclosureStockBasedCompensationScheduleOfStockOptionsValuationAssumptionsDetails Stock-Based Compensation (Schedule Of Stock Options Valuation Assumptions) (Details) false false R55.htm 41103 - Disclosure - Stock-Based Compensation (Schedule Of Stock Based Compensation Expense Recognized) (Details) Sheet http://www.depomed.com/role/DisclosureStockBasedCompensationScheduleOfStockBasedCompensationExpenseRecognizedDetails Stock-Based Compensation (Schedule Of Stock Based Compensation Expense Recognized) (Details) false false R56.htm 41104 - Disclosure - Stock-Based Compensation (Schedule Of Stock Based Compensation, Stock Option Activity) (Details) Sheet http://www.depomed.com/role/DisclosureStockBasedCompensationScheduleOfStockBasedCompensationStockOptionActivityDetails Stock-Based Compensation (Schedule Of Stock Based Compensation, Stock Option Activity) (Details) false false R57.htm 41105 - Disclosure - Stock-Based Compensation (Schedule Of Stock Based Compensation, Stock Options Outsdanting And Exercisable) (Details) Sheet http://www.depomed.com/role/DisclosureStockBasedCompensationScheduleOfStockBasedCompensationStockOptionsOutsdantingAndExercisableDetails Stock-Based Compensation (Schedule Of Stock Based Compensation, Stock Options Outsdanting And Exercisable) (Details) false false R58.htm 41106 - Disclosure - Stock-Based Compensation (Schedule Of Stock Based Compensation, Stock Options Outstanding By Exercise Price Range) (Details) Sheet http://www.depomed.com/role/DisclosureStockBasedCompensationScheduleOfStockBasedCompensationStockOptionsOutstandingByExercisePriceRangeDetails Stock-Based Compensation (Schedule Of Stock Based Compensation, Stock Options Outstanding By Exercise Price Range) (Details) false false R59.htm 41107 - Disclosure - Stock-Based Compensation (Schedule Of Stock Based Compensation, Restricted Stock Units Award Activity) (Details) Sheet http://www.depomed.com/role/DisclosureStockBasedCompensationScheduleOfStockBasedCompensationRestrictedStockUnitsAwardActivityDetails Stock-Based Compensation (Schedule Of Stock Based Compensation, Restricted Stock Units Award Activity) (Details) false false R60.htm 41201 - Disclosure - Shareholders' Equity (Details) Sheet http://www.depomed.com/role/DisclosureShareholdersEquityDetails Shareholders' Equity (Details) false false R61.htm 41301 - Disclosure - Related Party Transactions (Details) Sheet http://www.depomed.com/role/DisclosureRelatedPartyTransactionsDetails Related Party Transactions (Details) false false R62.htm 41401 - Disclosure - Qualifying Therapeutic Discovery Project (Details) Sheet http://www.depomed.com/role/DisclosureQualifyingTherapeuticDiscoveryProjectDetails Qualifying Therapeutic Discovery Project (Details) false false R63.htm 41501 - Disclosure - Income Taxes (Details) Sheet http://www.depomed.com/role/DisclosureIncomeTaxesDetails Income Taxes (Details) false false R64.htm 41502 - Disclosure - Income Taxes (Schedule Of Provision For Income Taxes) (Details) Sheet http://www.depomed.com/role/DisclosureIncomeTaxesScheduleOfProvisionForIncomeTaxesDetails Income Taxes (Schedule Of Provision For Income Taxes) (Details) false false R65.htm 41503 - Disclosure - Income Taxes (Schedule Of Reconciliation Of Income Taxes At Statutory Federal Income Tax Rate) (Details) Sheet http://www.depomed.com/role/DisclosureIncomeTaxesScheduleOfReconciliationOfIncomeTaxesAtStatutoryFederalIncomeTaxRateDetails Income Taxes (Schedule Of Reconciliation Of Income Taxes At Statutory Federal Income Tax Rate) (Details) false false R66.htm 41504 - Disclosure - Income Taxes (Schedule Of Deferred Tax Assets) (Details) Sheet http://www.depomed.com/role/DisclosureIncomeTaxesScheduleOfDeferredTaxAssetsDetails Income Taxes (Schedule Of Deferred Tax Assets) (Details) false false R67.htm 41506 - Disclosure - Income Taxes (Schedule Of Unrecognized Tax Benefits) (Details) Sheet http://www.depomed.com/role/DisclosureIncomeTaxesScheduleOfUnrecognizedTaxBenefitsDetails Income Taxes (Schedule Of Unrecognized Tax Benefits) (Details) false false R68.htm 41601 - Disclosure - Summarized Quarterly Data (Schedule Of Quarterly Financial Information) (Details) Sheet http://www.depomed.com/role/DisclosureSummarizedQuarterlyDataScheduleOfQuarterlyFinancialInformationDetails