3.20.2 html 179 333 1 false 52 0 false 5 false false R1.htm 00090 - Document - Document and Entity Information Sheet http://www.glu.com/role/DocumentDocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 00100 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) Sheet http://www.glu.com/role/StatementCondensedConsolidatedBalanceSheetsUnaudited CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) Statements 2 false false R3.htm 00105 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) Sheet http://www.glu.com/role/StatementCondensedConsolidatedBalanceSheetsUnauditedParenthetical CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) Statements 3 false false R4.htm 00200 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) Sheet http://www.glu.com/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) Statements 4 false false R5.htm 00300 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME/(LOSS) (Unaudited) Sheet http://www.glu.com/role/StatementCondensedConsolidatedStatementsOfComprehensiveIncomeLossUnaudited CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME/(LOSS) (Unaudited) Statements 5 false false R6.htm 00400 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS EQUITY (Unaudited) Sheet http://www.glu.com/role/StatementCondensedConsolidatedStatementsOfStockholdersEquityUnaudited CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS EQUITY (Unaudited) Statements 6 false false R7.htm 00500 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) Sheet http://www.glu.com/role/StatementCondensedConsolidatedStatementsOfCashFlowsUnaudited CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) Statements 7 false false R8.htm 10101 - Disclosure - The Company, Basis of Presentation and Summary of Significant Accounting Policies Sheet http://www.glu.com/role/DisclosureCompanyBasisOfPresentationAndSummaryOfSignificantAccountingPolicies The Company, Basis of Presentation and Summary of Significant Accounting Policies Notes 8 false false R9.htm 10201 - Disclosure - Net Income/(Loss) Per Share Sheet http://www.glu.com/role/DisclosureNetIncomeLossPerShare Net Income/(Loss) Per Share Notes 9 false false R10.htm 10301 - Disclosure - Revenue from Contracts with Customers Sheet http://www.glu.com/role/DisclosureRevenueFromContractsWithCustomers Revenue from Contracts with Customers Notes 10 false false R11.htm 10401 - Disclosure - Fair Value Measurements Sheet http://www.glu.com/role/DisclosureFairValueMeasurements Fair Value Measurements Notes 11 false false R12.htm 10501 - Disclosure - Balance Sheet Components Sheet http://www.glu.com/role/DisclosureBalanceSheetComponents Balance Sheet Components Notes 12 false false R13.htm 10601 - Disclosure - Goodwill and Intangible Assets Sheet http://www.glu.com/role/DisclosureGoodwillAndIntangibleAssets Goodwill and Intangible Assets Notes 13 false false R14.htm 10701 - Disclosure - Leases Sheet http://www.glu.com/role/DisclosureLeases Leases Notes 14 false false R15.htm 10801 - Disclosure - Commitments and Contingencies Sheet http://www.glu.com/role/DisclosureCommitmentsAndContingencies Commitments and Contingencies Notes 15 false false R16.htm 10901 - Disclosure - Stockholders' Equity Sheet http://www.glu.com/role/DisclosureStockholdersEquity Stockholders' Equity Notes 16 false false R17.htm 11001 - Disclosure - Stock Incentive Plans Sheet http://www.glu.com/role/DisclosureStockIncentivePlans Stock Incentive Plans Notes 17 false false R18.htm 11101 - Disclosure - Income Taxes Sheet http://www.glu.com/role/DisclosureIncomeTaxes Income Taxes Notes 18 false false R19.htm 11201 - Disclosure - Segment Information and Operations