Annual report pursuant to Section 13 and 15(d)

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

v3.20.1
Goodwill and Other Intangible Assets - Finite-Lived Intangible Assets (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Finite-Lived Intangible Assets, Net [Abstract]    
Gross Carrying Amount $ 10,504 $ 10,475
Accumulated Amortization (10,251) (9,954)
Net Carrying Amount $ 253 521
Trade name    
Finite-Lived Intangible Assets, Net [Abstract]    
Weighted Average Useful Life (years) 4 years 7 months 6 days  
Gross Carrying Amount $ 649 648
Accumulated Amortization (649) (648)
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 (4,798) (4,763)
Net Carrying Amount $ 30 65
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 $ 4,604 4,576
Accumulated Amortization (4,381) (4,120)
Net Carrying Amount $ 223 456
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