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FINANCING AGREEMENTS (Tables)
 12 Months Ended
Dec. 31, 2013
FINANCING AGREEMENTS  
Summary of long-term debt balances
Description
  2013   2012  

Term notes payable—Wells Fargo Bank, N.A.

              

Real estate term notes bearing interest at three month LIBOR + 2.75% (approx. 3.0%), maturing May 31, 2027, and December 31, 2017 with combined monthly payments of approximately $19,000 plus interest, secured by substantially all assets. 

   $ 3,105,627   $ 1,707,894  

Equipment notes bearing interest at three month LIBOR + 3.25% (approx. 3.5%) maturing May 2015 with a combined monthly payments of approximately $27,000 plus interest, secured by substantially all assets

     1,333,463     1,091,110  

Industrial revenue bond payable to the City of Blue Earth, Minnesota which bears a variable interest rate (approx. 0.3% at December 31, 2013), and has a maturity date of June 1, 2021, with principal of $80,000 payable annually on June 1

     440,000     520,000  
           
​ ​ ​ ​ ​ ​ ​ ​

Total long-term debt

     1,333,463     1,091,110  

Current maturities of long-term debt

     (632,176 )   (453,105 )
           
​ ​ ​ ​ ​ ​ ​ ​

Long-term debt—net of current maturities

   $ 701,287   $ 638,005  
           
​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​
           
Schedule of future maturity requirements for long-term debt
Years Ending December 31,
  Amount  

2014

   $ 632,176  

2015

     640,093  

2016

     537,176  

2017

     537,176  

2018

     310,067  

Future

     2,222,402  
       
​ ​ ​ ​ ​

 

   $ 4,879,090  
       
​ ​ ​ ​ ​
​ ​ ​ ​ ​