Accounts Receivable (Tables)
 3 Months Ended
Jun. 30, 2012
Accounts Receivable
    June 30,     March 31,  
    2012     2012  
             
Billed   $ 590     $ 709  
Unbilled     537       589  
Less: allowance for doubtful accounts     (108 )     (108 )
                 
Net Accounts receivable   $ 1,019     $ 1,190