Equity (Tables)

12 Months Ended

Dec. 31, 2018

Equity [Abstract]

Schedule of nonvested share activity

The following table sets forth information with respect to nonvested options for 2018:

	Number of Shares Grant Date			Weighted Average Grant Date Fair Value Grant Date
Nonvested options – beginning of year		431,235		$	8.22
Nonvested options granted		196,350		$	14.31
Nonvested options vested or forfeited		(142,225	)	$	8.11
Nonvested options – end of year		485,360		$	10.72

Schedule of effect of share-based payment expenses

The effect of share-based payment expenses decreased income statement line items as follows:

	Year Ended December 31,
	2018		2017		2016
Income before income taxes	$	2,200	$	2,100	$	1,200
Net income attributable to Inter Parfums, Inc.		1,390		1,150		700
Diluted earnings per share attributable to Inter Parfums, Inc.		0.04		0.04		0.02

Schedule of stock option activity

The following table summarizes stock option activity and related information for the years ended December 31, 2018, 2017 and 2016:

	Year ended December 31,
	2018					2017					2016
	Options			Weighted Average Exercise Price		Options			Weighted Average Exercise Price		Options			Weighted Average Exercise Price
Shares under option - beginning of year		730,980		$	31.92		684,540		$	26.94		709,300		$	24.34
Options granted		196,350			63.91		174,600			43.48		148,950			32.61
Options exercised		(140,579	)		24.21		(103,230	)		19.03		(123,150	)		18.69
Options forfeited		(10,580	)		37.64		(24,930	)		29.49		(50,560	)		27.18
Shares under option - end of year		776,171			41.33		730,980			31.92		684,540			26.94

Schedule of valuation assumptions in Black-Scholes pricing

The assumptions used in the Black-Scholes pricing model are set forth in the following table:

	Year Ended December 31,
	2018			2017			2016
Weighted-average expected stock-price volatility		27	%		28	%		29	%
Weighted-average expected option life		5.0 years			5.0 years			5.0 years
Weighted-average risk-free interest rate		2.5	%		2.2	%		2.0	%
Weighted-average dividend yield		2.0	%		2.0	%		2.1	%

Schedule of stock options exercised

Proceeds, tax benefits and intrinsic value related to stock options exercised were as follows: 

	Year Ended December 31,
	2018		2017		2016
Proceeds from stock options exercised, excluding cashless exercise of $0.7 million 2016	$	3,406	$	1,963	$	1,579
Tax benefits	$	807	$	600	$	400
Intrinsic value of stock options exercised	$	4,310	$	2,258	$	1,860

Schedule of additional stock option information

The following table summarizes additional stock option information as of December 31, 2018:

			Options outstanding
	Number		weighted average remaining	Options
Exercise prices	outstanding		contractual life	exercisable
$23.61 - $29.36		209,920	2.48 years		134,170
$32.83 - $35.75		206,101	2.85 years		123,781
$40.15 - $46.90		177,800	4.96years		32,860
$65.25		182,350	6.00 years		—
Totals		776,171	3.98 years		290,811