Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Other Intangible Assets (Details)

v3.5.0.2
Goodwill and Other Intangible Assets (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jan. 01, 2015
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Dec. 31, 2015
Amortizable intangible assets            
Gross Carrying Amount   $ 34,846   $ 34,846   $ 34,846
Accumulated Amortization   (24,670)   (24,670)   (22,959)
Net Carrying Amount   10,176   10,176   11,887
Amortization expense   852 $ 691 1,700 $ 1,500  
Estimated future amortization expense            
Remainder of 2016   1,689   1,689    
2017   3,347   3,347    
2018   2,529   2,529    
2019   1,742   1,742    
2020   869   869    
Patents            
Amortizable intangible assets            
Gross Carrying Amount   10,823   10,823   10,823
Accumulated Amortization   (7,661)   (7,661)   (6,872)
Net Carrying Amount   3,162   3,162   3,951
Patents | Skyhook            
Amortizable intangible assets            
Useful life 3 years 6 months          
Tradename            
Amortizable intangible assets            
Gross Carrying Amount   2,838   2,838   2,838
Accumulated Amortization   (1,341)   (1,341)   (1,154)
Net Carrying Amount   1,497   1,497   1,684
Capitalized software            
Amortizable intangible assets            
Gross Carrying Amount   10,973   10,973   10,973
Accumulated Amortization   (10,910)   (10,910)   (10,857)
Net Carrying Amount   63   63   116
Capitalized software | Skyhook | Minimum            
Amortizable intangible assets            
Useful life 3 years          
Capitalized software | Skyhook | Maximum            
Amortizable intangible assets            
Useful life 5 years          
Customer relationships            
Amortizable intangible assets            
Gross Carrying Amount   10,212   10,212   10,212
Accumulated Amortization   (4,758)   (4,758)   (4,076)
Net Carrying Amount   $ 5,454   $ 5,454   $ 6,136
Tradename and customer relationships [member] | Skyhook            
Amortizable intangible assets            
Useful life 5 years 6 months