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Other Intangible Assets (Tables)
 12 Months Ended
Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]  
Summary of Other Intangible Assets Net Consisting of Product Rights and Licenses
Other intangible assets, net, consisting of product rights and licenses are summarized as follows:
December 31, 2020Gross Carrying
Value		Accumulated
Amortization		Intangible Assets,
net		Weighted average
Useful Life
Product rights$6,050 $(6,050)$— 
BELBUCA license and distribution rights45,000 (18,000)27,000 6
Symproic license and distribution rights30,636 (4,260)26,376 10.8
Total intangible assets$81,686 $(28,310)$53,376 7.94
December 31, 2019Gross Carrying
Value		Accumulated
Amortization		Intangible Assets,
net		Weighted average
Useful Life
Product rights$6,050 $(6,003)$47 0.08
BELBUCA license and distribution rights45,000 (13,500)31,500 7.00
Symproic license and distribution rights30,636 (1,827)28,809 11.83
Total intangible assets$81,686 $(21,330)$60,356 8.30
Schedule Estimated Aggregate Future Amortization Expenses for Other Intangible Assets Estimated aggregate future amortization expenses for other intangible assets for each of the next five years and thereafter are as follows:
Years ending December 31,
2021$6,935 
20226,935 
20236,935 
20246,935 
20256,935 
Thereafter18,702 
53,376