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Note 2 - Notes Payable and Long-term Debt (Tables)
9 Months Ended
Sep. 30, 2016
Notes Tables  
Schedule of Debt [Table Text Block]
 
 
September 30,
2016
 
 
December
31,
2015
 
Business Loan Agreement with BOKF, NA – collateralized by real estate; payable as follows:
               
Line of Credit Note, as amended, in the maximum principal amount of $15,000,000 with features as more fully described above – interest due monthly at LIBOR plus 1.85%; matures September 18, 2021
  $ 7,371,729     $ 3,711,225  
                 
Line of Credit Note, as amended, in the maximum principal amount of $6,000,000 with revolving features as more fully described above – interest due monthly at LIBOR plus 1.85%; matures September 18, 2018
    -       -  
    $ 7,371,729     $ 3,711,225  
Less current maturities
    153,578       231,952  
    $ 7,218,151     $ 3,479,273