Quarterly report pursuant to Section 13 or 15(d)

Acquisitions - Schedule of Intangible Assets Acquired (Details)

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Acquisitions - Schedule of Intangible Assets Acquired (Details) - Avadel - USD ($)
 3 Months Ended
Feb. 16, 2018
Jun. 30, 2018
Business Acquisition [Line Items]    
Identifiable Intangible Assets: $ 18,291,000  
Intangible assets   $ 1,838,000
Karbinal | Acquired product marketing rights    
Business Acquisition [Line Items]    
Identifiable Intangible Assets: $ 6,200,000  
Acquired finite-lived intangible assets, weighted average useful life (in years) 16 years  
Intangible assets   (21,000)
AcipHex | Acquired product marketing rights    
Business Acquisition [Line Items]    
Identifiable Intangible Assets: $ 2,803,000  
Acquired finite-lived intangible assets, weighted average useful life (in years) 10 years  
Intangible assets   283,000
Cefaclor | Acquired product marketing rights    
Business Acquisition [Line Items]    
Identifiable Intangible Assets: $ 7,611,000  
Acquired finite-lived intangible assets, weighted average useful life (in years) 7 years  
Intangible assets   1,320,000
Flexichamber | Developed Technology Rights    
Business Acquisition [Line Items]    
Identifiable Intangible Assets: $ 1,677,000  
Acquired finite-lived intangible assets, weighted average useful life (in years) 10 years  
Intangible assets   546,000
LiquiTime Process | In Process Research and Development    
Business Acquisition [Line Items]    
Identifiable Intangible Assets: $ 0  
Intangible assets   $ (290,000)
Previously Reported    
Business Acquisition [Line Items]    
Identifiable Intangible Assets: 16,453,000  
Previously Reported | Karbinal | Acquired product marketing rights    
Business Acquisition [Line Items]    
Identifiable Intangible Assets: 6,221,000  
Previously Reported | AcipHex | Acquired product marketing rights    
Business Acquisition [Line Items]    
Identifiable Intangible Assets: 2,520,000  
Previously Reported | Cefaclor | Acquired product marketing rights    
Business Acquisition [Line Items]    
Identifiable Intangible Assets: 6,291,000  
Previously Reported | Flexichamber | Developed Technology Rights    
Business Acquisition [Line Items]    
Identifiable Intangible Assets: 1,131,000  
Previously Reported | LiquiTime Process | In Process Research and Development    
Business Acquisition [Line Items]    
Identifiable Intangible Assets: $ 290,000