XML 22 R31.htm IDEA: XBRL DOCUMENT v3.3.0.814
Intangible Assets - Schedule of Intangible Assets (Detail) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Finite-Lived Intangible Assets [Line Items]          
Beginning Balance     $ 12,819    
Additions-Other     106    
Net foreign currency translation     (21)    
Amortization expense $ (1,091) $ (1,143) (3,348) $ (3,392)  
Ending Balance 9,556   9,556    
September 30, 2015 balance at cost         $ 31,678
Accumulated amortization         (22,122)
Ending Balance 9,556   9,556   9,556
Capitalized Technology [Member]          
Finite-Lived Intangible Assets [Line Items]          
Beginning Balance     10,216    
Additions-Other     0    
Net foreign currency translation     (7)    
Amortization expense     (3,065)    
Ending Balance 7,144   7,144    
September 30, 2015 balance at cost         28,033
Accumulated amortization         (20,889)
Ending Balance 7,144   7,144   7,144
Patents and Trademarks [Member]          
Finite-Lived Intangible Assets [Line Items]          
Beginning Balance     1,929    
Additions-Other     106    
Net foreign currency translation     0    
Amortization expense     (114)    
Ending Balance 1,921   1,921    
September 30, 2015 balance at cost         2,539
Accumulated amortization         (618)
Ending Balance 1,921   1,921   1,921
Other [Member]          
Finite-Lived Intangible Assets [Line Items]          
Beginning Balance     674    
Additions-Other     0    
Net foreign currency translation     (14)    
Amortization expense     (169)    
Ending Balance 491   491    
September 30, 2015 balance at cost         1,106
Accumulated amortization         (615)
Ending Balance $ 491   $ 491   $ 491