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Note 7 - Investments in Joint Ventures (Tables)

9 Months Ended

May 31, 2022

Notes Tables

Condensed Balance Sheet [Table Text Block]

		As of May 31, 2022
		Total				EXCOR				All Other
Current assets		$	55,305,950			$	25,677,287			$	29,628,663
Total assets			59,037,744				27,727,623				31,310,121
Current liabilities			13,289,392				2,978,114				10,311,279
Noncurrent liabilities			1,223,185				—				1,223,185
Joint ventures’ equity			44,601,335				24,749,509				19,851,826
Northern Technologies International Corporation’s share of joint ventures’ equity			22,194,433				12,374,756				9,819,677
Northern Technologies International Corporation’s share of joint ventures’ undistributed earnings			20,844,284				12,343,851				8,500,433

		As of August 31, 2021
		Total				EXCOR				All Other⁽¹⁾
Current assets		$	69,394,796			$	33,886,655			$	35,508,141
Total assets			73,814,402				36,211,520				37,602,882
Current liabilities			16,366,398				5,386,377				10,980,021
Noncurrent liabilities			1,455,524				—				1,455,524
Joint ventures’ equity			55,992,480				30,825,144				25,167,336
Northern Technologies International Corporation’s share of joint ventures’ equity			27,623,768				15,412,574				12,211,194
Northern Technologies International Corporation’s share of joint ventures’ undistributed earnings			24,702,778				14,697,490				10,005,288

Condensed Income Statement [Table Text Block]

		Three Months Ended May 31, 2022
		Total				EXCOR				All Other
Net sales		$	26,594,077			$	10,397,916			$	16,196,160
Gross profit			10,626,570				4,990,697				5,635,873
Net income			2,714,979				1,654,389				1,060,590
Northern Technologies International Corporation’s share of equity in income from joint ventures			1,364,597				824,784				539,813
Northern Technologies International Corporation’s dividends received from joint ventures			252,000				—				252,000

		Nine Months Ended May 31, 2022
		Total				EXCOR				All Other
Net sales		$	78,218,839			$	31,010,578			$	47,208,261
Gross profit			31,504,531				15,118,133				16,386,398
Net income			7,344,175				4,646,123				2,698,052
Northern Technologies International Corporation’s share of equity in income from joint ventures			3,662,178				2,324,605				1,337,572
Northern Technologies International Corporation’s dividends received from joint ventures			5,723,176				4,255,200				1,467,976

		Three Months Ended May 31, 2021
		Total				EXCOR				All Other⁽¹⁾
Net sales		$	31,959,539			$	12,103,263			$	19,856,276
Gross profit			14,280,775				6,863,786				7,416,989
Net income			4,051,518				2,068,326				1,983,192
Northern Technologies International Corporation’s share of equity in income from joint ventures			2,033,536				1,039,576				993,960
Northern Technologies International Corporation’s dividends received from joint ventures			181,952				—				181,952

		Nine Months Ended May 31, 2021
		Total				EXCOR				All Other⁽¹⁾
Net sales		$	87,795,284			$	32,196,843			$	55,598,441
Gross profit			39,802,014				18,661,980				21,140,034
Net income			11,540,949				6,351,721				5,189,228
Northern Technologies International Corporation’s share of equity in income from joint ventures			5,779,260				3,182,691				2,596,569
Northern Technologies International Corporation’s dividends received from joint ventures			3,505,455				1,809,900				1,695,555