INTANGIBLE ASSETS - Additional Information (Details) - USD ($) |
1 Months Ended | 3 Months Ended | 9 Months Ended | |||||
|---|---|---|---|---|---|---|---|---|
Mar. 31, 2022 |
Feb. 28, 2022 |
Oct. 31, 2020 |
Aug. 31, 2019 |
Sep. 30, 2024 |
Sep. 30, 2023 |
Sep. 30, 2024 |
Sep. 30, 2023 |
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| Intangible Assets | ||||||||
| Net product revenue | $ 186,038,000 | $ 160,268,000 | $ 513,467,000 | $ 413,610,000 | ||||
| Amortization expense | $ 5,961,000 | $ 5,962,000 | $ 17,883,000 | $ 17,884,000 | ||||
| WAKIX | ||||||||
| Intangible Assets | ||||||||
| Useful life of intangible asset | 7 years 7 months 6 days | |||||||
| Remaining useful life | 5 years | 5 years | ||||||
| Final payment paid | $ 40,000,000 | |||||||
| WAKIX | United States | ||||||||
| Intangible Assets | ||||||||
| Net product revenue | $ 500,000,000 | |||||||
| WAKIX | Daytime Sleepiness | ||||||||
| Intangible Assets | ||||||||
| License agreement milestone payments paid | $ 75,000,000 | |||||||
| Useful life of intangible asset | 10 years | |||||||
| Remaining useful life | 5 years | 5 years | ||||||
| NDA for WAKIX. | Cataplexy | ||||||||
| Intangible Assets | ||||||||
| License agreement milestone payments paid | $ 100,000,000 | |||||||
| Useful life of intangible asset | 9 years | |||||||
| Remaining useful life | 5 years | 5 years | ||||||
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- Definition License agreement final payment paid. No definition available.
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- Definition License agreement milestone payments paid. No definition available.
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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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- Definition 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. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Remaining amortization period of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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