Note 6 - Investments in Joint Ventures (Tables)

9 Months Ended

May 31, 2018

Notes Tables

Condensed Balance Sheet [Table Text Block]

	As of May 31, 2018
	Total		EXCOR		All Other
Current assets	$	58,113,904	$	25,734,914	$	32,378,990
Total assets		62,004,849		27,838,358		34,166,491
Current liabilities		16,622,611		3,830,246		12,792,365
Noncurrent liabilities		110,926		-		110,926
Joint ventures’ equity		45,271,314		24,008,112		21,263,202
Northern Technologies International Corporation’s share of joint ventures’ equity		22,412,792		12,004,058		10,408,734
Northern Technologies International Corporation’s share of joint ventures’ undistributed earnings		20,383,580		11,973,153		8,410,427

	As of August 31, 2017
	Total		EXCOR		All Other
Current assets	$	51,518,210	$	22,142,514	$	29,375,696
Total assets		55,633,891		24,301,194		31,332,697
Current liabilities		15,118,074		4,469,567		10,648,507
Noncurrent liabilities		181,210		—		181,210
Joint ventures’ equity		40,334,607		19,831,627		20,502,980
Northern Technologies International Corporation’s share of joint ventures’ equity		20,035,074		9,915,816		10,119,258
Northern Technologies International Corporation’s share of joint ventures’ undistributed earnings		17,960,860		9,884,911		8,075,949
Northern Technologies International Corporation’s dividends received from joint ventures	$	6,377,054	$	5,379,062	$	997,992

Condensed Income Statement [Table Text Block]

	Three Months Ended May 31, 2018
	Total		EXCOR		All Other
Net sales	$	31,480,885	$	12,219,414	$	19,261,471
Gross profit		14,209,819		6,823,609		7,386,210
Net income		4,540,968		3,113,660		1,427,308
Northern Technologies International Corporation’s share of equity in income from joint ventures	$	2,246,066	$	1,558,243	$	687,823

	Nine Months Ended May 31, 2018
	Total		EXCOR		All Other
Net sales	$	90,200,146	$	35,450,664	$	54,749,482
Gross profit		40,529,217		19,315,099		21,214,118
Net income		11,753,467		8,272,237		3,481,230
Northern Technologies International Corporation’s share of equity in income from joint ventures	$	5,793,391	$	4,138,814	$	1,654,577
Northern Technologies International Corporation’s dividends received from joint ventures	$	2,941,807	$	1,780,392	$	1,161,415

	Three Months Ended May 31, 2017
	Total		EXCOR		All Other
Net sales	$	25,935,169	$	9,884,546	$	16,050,623
Gross profit		11,517,711		5,271,028		6,246,683
Net income		3,379,883		2,166,435		1,213,448
Northern Technologies International Corporation’s share of equity in income from joint ventures	$	1,686,016	$	1,083,494	$	602,522

	Nine Months Ended May 31, 2017
	Total		EXCOR		All Other
Net sales	$	73,098,215	$	28,169,978	$	44,928,237
Gross profit		32,376,247		15,032,724		17,343,523
Net income		8,562,834		6,184,181		2,378,653
Northern Technologies International Corporation’s share of equity in income from joint ventures		4,343,159		3,089,935		1,253,224
Northern Technologies International Corporation’s dividends received from joint ventures	$	5,179,786	$	4,240,400	$	939,386