Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets - Schedule of Intangible Assets Net (Details)

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Intangible Assets - Schedule of Intangible Assets Net (Details) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2019
Goodwill and Intangible Assets Disclosure [Abstract]                
Intangible assets, gross $ 94,065     $ 8,297        
Capitalized patent costs not yet subject to amortization 817     469        
Intangible assets subject to amortization, gross 93,248     7,828        
Accumulated amortization (7,402)     (6,496)       $ (5,996)
Amortization (657) $ (125) $ (124) (125) $ (125) $ (125) $ (125)  
Intangible assets subject to amortization, net 85,846     1,332        
Total intagible assets, net $ 86,663     $ 1,801