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Note 6 - Investments in Joint Ventures
9 Months Ended
May 31, 2013
Equity Method Investments and Joint Ventures Disclosure [Text Block]  
Equity Method Investments and Joint Ventures Disclosure [Text Block]
6. 
INVESTMENTS IN JOINT VENTURES

The financial statements of the Company’s foreign joint ventures are initially prepared using the accounting principles accepted in the respective joint ventures’ countries of domicile.   Amounts related to foreign joint ventures reported in the below tables and the accompanying consolidated financial statements have subsequently been adjusted to approximate U.S. GAAP in all material respects.  All material profits recorded on sales from the Company to its joint ventures of goods that remain in inventory, have been eliminated for financial reporting purposes.

Financial information from the audited and unaudited financial statements of the Company’s joint venture in Germany, Excor Korrosionsschutz – Technologien und Produkte GmbH (EXCOR), China, NTI Asean and all of the Company’s other joint ventures, are summarized as follows:

   
At May 31, 2013
 
   
Total
   
EXCOR
   
China
   
All Other
 
Current assets
  $ 63,547,204     $ 23,056,084     $ 13,964,465     $ 26,526,655  
Total assets
    69,688,319       25,425,172       13,993,902       30,269,245  
Current liabilities
    19,288,471       3,056,560       6,212,433       10,019,478  
Noncurrent liabilities
    3,358,593             869,532       2,489,061  
Joint ventures’ equity
    47,041,255       22,368,612       6,911,937       17,760,706  
Northern Technologies International Corporation’s share of joint ventures’ equity
    23,320,080       11,184,308       3,455,969       8,679,803  
Northern Technologies International Corporation’s share of joint ventures’ undistributed earnings
  $ 20,877,265     $ 11,153,403     $ 3,405,969     $ 6,327,893  

   
At August 31, 2012
 
   
Total
   
EXCOR
   
NTI ASEAN
   
All Other
 
Current assets
  $ 61,973,725     $ 24,357,139     $ 15,358,967     $ 22,257,619  
Total assets
    68,585,974       26,620,589       15,522,456       26,442,929  
Current liabilities
    18,686,181       4,749,574       5,763,857       8,172,750  
Noncurrent liabilities
    4,700,458             1,055,965       3,644,493  
Joint ventures’ equity
    45,199,335       21,871,015       8,702,634       14,625,686  
Northern Technologies International Corporation’s share of joint ventures’ equity
    21,461,492       10,935,509     $ 3,685,404       6,840,579  
Northern Technologies International Corporation’s share of joint ventures’ undistributed earnings
  $ 19,403,150     $ 10,904,604     $ 3,314,445     $ 5,184,101  

   
Nine Months Ended May 31, 2013
 
   
Total
   
EXCOR
   
China
   
All Other
 
Net sales
  $ 82,788,711     $ 26,043,775     $ 10,802,206     $ 45,942,730  
Gross profit
    39,447,084       13,624,792       5,134,820       20,687,472  
Net income
    7,626,711       4,954,595       815,664       1,856,452  
Northern Technologies International Corporation’s share of equity in income of joint ventures
  $ 3,733,069     $ 2,478,109     $ 407,809     $ 847,151  

   
Nine Months Ended May 31, 2012
 
   
Total
   
EXCOR
   
NTI ASEAN
   
All Other
 
Net sales
  $ 83,746,872     $ 25,785,840     $ 16,366,258     $ 41,594,775  
Gross profit
    40,201,265       13,423,067       7,183,786       19,594,413  
Net income
    8,165,791       4,830,477       1,941,417       1,393,897  
Northern Technologies International Corporation’s share of equity in income of joint ventures
  $ 4,405,327     $ 2,396,596     $ 1,076,230     $ 932,501  

*Prior to September 1, 2012, the Company owned 50% of NTI Asean, which included the joint venture in China, and disclosed its financial information accordingly. On September 1, 2012, the Company obtained an additional 10% ownership interest in NTI Asean and has consolidated the results of NTI Asean subsequent to that date.  As a result the Company now discloses the financial information for only its joint venture in China and not all of NTI Asean accordingly.

The Company records expenses that are directly attributable to the joint ventures on the consolidated statements of operations on the line “Expenses incurred in support of joint ventures”.  The expenses include items such as employee compensation and benefit expenses, travel expense and consulting expense.

The Company did not make any joint venture investments during the nine months ended May 31, 2013 and 2012.