Quarterly report pursuant to Section 13 or 15(d)

Intangible assets, royalties and goodwill, Estimated Future Amortization of Amortizable Intangible Assets (Details)

v3.20.1
Intangible assets, royalties and goodwill, Estimated Future Amortization of Amortizable Intangible Assets (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Mar. 31, 2019
Intangible assets, royalties and goodwill [Abstract]      
Weighted average remaining useful life 10 years    
Estimated Future Amortization of Amortizable Intangible Assets [Abstract]      
Remainder of 2020 $ 1,169    
2021 1,551    
2022 1,551    
2023 1,551    
2024 1,551    
Thereafter 6,886    
Net carrying amount $ 14,259 $ 14,641 $ 0