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Note 18 - Supplemental Cash Flow Disclosures (Tables)
 12 Months Ended
Jan. 31, 2013
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]
   
2013
   
2012
 
Cash paid for interest
 
$
961,709
   
$
1,527,507
 
                 
Promissory notes issued by the Trust to acquire Class A Partnership units
 
$
15,500
   
$
129,656
 
                 
Promissory notes issued by the Trust to acquire Shares of Beneficial Interest
 
$
8,000
   
$
125,017