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Recent Agreements (Details) | 3 Months Ended
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Mar. 31, 2020
S.T. Dupont [Member] |
Recent Agreements (Details) [Line Items] |
License agreements, description | Our initial 11-year license agreement with S.T. Dupont was signed in June 1997, and had previously been extended through December 31, 2019. The agreement will be extended annually in September of each year upon mutual consent.

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- Definition This element represents a description of the license agreement. + References No definition available. + Details
Name: | ipar_LicenseAgreementDescription
Namespace Prefix: | ipar_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | ipar_RecentAgreementsDetailsLineItems
Namespace Prefix: | ipar_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=ipar_STDupontMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |