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Interest Rate Swap Agreements (Tables)
12 Months Ended
Mar. 31, 2015
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of locations and amounts of (gains) losses recognized in income
     2015      2014  

Periodic change in fair value of interest rate swap agreements

   $ (364,378    $ 688,455   

Periodic settlement differentials included in interest expense

     (392,797      (383,028
  

 

 

    

 

 

 

(Loss) gain recognized in income

$ (757,175 $ 305,427   
  

 

 

    

 

 

 
Schedule of variable rates received and average fixed rates paid under the swap agreements
     2015     2014  

Average variable rate received

     0.16     0.18

Average fixed rate paid

     0.94     0.94