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- Details Name: gnus_CashFlowsFromFinancingActivitiesAbstract Namespace Prefix: gnus Data Type: xbrli:stringItemType Balance Type: na Period Type: duration

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- Details Name: gnus_CashFlowsFromInvestingActivitiesAbstract Namespace Prefix: gnus Data Type: xbrli:stringItemType Balance Type: na Period Type: duration

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- Definition Related Party Note converted to Common Stock + Details Name: gnus_RelatedPartyNoteConvertedToCommonStock Namespace Prefix: gnus Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: duration

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- Details Name: us-gaap_AdjustmentForAmortization Namespace Prefix: us-gaap Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: duration

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- Details Name: us-gaap_AllocatedShareBasedCompensationExpense Namespace Prefix: us-gaap Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: duration

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- Details Name: us-gaap_Cash Namespace Prefix: us-gaap Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: instant

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- Details Name: us-gaap_CashPeriodIncreaseDecrease Namespace Prefix: us-gaap Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: duration

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- Details Name: us-gaap_Depreciation Namespace Prefix: us-gaap Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: duration

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- Details Name: us-gaap_IncomeTaxesPaid Namespace Prefix: us-gaap Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: duration

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- Details Name: us-gaap_IncreaseDecreaseInAccountsPayable Namespace Prefix: us-gaap Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: duration

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- Details Name: us-gaap_IncreaseDecreaseInAccountsReceivable Namespace Prefix: us-gaap Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: duration

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- Details Name: us-gaap_IncreaseDecreaseInAccruedLiabilities Namespace Prefix: us-gaap Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: duration

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- Details Name: us-gaap_IncreaseDecreaseInDueToRelatedParties Namespace Prefix: us-gaap Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: duration

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- Details Name: us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities Namespace Prefix: us-gaap Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: duration

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- Details Name: us-gaap_IncreaseDecreaseInInventories Namespace Prefix: us-gaap Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: duration

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- Details Name: us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets Namespace Prefix: us-gaap Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: duration

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- Details Name: us-gaap_InterestPaidNet Namespace Prefix: us-gaap Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: duration

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- Details Name: us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims Namespace Prefix: us-gaap Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: duration

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- Details Name: us-gaap_NetCashProvidedByUsedInFinancingActivities Namespace Prefix: us-gaap Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: duration

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- Details Name: us-gaap_NetCashProvidedByUsedInInvestingActivities Namespace Prefix: us-gaap Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: duration

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- Details Name: us-gaap_NetCashProvidedByUsedInOperatingActivities Namespace Prefix: us-gaap Data Type: xbrli:monetaryItemType Balance Type: na Period Type: duration

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- Details Name: us-gaap_PaymentsToAcquireIntangibleAssets Namespace Prefix: us-gaap Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: duration

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- Details Name: us-gaap_PaymentsToAcquirePropertyPlantAndEquipment Namespace Prefix: us-gaap Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: duration

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- Details Name: us-gaap_ProceedsFromIssuanceOfCommonStock Namespace Prefix: us-gaap Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: duration

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- Details Name: us-gaap_ProfitLoss Namespace Prefix: us-gaap Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: duration

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- Details Name: us-gaap_RepaymentsOfRelatedPartyDebt Namespace Prefix: us-gaap Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: duration