Annual report pursuant to Section 13 and 15(d)

Goodwill and Other Intangible Assets - Finite-Lived Intangible Assets (Details)

v3.21.1
Goodwill and Other Intangible Assets - Finite-Lived Intangible Assets (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Finite-Lived Intangible Assets, Net [Abstract]    
Gross Carrying Amount $ 10,538 $ 10,504
Accumulated Amortization (10,427) (10,251)
Net Carrying Amount $ 111 253
Trade name    
Finite-Lived Intangible Assets, Net [Abstract]    
Weighted Average Useful Life (years) 4 years 7 months 6 days  
Gross Carrying Amount $ 651 649
Accumulated Amortization (651) (649)
Net Carrying Amount $ 0 0
Acquired technology    
Finite-Lived Intangible Assets, Net [Abstract]    
Weighted Average Useful Life (years) 5 years 1 month 6 days  
Gross Carrying Amount $ 4,828 4,828
Accumulated Amortization (4,821) (4,798)
Net Carrying Amount $ 7 30
In-process research and development    
Finite-Lived Intangible Assets, Net [Abstract]    
Weighted Average Useful Life (years) 5 years  
Gross Carrying Amount $ 94 94
Accumulated Amortization (94) (94)
Net Carrying Amount $ 0 0
Customer relationships    
Finite-Lived Intangible Assets, Net [Abstract]    
Weighted Average Useful Life (years) 5 years 8 months 12 days  
Gross Carrying Amount $ 4,636 4,604
Accumulated Amortization (4,532) (4,381)
Net Carrying Amount $ 104 223
Order backlog    
Finite-Lived Intangible Assets, Net [Abstract]    
Weighted Average Useful Life (years) 1 year 6 months  
Gross Carrying Amount $ 329 329
Accumulated Amortization (329) (329)
Net Carrying Amount $ 0 $ 0