3.19.3.a.u2 html 232 461 1 false 88 0 false 7 false false R1.htm 00090 - Document - Document and Entity Information Sheet http://www.mobileiron.com/role/DocumentDocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 00100 - Statement - CONSOLIDATED BALANCE SHEETS Sheet http://www.mobileiron.com/role/StatementConsolidatedBalanceSheets CONSOLIDATED BALANCE SHEETS Statements 2 false false R3.htm 00105 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) Sheet http://www.mobileiron.com/role/StatementConsolidatedBalanceSheetsParenthetical CONSOLIDATED BALANCE SHEETS (Parenthetical) Statements 3 false false R4.htm 00200 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS Sheet http://www.mobileiron.com/role/StatementConsolidatedStatementsOfOperations CONSOLIDATED STATEMENTS OF OPERATIONS Statements 4 false false R5.htm 00300 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY Sheet http://www.mobileiron.com/role/StatementConsolidatedStatementsOfStockholdersEquity CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY Statements 5 false false R6.htm 00400 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS Sheet http://www.mobileiron.com/role/StatementConsolidatedStatementsOfCashFlows CONSOLIDATED STATEMENTS OF CASH FLOWS Statements 6 false false R7.htm 10101 - Disclosure - Description of Business and Significant Accounting Policies Sheet http://www.mobileiron.com/role/DisclosureDescriptionOfBusinessAndSignificantAccountingPolicies Description of Business and Significant Accounting Policies Notes 7 false false R8.htm 10201 - Disclosure - Significant Balance Sheet Components Sheet http://www.mobileiron.com/role/DisclosureSignificantBalanceSheetComponents Significant Balance Sheet Components Notes 8 false false R9.htm 10301 - Disclosure - Fair Value Measurement Sheet http://www.mobileiron.com/role/DisclosureFairValueMeasurement Fair Value Measurement Notes 9 false false R10.htm 10401 - Disclosure - Investments Sheet http://www.mobileiron.com/role/DisclosureInvestments Investments Notes 10 false false R11.htm 10501 - Disclosure - Goodwill and Intangibles Sheet http://www.mobileiron.com/role/DisclosureGoodwillAndIntangibles Goodwill and Intangibles Notes 11 false false R12.htm 10601 - Disclosure - Restructuring Expense Sheet http://www.mobileiron.com/role/DisclosureRestructuringExpense Restructuring Expense Notes 12 false false R13.htm 10701 - Disclosure - Line of Credit Sheet http://www.mobileiron.com/role/DisclosureLineOfCredit Line of Credit Notes 13 false false R14.htm 10801 - Disclosure - Preferred Stock Sheet http://www.mobileiron.com/role/DisclosurePreferredStock Preferred Stock Notes 14 false false R15.htm 10901 - Disclosure - Common Stock Sheet http://www.mobileiron.com/role/DisclosureCommonStock Common Stock Notes 15 false false R16.htm 11001 - Disclosure - Share Based Awards Sheet http://www.mobileiron.com/role/DisclosureShareBasedAwards Share Based Awards Notes 16 false false R17.htm 11101 - Disclosure - Employee Benefit Plan Sheet http://www.mobileiron.com/role/DisclosureEmployeeBenefitPlan Employee Benefit Plan Notes 17 false false R18.htm 11201 - Disclosure - Commitments and Contingencies Sheet http://www.mobileiron.com/role/DisclosureCommitmentsAndContingencies Commitments and Contingencies Notes 18 false false R19.htm 11301 - Disclosure - Leases Sheet http://www.mobileiron.com/role/DisclosureLeases Leases Notes 19 false false R20.htm 11401 - Disclosure - Unearned Revenue Sheet http://www.mobileiron.com/role/DisclosureUnearnedRevenue Unearned Revenue Notes 20 false false R21.htm 11501 - Disclosure - Segment and Disaggregated Revenue Information Sheet http://www.mobileiron.com/role/DisclosureSegmentAndDisaggregatedRevenueInformation Segment and Disaggregated Revenue Information Notes 21 false false R22.htm 11601 - Disclosure - Net Loss per Share Sheet http://www.mobileiron.com/role/DisclosureNetLossPerShare Net Loss per Share Notes 22 false false R23.htm 11701 - Disclosure - Income Taxes Sheet http://www.mobileiron.com/role/DisclosureIncomeTaxes Income Taxes Notes 23 false false R24.htm 20102 - Disclosure - Description of Business and Significant Accounting Policies (Policies) Sheet http://www.mobileiron.com/role/DisclosureDescriptionOfBusinessAndSignificantAccountingPoliciesPolicies Description of Business and Significant Accounting Policies (Policies) Policies http://www.mobileiron.com/role/DisclosureDescriptionOfBusinessAndSignificantAccountingPolicies 24 false false R25.htm 30103 - Disclosure - Description of Business and Significant Accounting Policies (Tables) Sheet http://www.mobileiron.com/role/DisclosureDescriptionOfBusinessAndSignificantAccountingPoliciesTables Description of Business and Significant Accounting Policies (Tables) Tables http://www.mobileiron.com/role/DisclosureDescriptionOfBusinessAndSignificantAccountingPolicies 25 false false R26.htm 30203 - Disclosure - Significant Balance Sheet Components (Tables) Sheet http://www.mobileiron.com/role/DisclosureSignificantBalanceSheetComponentsTables Significant Balance Sheet Components (Tables) Tables http://www.mobileiron.com/role/DisclosureSignificantBalanceSheetComponents 26 false false R27.htm 30303 - Disclosure - Fair Value Measurement (Tables) Sheet http://www.mobileiron.com/role/DisclosureFairValueMeasurementTables Fair Value Measurement (Tables) Tables http://www.mobileiron.com/role/DisclosureFairValueMeasurement 27 false false R28.htm 30403 - Disclosure - Investments (Tables) Sheet http://www.mobileiron.com/role/DisclosureInvestmentsTables Investments (Tables) Tables http://www.mobileiron.com/role/DisclosureInvestments 28 false false R29.htm 30603 - Disclosure - Restructuring Expense (Tables) Sheet http://www.mobileiron.com/role/DisclosureRestructuringExpenseTables Restructuring Expense (Tables) Tables http://www.mobileiron.com/role/DisclosureRestructuringExpense 29 false false R30.htm 30903 - Disclosure - Common Stock (Tables) Sheet http://www.mobileiron.com/role/DisclosureCommonStockTables Common Stock (Tables) Tables http://www.mobileiron.com/role/DisclosureCommonStock 30 false false R31.htm 31003 - Disclosure - Share Based Awards (Tables) Sheet http://www.mobileiron.com/role/DisclosureShareBasedAwardsTables Share Based Awards (Tables) Tables http://www.mobileiron.com/role/DisclosureShareBasedAwards 31 false false R32.htm 31303 - Disclosure - Leases (Tables) Sheet http://www.mobileiron.com/role/DisclosureLeasesTables Leases (Tables) Tables http://www.mobileiron.com/role/DisclosureLeases 32 false false R33.htm 31403 - Disclosure - Unearned Revenue (Tables) Sheet http://www.mobileiron.com/role/DisclosureUnearnedRevenueTables Unearned Revenue (Tables) Tables http://www.mobileiron.com/role/DisclosureUnearnedRevenue 33 false false R34.htm 31503 - Disclosure - Segment and Disaggregated Revenue Information (Tables) Sheet http://www.mobileiron.com/role/DisclosureSegmentAndDisaggregatedRevenueInformationTables Segment and Disaggregated Revenue Information (Tables) Tables http://www.mobileiron.com/role/DisclosureSegmentAndDisaggregatedRevenueInformation 34 false false R35.htm 31603 - Disclosure - Net Loss per Share (Tables) Sheet http://www.mobileiron.com/role/DisclosureNetLossPerShareTables Net Loss per Share (Tables) Tables http://www.mobileiron.com/role/DisclosureNetLossPerShare 35 false false R36.htm 31703 - Disclosure - Income Taxes (Tables) Sheet http://www.mobileiron.com/role/DisclosureIncomeTaxesTables Income Taxes (Tables) Tables http://www.mobileiron.com/role/DisclosureIncomeTaxes 36 false false R37.htm 40101 - Disclosure - Description of Business and Significant Accounting