Quarterly report pursuant to sections 13 or 15(d)

Segment Geographic Information on Sales and Net Property and Equipment (Detail)

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Segment Geographic Information on Sales and Net Property and Equipment (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Mar. 31, 2013
Revenue, Major Customer [Line Items]      
Revenue from External Customers $ 5,092 $ 1,290  
Property and equipment, net 430 201 148
North America
     
Revenue, Major Customer [Line Items]      
Revenue from External Customers 49 24  
Property and equipment, net 91   77
Europe Middle East Africa
     
Revenue, Major Customer [Line Items]      
Revenue from External Customers 1,376 1,263  
Property and equipment, net 72   71
Asia Pacific
     
Revenue, Major Customer [Line Items]      
Revenue from External Customers 3,666 3  
Property and equipment, net $ 267   $ 0