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Accounts Receivable (Tables)
12 Months Ended
Mar. 31, 2012
Accounts Receivable [Abstract]  
Schedule Of Accounts Receivable
    March 31,  
    2012     2011  
Accounts receivable (billed) $ 16,240   $ 10,938  
Accounts receivable (unbilled)   2,811     5,004  
Less: Allowance for doubtful accounts   (52 )   (683 )
Accounts receivable, net $ 18,999   $ 15,259