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Segment Information (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Segment Reporting Information [Line Items]    
Total Assets $ 21,841 $ 8,170 [1]
Property & equipment, net 2,097 1,867 [1]
Goodwill 12,461 0 [1]
United States [Member]
   
Segment Reporting Information [Line Items]    
Total Assets 13,610  
Property & equipment, net 18  
Goodwill 12,461  
Germany [Member]
   
Segment Reporting Information [Line Items]    
Total Assets 8,231  
Property & equipment, net 2,079  
Goodwill $ 0  
[1] Derived from audited information