XML 110 R43.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Income Taxes (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2023
Income Tax Disclosure [Abstract] |
Schedule Of Components Of (Loss) Income Before Income Tax | The components of (loss) income before income taxes for the following years ended December 31, are as follows:
(Loss) Income Before Income Taxes: |  | 2023 |  | 2022 |  | 2021
Ireland |  | $ | (45,689) |  |  | $ | (53,717) |  |  | $ | (36,631) |
U.S. |  | (114,942) |  |  | (57,755) |  |  | (56,687) |
France |  | (146) |  |  | 33 |  |  | 173 |
Total loss before income taxes |  | $ | (160,777) |  |  | $ | (111,439) |  |  | $ | (93,145) |
Schedule Of Income Tax Provision (Benefit) | The income tax (benefit) provision consists of the following for the years ended December 31:
Income Tax (Benefit) Provision: |  | 2023 |  | 2022 |  | 2021
Current: |  |  |  |  |  |
U.S. - State |  | $ | (661) |  |  | $ | — |  |  | $ | 60 |
Total current |  | (661) |  |  | — |  |  | 60 |
Deferred: |  |  |  |  |  |
U.S. - Federal |  | — |  |  | 25,896 |  |  | (15,876) |
U.S. - State |  | 160 |  |  | 129 |  |  | — |
Total deferred |  | 160 |  |  | 26,025 |  |  | (15,876) |
Income tax (benefit) provision |  | $ | (501) |  |  | $ | 26,025 |  |  | $ | (15,816) |
Schedule of Effective Income Tax Rate Reconciliation | The reconciliation between income taxes at the statutory rate and the Company’s (benefit) provision for income taxes is as follows for the following years ended December 31:
Reconciliation to Effective Income Tax Rate: |  | 2023 |  | 2022 |  | 2021
Income tax (benefit) provision - at statutory tax rate |  | $ | (20,097) |  |  | $ | (13,916) |  |  | $ | (11,642) |
Differences in international tax rates |  | (6,341) |  |  | (9,921) |  |  | (8,950) |
Change in valuation allowances |  | 24,332 |  |  | 48,734 |  |  | 4,296 |
Nondeductible share-based compensation |  | 798 |  |  | 1,424 |  |  | 645 |
Unrealized tax benefits |  | 160 |  |  | 258 |  |  | 239 |
State and local taxes (net of federal) |  | (5,614) |  |  | (4,467) |  |  | 60 |
Nondeductible interest expense |  | 4,362 |  |  | 4,239 |  |  | 2,173 |
Orphan drug and R&D tax credit |  | 899 |  |  | — |  |  | (1,524) |
Other |  | 1,000 |  |  | (326) |  |  | (1,113) |
Income tax (benefit) provision - at effective income tax rate |  | $ | (501) |  |  | $ | 26,025 |  |  | $ | (15,816) |
Summary of Unrecognized Tax Benefits | The following table summarizes the activity related to the Company’s unrecognized tax benefits for the twelve months ended December 31:
Unrecognized Tax Benefit Activity |  | 2023 |  | 2022 |  | 2021
Balance at January 1: |  | $ | 3,143 |  |  | $ | 3,143 |  |  | $ | 3,143 |
Increases for tax positions of prior years |  | — |  |  | — |  |  | — |
Statute of limitations expiration |  | (108) |  |  | — |  |  | — |
Settlements |  | — |  |  | — |  |  | — |
Balance at December 31: |  | $ | 3,035 |  |  | $ | 3,143 |  |  | $ | 3,143 |
Schedule of Deferred Tax Assets and Liabilities | The net deferred tax assets (liabilities) at December 31, 2023 and 2022 resulted from the following temporary differences:
Net Deferred Tax Assets and Liabilities: |  | 2023 |  | 2022
Deferred tax assets: |  |  |  |
Net operating loss carryforwards |  | $ | 71,051 |  |  | $ | 53,393 |
Royalty income |  | 8,378 |  |  | — |
Share-based compensation |  | 7,347 |  |  | 4,684 |
Orphan drug and R&D tax credit |  | 4,065 |  |  | 4,964 |
Capitalized research costs |  | 1,738 |  |  | 2,108 |
Interest expense carryforward |  | 1,368 |  |  | 1,216 |
Other |  | 1,322 |  |  | 1,521 |
Amortization |  | 1,159 |  |  | 3,541 |
Gross deferred tax assets |  | 96,428 |  |  | 71,427 |
Deferred tax liabilities: |  |  |  |
Prepaid expenses |  | — |  |  | (86) |
Gross deferred tax liabilities |  | — |  |  | (86) |
Less: valuation allowances |  | (96,428) |  |  | (71,341) |
Net deferred tax assets |  | $ | — |  |  | $ | — |

X
- Definition Tabular disclosure of components of income before income tax. + References No definition available. + Details
Name: | avdl_ScheduleOfComponentsOfIncomeBeforeIncomeTaxTableTextBlock
Namespace Prefix: | avdl_
Data Type: | dtr-types1:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of scheduled payments of income tax. + References No definition available. + Details
Name: | avdl_ScheduleOfIncomeTaxPaymentsTableTextBlock
Namespace Prefix: | avdl_
Data Type: | dtr-types1:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_IncomeTaxDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Paragraph 2 -Section 50 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-2 + Details
Name: | us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Paragraph 12 -Section 50 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-12 + Details
Name: | us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the change in unrecognized tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 217 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482663/740-10-55-217 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15A -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-15A + Details
Name: | us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration