Quarterly report pursuant to Section 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 6 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Mar. 31, 2014
Revenue, Major Customer [Line Items]          
Net revenues $ 5,462 $ 6,759 $ 11,016 $ 11,543  
Property and equipment, net 422   422   465
North America
         
Revenue, Major Customer [Line Items]          
Net revenues     592    
Property and equipment, net 65   65   68
EMEA
         
Revenue, Major Customer [Line Items]          
Net revenues     1,358 2,266  
Property and equipment, net 36   36   70
Asia Pacific
         
Revenue, Major Customer [Line Items]          
Net revenues     9,066 9,277  
Property and equipment, net $ 321   $ 321   $ 327