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Note 12 - Geographic and Segment Information
 12 Months Ended
Aug. 31, 2014
Segment Reporting [Abstract]  
Segment Reporting Disclosure [Text Block]
12.           GEOGRAPHIC AND SEGMENT INFORMATION

Net sales by geographic location as a percentage of total consolidated net sales were as follows:

   
Fiscal Year Ended August 31,
 
   
2014
   
2013
 
Inside the U.S.A. to unaffiliated customers
    66.2 %     70.7 %
Outside the U.S.A. to:
               
Joint ventures in which the Company is a shareholder directly and indirectly
    12.7 %     13.4 %
Unaffiliated customers
    21.1 %     15.9 %
      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 fiscal 2014 and fiscal 2013 were as follows:

   
Fiscal 2014
   
% of Total Fees
for Services
Provided to Joint
Ventures in Fiscal
2014
   
Fiscal 2013
   
% of Total Fees
for Services
Provided to Joint
Ventures in
Fiscal 2013
 
China
  $ 2,118,018       26.0 %   $ 2,063,369       28.1 %
Germany
    1,032,234       12.7 %     1,004,958       13.7 %
Japan
    669,522       8.2 %     723,977       9.8 %
Poland
    652,291       8.0 %     525,282       7.1 %
Thailand
    604,316       7.4 %     621,807       8.4 %
France
    508,705       6.2 %     496,897       6.8 %
Sweden
    440,117       5.4 %     415,547       5.7 %
United Kingdom
    385,294       4.7 %     236,125       3.2 %
India
    364,918       4.5 %     —       0.0 %
Finland
    355,391       4.4 %     321,256       4.4 %
Korea
    315,916       3.9 %     393,307       5.3 %
Czech
    288,367       3.6 %     210,827       2.9 %
Other
    407,775       5.0 %     339,628       4.6 %
    $ 8,142,863       100.0 %   $ 7,352,980       100.0 %

The following table sets forth the Company’s net sales for fiscal 2014 and fiscal 2013 by segment:

   
Fiscal 2014
   
Fiscal 2013
   
$
Change
   
%
Change
 
ZERUST® net sales
  $ 23,845,288     $ 20,457,198     $ 3,388,090       16.6 %
Natur-Tec® net sales
    2,980,820       2,044,666       936,154       45.8 %
Total net sales
  $ 26,826,108     $ 22,501,864     $ 4,324,244       19.2 %

The following table sets forth the Company’s cost of goods sold for fiscal 2014 and fiscal 2013 by segment:

   
Fiscal 2014
   
% of Product
Sales*
   
Fiscal 2013
   
% of Product
Sales*
 
Direct cost of goods sold
                       
ZERUST®
  $ 12,941,234       54.3 %   $ 11,408,604       55.8 %
Natur-Tec®
    2,234,736       75.0 %     1,731,398       84.7 %
Indirect cost of goods sold
    2,627,183       —       2,333,210       —  
Total net cost of goods sold
  $ 17,803,153       66.4 %   $ 15,473,212       68.8 %

*
The percent of segment sales is calculated by dividing the direct cost of sales 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 August 31, 2014
   
At August 31, 2013
 
Brazil
  $ 1,429,054     $ 1,419,543  
India
    363,894          
North America
    52,264,827       47,634,406  
Total assets
  $ 54,057,775     $ 49,053,949  

   
Fiscal Year Ended
August 31, 2014
   
Fiscal Year Ended
August 31, 2013
 
Brazil
  $ 3,079,695     $ 2,394,486  
India
    581,535       --  
North America
    23,164,878       20,107,378  
Total net sales
  $ 26,826,108     $ 22,501,864  

   
Fiscal Year Ended
August 31, 2014
   
Fiscal Year Ended
August 31, 2013
 
Brazil
  $ 231,054     $ (273,246 )
India
    15,132       --  
North America
    6,448,200       5,238,222  
Total operating income
  $ 6,694,386     $ 4,964,976  

Total assets located in Brazil and India 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.