Annual report pursuant to Section 13 and 15(d)

Intangible assets, royalties, and goodwill - Intangible assets (Details)

v3.21.1
Intangible assets, royalties, and goodwill - Intangible assets (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]    
Estimated Useful Life 10 years 2 months 12 days  
Gross Carrying Amount $ 14,690 $ 14,690
Accumulated Amortization (1,575) (49)
Net Carrying Amount $ 13,115 14,641
Customer relationships    
Finite-Lived Intangible Assets [Line Items]    
Estimated Useful Life 7 years  
Gross Carrying Amount $ 7,190 7,190
Accumulated Amortization (1,059) (35)
Net Carrying Amount $ 6,131 7,155
Trade name    
Finite-Lived Intangible Assets [Line Items]    
Estimated Useful Life 15 years  
Gross Carrying Amount $ 7,500 7,500
Accumulated Amortization (516) (14)
Net Carrying Amount $ 6,984 $ 7,486