Quarterly report pursuant to Section 13 or 15(d)

Acquisitions - Narrative (Details)

Acquisitions - Narrative (Details)						3 Months Ended	39 Months Ended	63 Months Ended
Acquisitions - Narrative (Details)	Mar. 31, 2019 USD ($) $ / shares	Sep. 25, 2018 shares	Sep. 24, 2018 USD ($) therapy milestone $ / shares shares	Feb. 16, 2018 USD ($)	Nov. 17, 2017 USD ($) shares	Jun. 30, 2018 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2018 USD ($) $ / shares	Aug. 17, 2018 $ / shares	Mar. 31, 2018 USD ($)
Business Acquisition [Line Items]
Common stock, par value (in dollars per share) \| $ / shares	$ 0.001		$ 0.001						$ 0.001	$ 0.001
Fair value of debt assumed	$ 0										$ 15,075,000
Goodwill	16,411,123								$ 16,411,123
Impairment of intangible assets						$ 1,900,000
Avadel
Business Acquisition [Line Items]
Cash payment to acquire business				$ 1
Fair value of debt assumed				15,075,000
Contingent consideration				7,900,000
Goodwill				$ 3,778,001
Goodwill tax deductible period				15 years
TRx
Business Acquisition [Line Items]
Cash payment to acquire business					$ 18,900,000
Contingent consideration					1,366,633
Goodwill					$ 12,633,122
Unregistered shares of common stock issued or issuable as part of acquisition (in shares) \| shares					7,534,884
Shares issued for purchase of business (in shares)					$ 8,514,419
Shares issued upon closing (in shares) \| shares					5,184,920
Contingent shares issuable as part of acquisition (in shares) \| shares					2,349,968
Goodwill, expected tax deductible amount					$ 8,700,000
Nonrecurring \| Level 3 \| PAI sales and marketing agreement \| TRx
Business Acquisition [Line Items]
Fair value of sales and marketing agreement						$ 0
Ichorion
Business Acquisition [Line Items]
Consideration issued (in shares) \| shares		5,800,000	5,800,000
Contingent consideration			$ 15,000,000
Fair value of shares issued			20,000,000
Intangible assets			18,700,000
Cash acquired			$ 1,600,000
Number of preclinical therapies \| therapy			3
Transaction costs			$ 200,000
Number of contingent consideration milestones \| milestone			3
Payment for asset acquisition contingent consideration liability	0
Ichorion \| Assembled Workforce
Business Acquisition [Line Items]
Intangible assets			$ 200,000
Useful life (in years)			2 years
Milestone One \| TRx
Business Acquisition [Line Items]
Contingent consideration					3,000,000				$ 0
Milestone One \| Scenario, Forecast \| Ichorion
Business Acquisition [Line Items]
Payment for asset acquisition contingent consideration liability							$ 6,000,000
Milestone Two \| TRx
Business Acquisition [Line Items]
Contingent consideration	900,000				2,000,000
Milestone Two \| Scenario, Forecast \| Ichorion
Business Acquisition [Line Items]
Payment for asset acquisition contingent consideration liability							$ 5,000,000
Milestone Three \| TRx
Business Acquisition [Line Items]
Contingent consideration	$ 400,000				$ 2,000,000
Milestone Three \| Scenario, Forecast \| Ichorion
Business Acquisition [Line Items]
Payment for asset acquisition contingent consideration liability								$ 4,000,000