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BUSINESS SEGMENT (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
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Sep. 30, 2011
Mar. 31, 2012
BUSINESS SEGMENT          
Number of reportable segments     1    
Business segment          
Net revenue $ 3,156 $ 3,529 $ 6,440 $ 6,703  
Long-lived assets 27,078   27,078   27,373
North America
         
Business segment          
Net revenue 2,366 2,335 4,631 4,498  
Long-lived assets 26,638   26,638   26,899
Europe/Africa
         
Business segment          
Net revenue 790 1,194 1,809 2,205  
Long-lived assets $ 440   $ 440   $ 474