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Segment Information (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Segment Reporting Information [Line Items]    
Total Assets $ 22,273us-gaap_Assets $ 8,170us-gaap_Assets [1]
Property & equipment, net 2,041us-gaap_PropertyPlantAndEquipmentNet 1,867us-gaap_PropertyPlantAndEquipmentNet [1]
Goodwill 12,461us-gaap_Goodwill 0us-gaap_Goodwill [1]
UNITED STATES    
Segment Reporting Information [Line Items]    
Total Assets 17,110us-gaap_Assets
/ us-gaap_StatementGeographicalAxis
= country_US		  
Property & equipment, net 23us-gaap_PropertyPlantAndEquipmentNet
/ us-gaap_StatementGeographicalAxis
= country_US		  
Goodwill 12,461us-gaap_Goodwill
/ us-gaap_StatementGeographicalAxis
= country_US		  
GERMANY    
Segment Reporting Information [Line Items]    
Total Assets 5,163us-gaap_Assets
/ us-gaap_StatementGeographicalAxis
= country_DE		  
Property & equipment, net 2,018us-gaap_PropertyPlantAndEquipmentNet
/ us-gaap_StatementGeographicalAxis
= country_DE		  
Goodwill $ 0us-gaap_Goodwill
/ us-gaap_StatementGeographicalAxis
= country_DE		  
[1] Derived from audited information