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Subsidiary Bankruptcy and Deconsolidation (Details) - USD ($)
3 Months Ended 9 Months Ended
Apr. 26, 2019
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Oct. 02, 2019
Jul. 02, 2019
Feb. 08, 2019
Business Acquisition, Contingent Consideration [Line Items]                
Gain (loss) on deconsolidation of subsidiary   $ 0 $ 0 $ (2,840,000) $ 0      
DIP Credit Agreement | Debtor in Possession Credit and Security Facility                
Business Acquisition, Contingent Consideration [Line Items]                
Gain (loss) on deconsolidation of subsidiary   (407,000)            
Payments for debtor in possession financing   407,000            
Speciality Pharama                
Business Acquisition, Contingent Consideration [Line Items]                
Aggregate cash proceeds of intangible assets and remaining inventory $ 250,000              
Speciality Pharama | Internal Revenue Service (IRS)                
Business Acquisition, Contingent Consideration [Line Items]                
Bankruptcy claims, amount of filed claims likely to be denied             $ 50,695,000  
Speciality Pharama | Internal Revenue Service (IRS) | Subsequent Event                
Business Acquisition, Contingent Consideration [Line Items]                
Bankruptcy claims, amount of filed claims likely to be denied           $ 9,302,000    
Speciality Pharama | DIP Credit Agreement | Debtor in Possession Credit and Security Facility                
Business Acquisition, Contingent Consideration [Line Items]                
DIP financing, amount arranged               $ 2,700,000
Specialty Pharma                
Business Acquisition, Contingent Consideration [Line Items]                
Equity method investments, fair value   $ 0   $ 0