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Note 11 - Geographic And Segment Information
 3 Months Ended
Nov. 30, 2013
Segment Reporting [Abstract]  
Segment Reporting Disclosure [Text Block]
11. 
GEOGRAPHIC AND SEGMENT INFORMATION

Net sales by geographic location as a percentage of total consolidated net sales for the three months ended November 30, 2013 and 2012 were as follows:

   
Three Months Ended
 
   
November 30, 2013
   
November 30, 2012
 
Inside the U.S.A. to unaffiliated customers
    71.1 %     71.2 %
Outside the U.S.A. to:
               
Joint ventures in which the Company is a shareholder directly and indirectly
    10.6       15.3  
Unaffiliated customers
    18.3       13.5  
      100.0 %     100.0 %

Net sales by geographic location are based on the location of the customer.

Fees for services provided to joint ventures by geographic location as a percentage of total fees for services provided to joint ventures during the three months ended November 30, 2013 and 2012 were as follows:

   
Three Months Ended November 30,
 
   
2013
   
% of Total Fees
for Services
Provided to
Joint Ventures
   
2012
   
% of Total Fees for
Services Provided
to Joint Ventures
 
China*
  $ 588,182       27.9 %   $ 493,312       26.7 %
Germany
    263,555       12.5 %     242,700       13.1 %
Japan
    173,282       8.2 %     201,981       10.9 %
Poland
    164,567       7.8 %     111,472       6.0 %
Korea*
    161,424       7.7 %     138,742       7.5 %
Thailand*
    152,558       7.2 %     153,687       8.3 %
France
    128,103       6.1 %     128,502       7.0 %
Sweden
    109,970       5.2 %     86,992       4.7 %
Finland
    105,202       5.0 %     87,851       4.8 %
United Kingdom
    74,697       3.5 %     67,058       3.6 %
Other
    188,108       8.9 %     133,980       7.4 %
    $ 2,109,648       100.0 %   $ 1,846,277       100.0 %

* 
Joint venture owned by NTI Asean.

The following table sets forth the Company’s net sales for the three months ended November 30, 2013 and 2012 by segment:

   
Three Months Ended
 
   
November 30, 2013
   
November 30, 2012
 
ZERUST® sales
  $ 5,749,013     $ 4,795,283  
Natur-Tec® sales
    560,087       496,464  
Total Net sales
  $ 6,309,100     $ 5,291,747  

The following table sets forth the Company’s cost of goods sold for the three months ended November 30, 2013 and 2012 by segment:

   
November 30,
2013
   
% of
Product
Sales*
   
November 30,
2012
   
% of
Product
Sales*
 
Direct cost of goods sold
                       
ZERUST®
  $ 3,081,764       53.6 %   $ 2,644,295       55.1 %
Natur-Tec®
    449,464       80.3 %     439,673       88.6 %
Indirect cost of goods sold
    626,803    
NA
      607,004    
NA
 
Total net cost of goods sold
  $ 4,158,031             $ 3,690,972          

*
The percent of segment sales is calculated by dividing the direct cost of goods sold for each individual segment category by the net sales for each segment category.

The Company utilizes product net sales and direct and indirect cost of goods sold for each product in reviewing the financial performance of a product type.  Further allocation of Company expenses or assets, aside from amounts presented in the tables above, is not utilized in evaluating product performance, nor does such allocation occur for internal financial reporting.

Sales to the Company’s joint ventures are included in the foregoing geographic and segment information; however, sales by the Company’s joint ventures to other parties are not included.  The foregoing geographic and segment information represents only sales and cost of goods sold recognized directly by the Company.

The geographical distribution of key financial statement data is as follows:

   
At November 30,
2013
   
At August 31,
2013
 
Brazil
  $ 1,538,423     $ 1,419,543  
North America
  $ 50,239,583     $ 47,634,406  
Total assets
  $ 51,778,006     $ 49,053,949  

   
Three Months Ended
 
   
November 30,
2013
   
November 30,
2012
 
Brazil
  $ 602,362     $ 551,814  
North America
    5,706,738       4,739,933  
Total Net sales
  $ 6,309,100     $ 5,291,747  

   
Three Months Ended
 
   
November 30,
2013
   
November 30,
2012
 
Brazil
  $ (56,809 )   $ (23,148 )
North America
    1,571,109       896,812  
Total operating income
  $ 1,514,299     $ 873,664  

Total assets located in Brazil primarily consist of cash and cash equivalents, customer receivables and inventory.  These assets are periodically reviewed to assure the net realizable value from the estimated future production based on forecasted sales exceeds the carrying value of the assets.