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Business Combinations - Additional Information (Detail) (USD $)
0 Months Ended
Dec. 31, 2013
Hart Systems LLC [Member]
Dec. 18, 2013
Hart Systems LLC [Member]
Jul. 13, 2012
Laserband LLC [Member]
Dec. 21, 2012
StepOne Systems [Member]
Business Acquisition [Line Items]        
Escrow balance established against the total purchase price   $ 9,402,500    
Cash acquired in business combination   95,669,326 59,874,000 1,543,000
Business acquisition goodwill amount 60,858,000   24,353,000  
Business acquisition intangible assets 37,200,000   29,560,000  
Cash Acquired from Acquisition     $ 1,431,000 $ 110,000