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Note 6 - Investments in Joint Ventures (Tables)

3 Months Ended

Nov. 30, 2022

Notes Tables

Condensed Balance Sheet [Table Text Block]

		As of November 30, 2022
		Total				EXCOR				All Other
Current assets		$	50,644,203			$	23,082,855			$	27,561,348
Total assets			54,232,523				25,102,700				29,129,823
Current liabilities			12,684,139				2,848,920				9,835,219
Noncurrent liabilities			354,984				-				354,984
Joint ventures’ equity			41,193,400				22,253,780				18,939,620
Northern Technologies International Corporation’s share of joint ventures’ equity			20,331,746				11,126,892				9,204,854
Northern Technologies International Corporation’s share of joint ventures’ undistributed earnings			19,303,110				11,095,987				8,207,123

		As of August 31, 2022
		Total				EXCOR				All Other
Current assets		$	52,428,831			$	26,047,914			$	26,380,917
Total assets			55,854,457				27,932,532				27,921,925
Current liabilities			10,981,833				2,943,895				8,037,938
Noncurrent liabilities			1,138,980				—				1,138,980
Joint ventures’ equity			43,733,644				24,988,637				18,745,007
Northern Technologies International Corporation’s share of joint ventures’ equity			21,814,754				12,494,320				9,320,434
Northern Technologies International Corporation’s share of joint ventures’ undistributed earnings			21,256,923				12,463,415				8,793,508

Condensed Income Statement [Table Text Block]

		Three Months Ended November 30, 2022
		Total				EXCOR				All Other
Net sales		$	24,730,289			$	10,145,921			$	14,584,368
Gross profit			9,693,568				4,720,042				4,973,526
Net income			2,646,908				1,742,287				904,621
Northern Technologies International Corporation’s share of equity in income from joint ventures			1,189,400				871,144				318,260
Northern Technologies International Corporation's dividends received from joint ventures			3,042,688				2,459,500				583,188

		Three Months Ended November 30, 2021
		Total				EXCOR				All Other
Net sales		$	27,022,995			$	11,300,228			$	15,722,767
Gross profit			11,032,959				5,468,986				5,563,973
Net income			2,777,605				1,821,547				956,058
Northern Technologies International Corporation’s share of equity in income from joint ventures			1,374,749				910,773				463,976
Northern Technologies International Corporation's dividends received from joint ventures			5,042,271				4,255,200				787,071