Nature of Business and Basis of Presentation - Additional Information (Detail) |
9 Months Ended | |||
|---|---|---|---|---|
Apr. 11, 2025 |
Sep. 30, 2026
USD ($)
Segment
|
Dec. 31, 2025
USD ($)
|
Jun. 24, 2025
Country
|
|
| Product Information [Line Items] | ||||
| Number of countries to develop and commercialize VAZKEPA | Country | 59 | |||
| Number of operating segments | Segment | 1 | |||
| Total assets | $ 634,081,000 | $ 670,775,000 | ||
| Cash and short-term investments | 323,400,000 | |||
| Total current assets | 612,875,000 | 649,882,000 | ||
| Cash and cash equivalents | 156,512,000 | 134,660,000 | ||
| Short-term investments | 166,867,000 | 167,929,000 | ||
| Accounts receivable, net | 111,573,000 | 126,832,000 | ||
| Current inventory | 158,850,000 | $ 195,910,000 | ||
| Debt outstanding | $ 0 | |||
| Ordinary Shares | ||||
| Product Information [Line Items] | ||||
| Ratio change on American Depositary Shares, or ADS | 20 | |||
| Effective date of ratio change | Apr. 11, 2025 |
| X | ||||||||||
- Definition Cash and short term investments. No definition available.
|
| X | ||||||||||
- Definition Effective date of ratio change. No definition available.
|
| X | ||||||||||
- Definition Number of countries to develop and commercialize vazkepa. No definition available.
|
| X | ||||||||||
- Definition Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of asset recognized for present right to economic benefit. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of asset recognized for present right to economic benefit, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of cash and cash equivalent. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- 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. No definition available.
|
| X | ||||||||||
- Definition Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Details
|