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Concentrations (Schedule Of Revenue By Major Customers) (Details)
12 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2012
Customer A [Member]
     
Revenue, Major Customer [Line Items]      
Percentage of Revenue 19.00% 15.00% 14.00%
Customer B [Member]
     
Revenue, Major Customer [Line Items]      
Percentage of Revenue 17.00% 14.00%  
Customer C [Member]
     
Revenue, Major Customer [Line Items]      
Percentage of Revenue 15.00% 16.00% [1] 16.00%
Customer D [Member]
     
Revenue, Major Customer [Line Items]      
Percentage of Revenue 10.00%    
[1] Less than 10%