Annual report pursuant to Section 13 and 15(d)

Goodwill and Other Intangible Assets (Details)

v3.3.1.900
Goodwill and Other Intangible Assets (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Non-amortizable intangible assets        
Goodwill $ 6,497 $ 27,166    
Amortizable intangible assets        
Gross Carrying Amount 34,846 32,813    
Accumulated Amortization (22,959) (19,898)    
Net Carrying Amount 11,887 12,915    
Amortization expense 3,100 6,500 $ 1,400  
Estimated future amortization expense        
2016 3,412      
2017 3,335      
2018 2,529      
2019 1,742      
2020 $ 869      
Minimum        
Amortizable intangible assets        
Useful life 3 years      
Maximum        
Amortizable intangible assets        
Useful life 5 years 6 months      
TruePosition        
Non-amortizable intangible assets        
Goodwill $ 6,497 27,166   $ 20,669
Patents        
Amortizable intangible assets        
Gross Carrying Amount 10,823 8,822    
Accumulated Amortization (6,872) (5,801)    
Net Carrying Amount $ 3,951 3,021    
Patents | Maximum        
Amortizable intangible assets        
Useful life 3 years 6 months      
Patents | TruePosition | Minimum        
Amortizable intangible assets        
Useful life 3 years      
Tradename        
Amortizable intangible assets        
Gross Carrying Amount $ 2,838 2,788    
Accumulated Amortization (1,154) (788)    
Net Carrying Amount 1,684 2,000    
Capitalized software        
Amortizable intangible assets        
Gross Carrying Amount 10,973 10,991    
Accumulated Amortization (10,857) (10,597)    
Net Carrying Amount $ 116 394    
Capitalized software | TruePosition | Minimum        
Amortizable intangible assets        
Useful life 3 years      
Capitalized software | TruePosition | Maximum        
Amortizable intangible assets        
Useful life 5 years      
Customer relationships        
Amortizable intangible assets        
Gross Carrying Amount $ 10,212 10,212    
Accumulated Amortization (4,076) (2,712)    
Net Carrying Amount $ 6,136 $ 7,500    
Tradename and customer relationships [member] | TruePosition        
Amortizable intangible assets        
Useful life 5 years 6 months