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Summary of Significant Accounting Policies (Policies) | 3 Months Ended
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Mar. 31, 2022
Accounting Policies [Abstract] |
Nature of Operations | Nature of Operations. Avadel Pharmaceuticals plc (Nasdaq: AVDL) (“Avadel,” the “Company,” “we,” “our,” or “us”) is a biopharmaceutical company. The Company is registered as an Irish public limited company. The Company’s headquarters are in Dublin, Ireland with operations in Dublin, Ireland and St. Louis, Missouri, United States (“U.S.”). The Company’s lead product candidate, FT218, is an investigational once-nightly, extended-release formulation of sodium oxybate for the treatment of excessive daytime sleepiness (“EDS”) or cataplexy in adults with narcolepsy. The Company is primarily focused on the development and potential United States (“U.S.”) Food and Drug Administration (“FDA”) approval of FT218. In December 2020, the Company submitted a New Drug Application (“NDA”) to the FDA for FT218 to treat excessive daytime sleepiness or cataplexy in adults with narcolepsy. In February 2021, the NDA for FT218 was accepted by the FDA and was assigned a Prescription Drug User Fee Act (“PDUFA”) target action date of October 15, 2021. On October 15, 2021, the Company announced that the FDA informed Avadel that the review of the NDA for FT218 was ongoing beyond its previously assigned target action date. As of the date of this Quarterly Report, the FDA’s review of the Company’s NDA for FT218 remains ongoing. Outside of the Company’s lead product candidate, the Company continues to evaluate opportunities to expand its product portfolio. As of the date of this Quarterly Report, the Company does not have any approved or commercialized products in its portfolio.
Basis of Presentation | Basis of Presentation. The unaudited condensed consolidated balance sheet as of March 31, 2022, which is derived from the prior year 2021 audited consolidated financial statements, and the interim unaudited condensed consolidated financial statements presented herein, have been prepared in accordance with accounting principles generally accepted in the U.S. (“U.S. GAAP”), the requirements of Form 10-Q and Article 10 of Regulation S-X and, consequently, do not include all information or footnotes required by U.S. GAAP for complete financial statements or all the disclosures normally made in an Annual Report on Form 10-K. Accordingly, the unaudited condensed consolidated financial statements included herein should be read in conjunction with the audited consolidated financial statements and footnotes included in the Company’s 2021 Annual Report on Form 10-K filed with the United States Securities and Exchange Commission (“SEC”) on March 16, 2022. The unaudited condensed consolidated financial statements include the accounts of the Company and subsidiaries, and reflect all adjustments (consisting only of normal recurring adjustments) that are, in the opinion of management, necessary for a fair presentation of the Company’s financial position, results of operations and cash flows for the dates and periods presented. All intercompany accounts and transactions have been eliminated. Results for interim periods are not necessarily indicative of the results to be expected during the remainder of the current year or for any future period.

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