by Geographic Area Sheet http://www.glu.com/role/DisclosureSegmentInformationAndOperationsByGeographicArea Segment Information and Operations by Geographic Area Notes 19 false false R20.htm 20102 - Disclosure - The Company, Basis of Presentation and Summary of Significant Accounting Policies (Policies) Sheet http://www.glu.com/role/DisclosureCompanyBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesPolicies The Company, Basis of Presentation and Summary of Significant Accounting Policies (Policies) Policies http://www.glu.com/role/DisclosureCompanyBasisOfPresentationAndSummaryOfSignificantAccountingPolicies 20 false false R21.htm 30103 - Disclosure - The Company, Basis of Presentation and Summary of Significant Accounting Policies (Tables) Sheet http://www.glu.com/role/DisclosureCompanyBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTables The Company, Basis of Presentation and Summary of Significant Accounting Policies (Tables) Tables http://www.glu.com/role/DisclosureCompanyBasisOfPresentationAndSummaryOfSignificantAccountingPolicies 21 false false R22.htm 30203 - Disclosure - Net Income/(Loss) Per Share (Tables) Sheet http://www.glu.com/role/DisclosureNetIncomeLossPerShareTables Net Income/(Loss) Per Share (Tables) Tables http://www.glu.com/role/DisclosureNetIncomeLossPerShare 22 false false R23.htm 30303 - Disclosure - Revenue from Contracts with Customers (Tables) Sheet http://www.glu.com/role/DisclosureRevenueFromContractsWithCustomersTables Revenue from Contracts with Customers (Tables) Tables http://www.glu.com/role/DisclosureRevenueFromContractsWithCustomers 23 false false R24.htm 30403 - Disclosure - Fair Value Measurements (Tables) Sheet http://www.glu.com/role/DisclosureFairValueMeasurementsTables Fair Value Measurements (Tables) Tables http://www.glu.com/role/DisclosureFairValueMeasurements 24 false false R25.htm 30503 - Disclosure - Balance Sheet Components (Tables) Sheet http://www.glu.com/role/DisclosureBalanceSheetComponentsTables Balance Sheet Components (Tables) Tables http://www.glu.com/role/DisclosureBalanceSheetComponents 25 false false R26.htm 30603 - Disclosure - Goodwill and Intangible Assets (Tables) Sheet http://www.glu.com/role/DisclosureGoodwillAndIntangibleAssetsTables Goodwill and Intangible Assets (Tables) Tables http://www.glu.com/role/DisclosureGoodwillAndIntangibleAssets 26 false false R27.htm 30703 - Disclosure - Leases (Tables) Sheet http://www.glu.com/role/DisclosureLeasesTables Leases (Tables) Tables http://www.glu.com/role/DisclosureLeases 27 false false R28.htm 30803 - Disclosure - Commitments and Contingencies (Tables) Sheet http://www.glu.com/role/DisclosureCommitmentsAndContingenciesTables Commitments and Contingencies (Tables) Tables http://www.glu.com/role/DisclosureCommitmentsAndContingencies 28 false false R29.htm 30903 - Disclosure - Stockholders' Equity (Tables) Sheet http://www.glu.com/role/DisclosureStockholdersEquityTables Stockholders' Equity (Tables) Tables http://www.glu.com/role/DisclosureStockholdersEquity 29 false false R30.htm 31003 - Disclosure - Stock Incentive Plans (Tables) Sheet http://www.glu.com/role/DisclosureStockIncentivePlansTables Stock Incentive Plans (Tables) Tables http://www.glu.com/role/DisclosureStockIncentivePlans 30 false false R31.htm 31203 - Disclosure - Segment Information and Operations by Geographic Area (Tables) Sheet http://www.glu.com/role/DisclosureSegmentInformationAndOperationsByGeographicAreaTables Segment Information and Operations by Geographic Area (Tables) Tables http://www.glu.com/role/DisclosureSegmentInformationAndOperationsByGeographicArea 31 false false R32.htm 40103 - Disclosure - The Company, Basis of Presentation and Summary of Significant Accounting Policies - Concentration Risks (Details) Sheet http://www.glu.com/role/DisclosureCompanyBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesConcentrationRisksDetails The Company, Basis of Presentation and Summary of Significant Accounting Policies - Concentration Risks (Details) Details 32 false false R33.htm 40201 - Disclosure - Net Income/(Loss) Per Share - Basic and Diluted (Details) Sheet http://www.glu.com/role/DisclosureNetIncomeLossPerShareBasicAndDilutedDetails Net Income/(Loss) Per Share - Basic and Diluted (Details) Details 33 false false R34.htm 40202 - Disclosure - Net Income/(Loss) Per Share - Antidilutive Shares (Details) Sheet http://www.glu.com/role/DisclosureNetIncomeLossPerShareAntidilutiveSharesDetails Net Income/(Loss) Per Share - Antidilutive Shares (Details) Details 34 false false R35.htm 40301 - Disclosure - Revenue from Contracts with Customers - Disaggregation of Revenue (Details) Sheet http://www.glu.com/role/DisclosureRevenueFromContractsWithCustomersDisaggregationOfRevenueDetails Revenue from Contracts with Customers - Disaggregation of Revenue (Details) Details 35 false false R36.htm 40302 - Disclosure - Revenue from Contracts with Customers - Contract Balances (Details) Sheet http://www.glu.com/role/DisclosureRevenueFromContractsWithCustomersContractBalancesDetails Revenue from Contracts with Customers - Contract Balances (Details) Details 36 false false R37.htm 40303 - Disclosure - Revenue from Contracts with Customers - Narrative (Details) Sheet http://www.glu.com/role/DisclosureRevenueFromContractsWithCustomersNarrativeDetails Revenue from Contracts with Customers - Narrative (Details) Details 37 false false R38.htm 40401 - Disclosure - Fair Value Measurements (Details) Sheet http://www.glu.com/role/DisclosureFairValueMeasurementsDetails Fair Value Measurements (Details) Details http://www.glu.com/role/DisclosureFairValueMeasurementsTables 38 false false R39.htm 40501 - Disclosure - Balance Sheet Components - Accounts Receivable (Details) Sheet http://www.glu.com/role/DisclosureBalanceSheetComponentsAccountsReceivableDetails Balance Sheet Components - Accounts Receivable (Details) Details 39 false false R40.htm 40601 - Disclosure - Goodwill and Intangible Assets - Intangible Assets (Details) Sheet http://www.glu.com/role/DisclosureGoodwillAndIntangibleAssetsIntangibleAssetsDetails Goodwill and Intangible Assets - Intangible Assets (Details) Details 40 false false R41.htm 40602 - Disclosure - Goodwill and Intangible Assets - Future Amortization (Details) Sheet http://www.glu.com/role/DisclosureGoodwillAndIntangibleAssetsFutureAmortizationDetails Goodwill and Intangible Assets - Future Amortization (Details) Details 41 false false R42.htm 40701 - Disclosure - Leases - Narrative (Details) Sheet http://www.glu.com/role/DisclosureLeasesNarrativeDetails Leases - Narrative (Details) Details 42 false false R43.htm 40703 - Disclosure - Leases - Future Minimum Lease Payments under Noncancelable Leases (Details) Sheet http://www.glu.com/role/DisclosureLeasesFutureMinimumLeasePaymentsUnderNoncancelableLeasesDetails Leases - Future Minimum Lease Payments under Noncancelable Leases (Details) Details 43 false false R44.htm 40705 - Disclosure - Leases - Supplemental Information (Details) Sheet http://www.glu.com/role/DisclosureLeasesSupplementalInformationDetails Leases - Supplemental Information (Details) Details 44 false false R45.htm 40801 - Disclosure - Commitments and Contingencies - Minimum Guaranteed Royalties (Details) Sheet