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Share Based Payments (Details) - $ / shares	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Share-based Payment Arrangement [Abstract]
Number of Shares, Nonvested options - beginning of period	485,360
Weighted Average Grant Date Fair Value, Nonvested options - beginning of period	$ 10.72
Number of Shares, Nonvested options granted	6,000
Weighted Average Grant Date Fair Value, Nonvested options granted	$ 14.83	$ 10.73
Number of Shares, Nonvested options vested or forfeited	(29,740)
Weighted Average Grant Date Fair Value, Nonvested options vested or forfeited	$ 9.68
Number of Shares, Nonvested options - end of period	461,620
Weighted Average Grant Date Fair Value, Nonvested options - end of period	$ 10.84

X

- Definition

Nonvested options vested or forfeited.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

X

- Definition

Weighted average grant date fair value of nonvested options that were vested or forfeited during the period.

+ References

No definition available.

+ Details

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Namespace Prefix:	IPAR_
Data Type:	num:perShareItemType
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Period Type:	duration

X

- References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)(1)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

+ Details

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Period Type:	duration

X

- Definition

Number of non-vested options outstanding.

+ References

No definition available.

+ Details

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Data Type:	xbrli:sharesItemType
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Period Type:	instant

X

- Definition

Weighted average grant-date fair value of non-vested options outstanding.

+ References

No definition available.

+ Details

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