Annual report pursuant to Section 13 and 15(d)

Goodwill and Intangible Assets (Details)

v3.20.4
Goodwill and Intangible Assets (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Finite Lived Intangible Assets [Line Items]    
Gross Carrying Value $ 14,190 $ 26,087
Accumulated Amortization 724 4,261
Net Book Value $ 13,466 $ 21,826
Trademarks [Member]    
Finite Lived Intangible Assets [Line Items]    
Estimated Useful Life (in years) 10 years 10 years
Gross Carrying Value $ 1,415 $ 3,132
Accumulated Amortization 156 913
Net Book Value $ 1,259 $ 2,219
Patents [Member]    
Finite Lived Intangible Assets [Line Items]    
Estimated Useful Life (in years) 20 years 20 years
Gross Carrying Value $ 12,775 $ 22,955
Accumulated Amortization 568 3,348
Net Book Value $ 12,207 $ 19,607