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The Company and its Significant Accounting Policies (Details Narrative) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Allowances for sales returns and doubtful accounts | $ 4,000 | $ 5,100 |
Shipping and handling costs | 248,012 | 214,965 | $ 194,601
Advertising costs | 139,700 | 123,700 | 99,000
Customer incentives cost | $ 36,400 | $ 33,800 | $ 30,000
Royalty expense, percentage of net sales | 7.20% | 6.70% | 7.30%
Lease related assets and liabilities | $ 40,000 |  |
Interparfum SA [Member] |  |  |
Ownership percentage in Interparfums SA | 73.00% |  |
Minimum [Member] |  |  |
License agreement term | 5 years |  |
License agreement renewal term | 1 year |  |
Royalty expense, percentage of net sales | 5.00% |  |
Maximum [Member] |  |  |
License agreement term | 15 years |  |
License agreement renewal term | 15 years |  |
Royalty expense, percentage of net sales | 10.00% |  |
Measurement Input, Discount Rate [Member] |  |  |
Weighted average cost of capital | 6.21% | 6.22% | 6.22%
Shipping and Handling [Member] |  |  |
Shipping and handling costs | $ 7,100 | $ 5,900 | $ 5,100
Sales Revenue, Net [Member] |  |  |
Concentration Risk, Percentage | 10.00% | 10.00% | 10.00%

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