http://www.glu.com/role/DisclosureCommitmentsAndContingenciesMinimumGuaranteedRoyaltiesDetails Commitments and Contingencies - Minimum Guaranteed Royalties (Details) Details 45 false false R46.htm 40802 - Disclosure - Commitments and Contingencies - Other Commitments (Details) Sheet http://www.glu.com/role/DisclosureCommitmentsAndContingenciesOtherCommitmentsDetails Commitments and Contingencies - Other Commitments (Details) Details 46 false false R47.htm 40901 - Disclosure - Stockholders' Equity - Warrants to Purchase Common Stock (Details) Sheet http://www.glu.com/role/DisclosureStockholdersEquityWarrantsToPurchaseCommonStockDetails Stockholders' Equity - Warrants to Purchase Common Stock (Details) Details 47 false false R48.htm 40902 - Disclosure - Stockholders' Equity - Follow-on Public Offering (Details) Sheet http://www.glu.com/role/DisclosureStockholdersEquityFollowOnPublicOfferingDetails Stockholders' Equity - Follow-on Public Offering (Details) Details 48 false false R49.htm 41001 - Disclosure - Stock Incentive Plans (Details) Sheet http://www.glu.com/role/DisclosureStockIncentivePlansDetails Stock Incentive Plans (Details) Details http://www.glu.com/role/DisclosureStockIncentivePlansTables 49 false false R50.htm 41002 - Disclosure - Stock Incentive Plans - RSU and PSU Activity (Details) Sheet http://www.glu.com/role/DisclosureStockIncentivePlansRsuAndPsuActivityDetails Stock Incentive Plans - RSU and PSU Activity (Details) Details 50 false false R51.htm 41003 - Disclosure - Stock Incentive Plans - PSO and Stock Option Activity (Details) Sheet http://www.glu.com/role/DisclosureStockIncentivePlansPsoAndStockOptionActivityDetails Stock Incentive Plans - PSO and Stock Option Activity (Details) Details 51 false false R52.htm 41004 - Disclosure - Stock Incentive Plans - Weighted Average Assumptions (Details) Sheet http://www.glu.com/role/DisclosureStockIncentivePlansWeightedAverageAssumptionsDetails Stock Incentive Plans - Weighted Average Assumptions (Details) Details 52 false false R53.htm 41005 - Disclosure - Stock Incentive Plans - Stock-Based Compensation Expense (Details) Sheet http://www.glu.com/role/DisclosureStockIncentivePlansStockBasedCompensationExpenseDetails Stock Incentive Plans - Stock-Based Compensation Expense (Details) Details 53 false false R54.htm 41101 - Disclosure - Income Taxes - (Details) Sheet http://www.glu.com/role/DisclosureIncomeTaxesDetails Income Taxes - (Details) Details http://www.glu.com/role/DisclosureIncomeTaxes 54 false false R55.htm 41201 - Disclosure - Segment Information and Operations by Geographic Area - Revenue (Details) Sheet http://www.glu.com/role/DisclosureSegmentInformationAndOperationsByGeographicAreaRevenueDetails Segment Information and Operations by Geographic Area - Revenue (Details) Details http://www.glu.com/role/DisclosureSegmentInformationAndOperationsByGeographicAreaTables 55 false false R56.htm 41202 - Disclosure - Segment Information and Operations by Geographic Area - Long-Lived Assets (Details) Sheet http://www.glu.com/role/DisclosureSegmentInformationAndOperationsByGeographicAreaLongLivedAssetsDetails Segment Information and Operations by Geographic Area - Long-Lived Assets (Details) Details 56 false false All Reports Book All Reports gluu-20200630x10q.htm gluu-20200630.xsd gluu-20200630_cal.xml gluu-20200630_def.xml gluu-20200630_lab.xml gluu-20200630_pre.xml gluu-20200630ex100179c52.htm gluu-20200630ex3101d279d.htm gluu-20200630ex310257d5e.htm gluu-20200630ex32017dbc1.htm gluu-20200630ex320252acb.htm http://fasb.org/us-gaap/2019-01-31 http://xbrl.sec.gov/country/2017-01-31 http://xbrl.sec.gov/dei/2019-01-31 http://fasb.org/srt/2019-01-31 true true