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Segments and Geographic Areas (Details Narrative) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Segments, Geographical Areas [Abstract]
Export Sales	$ 71,400	$ 77,500	$ 66,300

X

- Definition

Sales from export over the period.

+ References

No definition available.

+ Details

Name:	ipar_ExportSales
Namespace Prefix:	ipar_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_SegmentsGeographicalAreasAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration