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FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) (USD $)
In Thousands, unless otherwise specified
6 Months Ended 12 Months Ended
Sep. 30, 2014
Mar. 31, 2014
Sep. 30, 2013
Assets :      
Money market funds $ 43,767 $ 54,267  
Total Gains (Losses) 0 0  
Liabilities :      
Contingent consideration 1,960   0
Total Gains (Losses) 0    
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
     
Assets :      
Money market funds 43,767 54,267  
Liabilities :      
Contingent consideration 0    
Significant Other Observable Inputs (Level 2) [Member]
     
Assets :      
Money market funds 0 0  
Liabilities :      
Contingent consideration 0    
Significant Unobservable Inputs (Level 3) [Member]
     
Assets :      
Money market funds 0 0  
Liabilities :      
Contingent consideration $ 1,960