Note 6 - Investments in Joint Ventures (Tables)

3 Months Ended

Nov. 30, 2015

Notes Tables

Condensed Balance Sheet [Table Text Block]

	November 30, 2015
	TOTAL		EXCOR		All Other
Current assets	$	50,371,596	$	25,060,815	$	25,310,781
Total assets		53,883,178		26,925,906		26,957,272
Current liabilities		12,948,319		3,612,595		9,335,724
Noncurrent liabilities		89,930		-		89,930
Joint ventures’ equity		40,844,930		23,313,311		17,531,619
Northern Technologies International Corporation’s share of joint ventures’ equity		20,369,002		11,656,658		8,712,344
Northern Technologies International Corporation’s share of joint ventures’ undistributed earnings	$	18,308,141	$	11,625,753	$	6,682,388

	August 31, 2015
	TOTAL		EXCOR		All Other
Current assets	$	49,295,116	$	22,620,323	$	26,674,793
Total assets		52,853,938		24,606,880		28,247,058
Current liabilities		12,288,383		3,360,142		8,928,241
Noncurrent liabilities		1,215,139		-		1,215,139
Joint ventures’ equity		39,350,417		21,246,738		18,103,679
Northern Technologies International Corporation’s share of joint ventures’ equity		20,544,238		11,571,361		8,972,877
Northern Technologies International Corporation's share of joint ventures’ undistributed earnings	$	18,483,377	$	11,540,456	$	6,942,921

Condensed Income Statement [Table Text Block]

	Three Months Ended November 30, 2015
	Total		EXCOR		All Other
Net sales	$	21,871,209	$	8,207,696	$	13,663,513
Gross profit		9,648,081		4,153,477		5,494,604
Net income		1,961,922		1,536,247		425,675
Northern Technologies International Corporation’s share of equity in income of joint ventures	$	983,753	$	768,123	$	215,630

	Three Months Ended November 30, 2014
	Total		EXCOR		Tianjin Zerust		All Other
Net sales	$	29,120,852	$	9,524,270	$	3,735,457	$	15,861,125
Gross profit		14,035,784		4,974,751		1,783,673		7,277,360
Net income		3,184,570		1,956,191		265,648		962,731
Northern Technologies International Corporation’s share of equity in income of joint ventures	$	1,606,683	$	978,096	$	132,824	$	495,763