Represents the effect of equity-based compensation arrangement on net income attributable to parent.

No definition available.

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The amount of shares purchased on the open market during the period for issuance to employees under the plan.

+ References

No definition available.

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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Unrecognized cost of unvested share-based compensation awards.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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- Definition

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

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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The number of shares purchased on the open market during the period for issuance to employees under the plan.

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Amount of capitalized and expensed compensation cost from equity-based compensation arrangements.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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Share Based Payments (Details Narrative) € / shares in Units, $ / shares in Units, € in Thousands, $ in Thousands	1 Months Ended		3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2016 USD ($) $ / shares shares	Sep. 30, 2016 EUR (€) € / shares shares	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2018 USD ($) $ / shares shares	Sep. 30, 2017 USD ($) $ / shares	Dec. 31, 2016 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share-based compensation expense			$ 490	$ 540	$ 1,570	$ 1,560
Allocated share-based compensation expense, effect on net income attributable to parent			310	$ 290	$ 1,000	$ 860
Weighted average remaining contractual period of options outstanding					3 years 4 months 17 days
Weighted average remaining contractual life of options exercisable					1 year 11 months 1 day
Aggregate intrinsic value of options outstanding			20,300		$ 20,300
Aggregate intrinsic value of options exercisable			7,800		7,800
Unrecognized compensation cost related to stock options			$ 2,700		$ 2,700
Weighted average grant date fair value \| $ / shares					$ 10.73	$ 8.04
Interparfums SA Subsidiary [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share-based compensation expense					$ 700
Ownership percentage	73.00%	73.00%
Number of shares authorized \| shares	157,840	157,840
Weighted average grant date fair value \| $ / shares	$ 22.00
Compensation cost	$ 3,400
Value of shares purchased for award					$ 800		$ 2,900
Number of shares purchased for award \| shares					18,899		131,101
Interparfums SA Subsidiary [Member] \| Euro [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant date fair value \| € / shares		€ 18.56
Compensation cost \| €		€ 2,900
Interparfums SA Subsidiary [Member] \| Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized \| shares	15,100	15,100
Interparfums SA Subsidiary [Member] \| Officers And Managers [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized \| shares	133,000	133,000
Equity Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period					6 years
Fair value of shares vested					$ 50	$ 50
Equity Option [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period					4 years
Equity Option [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period					5 years