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Note 6 - Supplemental Cash Flow Information (Tables)
3 Months Ended
May 31, 2017
Notes Tables  
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]
   
Three
Months Ended
 
   
May 31
,
 
Cash paid (received) for:
 
201
7
   
201
6
 
Interest
, net
  $
26,929
    $
35,045
 
Income taxes
   
349,250
     
217,123
 
Non-Cash Operating Activities                
Accrued Inventory
   
315,407
     
240,031
 
Non-Cash Financing Activities                
Dividend payable
  $
702,525
    $
699,009
 
Sale of assets and inventory to buyers for notes receivable:                
Long-lived assets
  $
-
    $
30,989