Summarized Quarterly Data (Schedule Of Quarterly Financial Information) (Details) false false R69.htm 41701 - Disclosure - Business Combinations (Narrative) (Details) Sheet http://www.depomed.com/role/DisclosureBusinessCombinationsNarrativeDetails Business Combinations (Narrative) (Details) false false R70.htm 41702 - Disclosure - Business Combinations (Schedule Of Allocation Of The Purchase Price For Acquisition) (Details) Sheet http://www.depomed.com/role/DisclosureBusinessCombinationsScheduleOfAllocationOfPurchasePriceForAcquisitionDetails Business Combinations (Schedule Of Allocation Of The Purchase Price For Acquisition) (Details) false false R71.htm 41703 - Disclosure - Business Combinations (Schedule Of Allocation Of The Purchase Price For Acquisition - Fair Value) (Details) Sheet http://www.depomed.com/role/DisclosureBusinessCombinationsScheduleOfAllocationOfPurchasePriceForAcquisitionFairValueDetails Business Combinations (Schedule Of Allocation Of The Purchase Price For Acquisition - Fair Value) (Details) false false R72.htm 41901 - Disclosure - Valuation And Qualifying Accounts (Details) Sheet http://www.depomed.com/role/DisclosureValuationAndQualifyingAccountsDetails Valuation And Qualifying Accounts (Details) false false All Reports Book All Reports Element us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid had a mix of decimals attribute values: -5 -3. Element us-gaap_DeferredRevenue had a mix of decimals attribute values: -5 -3. Element us-gaap_GainLossOnContractTermination had a mix of decimals attribute values: -5 -3. Element us-gaap_LicenseAndServicesRevenue had a mix of decimals attribute values: -5 -3. Element us-gaap_RoyaltyRevenue had a mix of decimals attribute values: -5 -3 0. Element us-gaap_ShareBasedCompensation had a mix of decimals attribute values: -5 -3. Element us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum had a mix of decimals attribute values: 3 4. Element us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum had a mix of decimals attribute values: 3 4. 'Monetary' elements on report '40101 - Disclosure - Organization And Summary Of Significant Accounting Policies (Narrative) (Details)' had a mix of different decimal attribute values. 'Monetary' elements on report '40201 - Disclosure - License And Other arrangements (Details)' had a mix of different decimal attribute values. 'Monetary' elements on report '40501 - Disclosure - Inventories (Details)' had a mix of different decimal attribute values. 'Monetary' elements on report '40601 - Disclosure - Property And Equipment (Details)' had a mix of different decimal attribute values. 'Monetary' elements on report '40801 - Disclosure - Deferred Revenue (Narrative) (Details)' had a mix of different decimal attribute values. 'Monetary' elements on report '41001 - Disclosure - Commitments And Contingencies (Narrative) (Details)' had a mix of different decimal attribute values. 'Monetary' elements on report '41101 - Disclosure - Stock-Based Compensation (Narrative) (Details)' had a mix of different decimal attribute values. 'Monetary' elements on report '41201 - Disclosure - Shareholders' Equity (Details)' had a mix of different decimal attribute values. 'Monetary' elements on report '41501 - Disclosure - Income Taxes (Details)' had a mix of different decimal attribute values. 'Monetary' elements on report '41701 - Disclosure - Business Combinations (Narrative) (Details)' had a mix of different decimal attribute values. 'Monetary' elements on report '41703 - Disclosure - Business Combinations (Schedule Of Allocation Of The Purchase Price For Acquisition - Fair Value) (Details)' had a mix of different decimal attribute values. Process Flow-Through: 00100 - Statement - Balance Sheets Process Flow-Through: Removing column 'Dec. 31, 2010' Process Flow-Through: Removing column 'Dec. 31, 2009' Process Flow-Through: 00105 - Statement - Balance Sheets (Parenthetical) Process Flow-Through: 00200 - Statement - Statements Of Operations and Comprehensive Income 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: 00400 - Statement - Statements Of Cash Flows depo-20121231.xml depo-20121231.xsd depo-20121231_cal.xml depo-20121231_def.xml depo-20121231_lab.xml depo-20121231_pre.xml true true