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Note 14 - Supplemental Cash Flow Information
3 Months Ended
Nov. 30, 2017
Notes to Financial Statements  
Cash Flow, Supplemental Disclosures [Text Block]
14.
       
SUPPLEMENTAL CASH FLOW INFORMATION
 
Supplemental disclosures of cash flow information consisted of:
   
Three Months Ended
 
   
November 30,

2017
 
November 30,

2016
 
   Cash paid for interest   $
5,089
 
  $
4,623
 
 
   Cash paid for income taxes    
 
   
 
 
 
Non-cash financing activity consisted of:
    Three Months Ended  
    November 30,
2017
  November 30,
2016
 
   Dividends declared, not paid   $
454,741