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Valuation and Qualifying Accounts (Tables)
12 Months Ended
Mar. 31, 2015
Valuation And Qualifying Accounts Tables  
Schedule of Valuation Allowance for Impairment of Recognized Servicing Assets [Table Text Block]

SCHEDULE II
VALUATION AND QUALIFYING ACCOUNTS
(in thousands)

      Balance                  
      at     Additions           Balance
      Beginning     Charged to           at End
Description     of Year     Expenses     Deductions (a)     of Year
Total Allowance for Doubtful Accounts:                        
Year ended March 31, 2013:   $ 140    $ 639    $ (452)   $ 327 
Year ended March 31, 2014:   $ 327    $ 571    $ (432)   $ 466 
Year ended March 31, 2015:   $ 466    $ 279    $ (329)   $ 416 

(a) The deductions related to allowance for doubtful accounts represent accounts receivable which are written off.