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FAIR VALUE DISCLOSURES (Tables)
9 Months Ended
Oct. 31, 2012
FAIR VALUE DISCLOSURES [Abstract]  
Estimated fair value and carrying amount of debt
The estimated fair value and carrying amount of debt were as follows:

   
October 31,
  
January 31,
 
   
2012
  
2012
 
Fair value
 $3,139,492  $3,747,061 
Carrying amount
  2,761,024   3,345,187 
Summary of basis used to measure financial assets (liabilities) at fair value on a recurring basis
The following tables summarize the basis used to measure the Company's financial assets (liabilities) at fair value on a recurring basis in the consolidated balance sheets.

      
Quoted Prices
       
      
in Active
       
      
Markets for
  
Significant
  
Significant
 
      
Identical
  
Observable
  
Unobservable
 
   
Balance at
  
Assets
  
Inputs
  
Inputs
 
   
October 31, 2012
  
(Level 1)
  
(Level 2)
  
(Level 3)
 
Cash and cash equivalents
 $31,842,244  $31,842,244  $-  $- 
Short-term investments
  1,022,266   1,022,266   -   - 
Cash surrender value -  life insurance policies
  1,350,158   -   1,350,158   - 
Interest rate swap agreement
  (336,063 )  -   (336,063)  - 
   $33,878,605  $32,864,510  $1,014,095  $- 

      
Quoted Prices
       
      
in Active
       
      
Markets for
  
Significant
  
Significant
 
      
Identical
  
Observable
  
Unobservable
 
   
Balance at
  
Assets
  
Inputs
  
Inputs
 
   
January 31, 2012
  
(Level 1)
  
(Level 2)
  
(Level 3)
 
Cash and cash equivalents
 $34,581,394  $34,581,394  $-  $- 
Short-term investments
  764,061   764,061   -   - 
Long-term investments
  494,537   494,537   -   - 
Cash surrender value -  life insurance policies
  1,089,989   -   1,089,989   - 
Interest rate swap agreement
  (366,286 )  -   (366,286 )  - 
   $36,563,695  $35,839,992  $723,703  $-