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Payment Obligations To Former Related Party Liability (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Related Party Transaction [Line Items]    
Total $ 13,925 $ 6,022
Hirsch Electronics | Related Party
   
Related Party Transaction [Line Items]    
2014 (remaining three months) 281  
2015 1,159  
2016 1,205  
2017 1,253  
2018 1,304  
Thereafter 3,248  
Present value discount factor (2,134)  
Total $ 6,316