Policies (Details) Sheet http://www.mobileiron.com/role/DisclosureDescriptionOfBusinessAndSignificantAccountingPoliciesDetails Description of Business and Significant Accounting Policies (Details) Details http://www.mobileiron.com/role/DisclosureDescriptionOfBusinessAndSignificantAccountingPoliciesTables 37 false false R38.htm 40102 - Disclosure - Description of Business and Significant Accounting Policies - Revenue Recognition (Details) Sheet http://www.mobileiron.com/role/DisclosureDescriptionOfBusinessAndSignificantAccountingPoliciesRevenueRecognitionDetails Description of Business and Significant Accounting Policies - Revenue Recognition (Details) Details 38 false false R39.htm 40103 - Disclosure - Description of Business and Significant Accounting Policies - Others (Details) Sheet http://www.mobileiron.com/role/DisclosureDescriptionOfBusinessAndSignificantAccountingPoliciesOthersDetails Description of Business and Significant Accounting Policies - Others (Details) Details http://www.mobileiron.com/role/DisclosureDescriptionOfBusinessAndSignificantAccountingPoliciesTables 39 false false R40.htm 40201 - Disclosure - Significant Balance Sheet Components - Accounts Receivable, Net and Prepaid Expenses and Other Current Assets and Other Assets (Details) Sheet http://www.mobileiron.com/role/DisclosureSignificantBalanceSheetComponentsAccountsReceivableNetAndPrepaidExpensesAndOtherCurrentAssetsAndOtherAssetsDetails Significant Balance Sheet Components - Accounts Receivable, Net and Prepaid Expenses and Other Current Assets and Other Assets (Details) Details 40 false false R41.htm 40202 - Disclosure - Significant Balance Sheet Components - Property and Equipment (Details) Sheet http://www.mobileiron.com/role/DisclosureSignificantBalanceSheetComponentsPropertyAndEquipmentDetails Significant Balance Sheet Components - Property and Equipment (Details) Details 41 false false R42.htm 40203 - Disclosure - Significant Balance Sheet Components - Accrued Expenses (Details) Sheet http://www.mobileiron.com/role/DisclosureSignificantBalanceSheetComponentsAccruedExpensesDetails Significant Balance Sheet Components - Accrued Expenses (Details) Details 42 false false R43.htm 40301 - Disclosure - Fair Value Measurement (Details) Sheet http://www.mobileiron.com/role/DisclosureFairValueMeasurementDetails Fair Value Measurement (Details) Details http://www.mobileiron.com/role/DisclosureFairValueMeasurementTables 43 false false R44.htm 40401 - Disclosure - Investments - Investments in fixed income securities (Details) Sheet http://www.mobileiron.com/role/DisclosureInvestmentsInvestmentsInFixedIncomeSecuritiesDetails Investments - Investments in fixed income securities (Details) Details 44 false false R45.htm 40402 - Disclosure - Investments - Balance sheet classification of investments (Details) Sheet http://www.mobileiron.com/role/DisclosureInvestmentsBalanceSheetClassificationOfInvestmentsDetails Investments - Balance sheet classification of investments (Details) Details 45 false false R46.htm 40403 - Disclosure - Investments - Gross amortized cost and estimated fair value by contractual maturity (Details) Sheet http://www.mobileiron.com/role/DisclosureInvestmentsGrossAmortizedCostAndEstimatedFairValueByContractualMaturityDetails Investments - Gross amortized cost and estimated fair value by contractual maturity (Details) Details 46 false false R47.htm 40501 - Disclosure - Goodwill and Intangibles (Details) Sheet http://www.mobileiron.com/role/DisclosureGoodwillAndIntangiblesDetails Goodwill and Intangibles (Details) Details http://www.mobileiron.com/role/DisclosureGoodwillAndIntangibles 47 false false R48.htm 40601 - Disclosure - Restructuring Expense (Details) Sheet http://www.mobileiron.com/role/DisclosureRestructuringExpenseDetails Restructuring Expense (Details) Details http://www.mobileiron.com/role/DisclosureRestructuringExpenseTables 48 false false R49.htm 40701 - Disclosure - Line of Credit (Details) Sheet http://www.mobileiron.com/role/DisclosureLineOfCreditDetails Line of Credit (Details) Details http://www.mobileiron.com/role/DisclosureLineOfCredit 49 false false R50.htm 40801 - Disclosure - Preferred Stock (Details) Sheet http://www.mobileiron.com/role/DisclosurePreferredStockDetails Preferred Stock (Details) Details http://www.mobileiron.com/role/DisclosurePreferredStock 50 false false R51.htm 40901 - Disclosure - Common Stock (Details) Sheet http://www.mobileiron.com/role/DisclosureCommonStockDetails Common Stock (Details) Details http://www.mobileiron.com/role/DisclosureCommonStockTables 51 false false R52.htm 40902 - Disclosure - Common Stock - Shares of common stock reserved for issuance (Details) Sheet http://www.mobileiron.com/role/DisclosureCommonStockSharesOfCommonStockReservedForIssuanceDetails Common Stock - Shares of common stock reserved for issuance (Details) Details 52 false false R53.htm 40903 - Disclosure - Common Stock - Repurchase Program (Details) Sheet http://www.mobileiron.com/role/DisclosureCommonStockRepurchaseProgramDetails Common Stock - Repurchase Program (Details) Details 53 false false R54.htm 41001 - Disclosure - Share Based Awards (Details) Sheet http://www.mobileiron.com/role/DisclosureShareBasedAwardsDetails Share Based Awards (Details) Details http://www.mobileiron.com/role/DisclosureShareBasedAwardsTables 54 false false R55.htm 41002 - Disclosure - Share Based Awards - RSUs and Bonus Plans (Details) Sheet http://www.mobileiron.com/role/DisclosureShareBasedAwardsRsusAndBonusPlansDetails Share Based Awards - RSUs and Bonus Plans (Details) Details 55 false false R56.htm 41003 - Disclosure - Share Based Awards - Options activity (Details) Sheet http://www.mobileiron.com/role/DisclosureShareBasedAwardsOptionsActivityDetails Share Based Awards - Options activity (Details) Details 56 false false R57.htm 41004 - Disclosure - Share Based Awards - Options by price (Details) Sheet http://www.mobileiron.com/role/DisclosureShareBasedAwardsOptionsByPriceDetails Share Based Awards - Options by price (Details) Details 57 false false R58.htm 41005 - Disclosure - Share Based Awards - Compensation expense (Details) Sheet http://www.mobileiron.com/role/DisclosureShareBasedAwardsCompensationExpenseDetails Share Based Awards - Compensation expense (Details) Details 58 false false R59.htm 41006 - Disclosure - Share Based Awards - Options assumptions (Details) Sheet http://www.mobileiron.com/role/DisclosureShareBasedAwardsOptionsAssumptionsDetails Share Based Awards - Options assumptions (Details) Details 59 false false R60.htm 41007 - Disclosure - Share Based Awards - Unrecognized expense (Details) Sheet http://www.mobileiron.com/role/DisclosureShareBasedAwardsUnrecognizedExpenseDetails Share Based Awards - Unrecognized expense (Details) Details 60 false false R61.htm 41101 - Disclosure - Employee Benefit Plan (Details) Sheet http://www.mobileiron.com/role/DisclosureEmployeeBenefitPlanDetails Employee Benefit Plan (Details) Details http://www.mobileiron.com/role/DisclosureEmployeeBenefitPlan 61 false false R62.htm 41201 - Disclosure - Commitments and Contingencies - Indemnification (Details) Sheet http://www.mobileiron.com/role/DisclosureCommitmentsAndContingenciesIndemnificationDetails Commitments and Contingencies - Indemnification (Details) Details 62 false false R63.htm 41301 - Disclosure - Leases (Details) Sheet http://www.mobileiron.com/role/DisclosureLeasesDetails Leases (Details) Details http://www.mobileiron.com/role/DisclosureLeasesTables 63 false false R64.htm 41302 - Disclosure - Leases - Future maturities of lease liabilities (Details) Sheet http://www.mobileiron.com/role/DisclosureLeasesFutureMaturitiesOfLeaseLiabilitiesDetails Leases - Future maturities of lease liabilities (Details) Details 64 false false R65.htm 41303 - Disclosure - Leases - Weighted average discount rate and remaining lease term (Details) Sheet http://www.mobileiron.com/role/DisclosureLeasesWeightedAverageDiscountRateAndRemainingLeaseTermDetails Leases - Weighted average discount rate and remaining lease term (Details) Details 65 false false R66.htm 41304 - Disclosure - Leases - Future minimum lease payments for operating leases (Details) Sheet http://www.mobileiron.com/role/DisclosureLeasesFutureMinimumLeasePaymentsForOperatingLeasesDetails Leases - Future minimum lease payments for operating leases (Details) Details 66 false false R67.htm 41401 - Disclosure - Unearned Revenue - Changes in Unearned Revenue (Details) Sheet http://www.mobileiron.com/role/DisclosureUnearnedRevenueChangesInUnearnedRevenueDetails Unearned Revenue - Changes in Unearned Revenue (Details) Details 67 false false R68.htm 41402 - Disclosure - Unearned Revenue - Narratives (Details) Sheet http://www.mobileiron.com/role/DisclosureUnearnedRevenueNarrativesDetails Unearned Revenue - Narratives (Details) Details 68 false false R69.htm 41501 - Disclosure - Segment and Disaggregated Revenue Information (Details) Sheet http://www.mobileiron.com/role/DisclosureSegmentAndDisaggregatedRevenueInformationDetails Segment and Disaggregated Revenue Information (Details) Details http://www.mobileiron.com/role/DisclosureSegmentAndDisaggregatedRevenueInformationTables 69 false false R70.htm 41601 - Disclosure - Net Loss per Share (Details) Sheet http://www.mobileiron.com/role/DisclosureNetLossPerShareDetails Net Loss per Share (Details) Details http://www.mobileiron.com/role/DisclosureNetLossPerShareTables 70 false false R71.htm 41602 - Disclosure - Net Loss Per Share - Antidilutive (Details) Sheet http://www.mobileiron.com/role/DisclosureNetLossPerShareAntidilutiveDetails Net Loss Per Share - Antidilutive (Details) Details 71 false false R72.htm 41701 - Disclosure - Income Taxes (Details) Sheet http://www.mobileiron.com/role/DisclosureIncomeTaxesDetails Income Taxes (Details) Details http://www.mobileiron.com/role/DisclosureIncomeTaxesTables 72 false false R73.htm 41702 - Disclosure - Income Taxes - Rate reconciliation (Details) Sheet http://www.mobileiron.com/role/DisclosureIncomeTaxesRateReconciliationDetails Income Taxes - Rate reconciliation (Details) Details 73 false false R74.htm 41703 - Disclosure - Income Taxes - Net deferred tax assets (Details) Sheet http://www.mobileiron.com/role/DisclosureIncomeTaxesNetDeferredTaxAssetsDetails Income Taxes - Net deferred tax assets (Details) Details 74 false false R75.htm 41704 - Disclosure - Income Taxes - Operating loss carryforwards (Details) Sheet http://www.mobileiron.com/role/DisclosureIncomeTaxesOperatingLossCarryforwardsDetails Income Taxes - Operating loss carryforwards (Details) Details 75 false false R76.htm 41705 - Disclosure - Income Taxes - Tax credit carryforwards (Details) Sheet http://www.mobileiron.com/role/DisclosureIncomeTaxesTaxCreditCarryforwardsDetails Income Taxes - Tax credit carryforwards (Details) Details 76 false false R77.htm 41706 - Disclosure - Income Taxes - Unrealized tax benefits and others (Details) Sheet http://www.mobileiron.com/role/DisclosureIncomeTaxesUnrealizedTaxBenefitsAndOthersDetails Income Taxes - Unrealized tax benefits and others (Details) Details 77 false false All Reports Book All Reports mobl-20191231.xml mobl-20191231.xsd mobl-20191231_cal.xml mobl-20191231_def.xml mobl-20191231_lab.xml mobl-20191231_pre.xml http://xbrl.sec.gov/country/2017-01-31 http://fasb.org/us-gaap/2019-01-31 http://xbrl.sec.gov/dei/2019-01-31 http://fasb.org/srt/2019-01-31 true true