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FAIR VALUE DISCLOSURES (Tables)
6 Months Ended
Jul. 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:

   
July 31,
 January 31,
   
2012
  
2012
 
Fair value
 
$3,443,543
  
$3,747,061
 
Carrying amount
 
3,047,004
  
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
 
July 31, 2012
 
 (Level 1)
 
(Level 2)
 
 (Level 3)
Cash and cash equivalents
$31,173,910
 
$31,173,910
 
$-
 
$-
Short-term investments
1,022,266
 
1,022,266
 
-
 
-
Long-term investments
246,473
 
246,473
 
-
 
-
Cash surrender value -  life insurance policies
1,147,287
 
-
 
1,147,287
 
-
Interest rate swap agreement
(357,167
)
-
 
(357,167
)
-
 
$33,232,769
 
$32,442,649
 
$790,120
 
$-
 
 
     
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
 
$-