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Note 18 - Fair Value of Financial Instruments (Tables)
12 Months Ended
Jan. 31, 2015
Notes Tables  
Fair Value, Liabilities Measured on Recurring Basis [Table Text Block]
 
 
2015
 
 
2014
 
 
 
CARRYING AMOUNT
 
 
FAIR VALUE
 
 
CARRYING AMOUNT
 
 
FAIR VALUE
 
Mortgage notes payable
  $ 19,121,736     $ 19,151,309     $ 18,746,571     $ 18,642,765  
                                 
Notes payable to banks
  $ 1,226,626     $ 1,226,626     $ 1,018,925     $ 1,018,925  
                                 
Other notes payable
  $ 525,670     $ 432,916     $ 187,567     $ 181,454