Condensed Consolidated Statements of Income - USD ($)	3 Months Ended		9 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2022	May 31, 2021
Condensed Consolidated Statements of Income
Net sales	$ 77,797,000	$ 62,676,000	$ 208,206,000	$ 171,830,000
Cost of sales	56,207,000	45,826,000	150,313,000	125,504,000
Gross margin	21,590,000	16,850,000	57,893,000	46,326,000
Operating expenses:
Selling, general and administrative expenses	14,547,000	12,800,000	36,881,000	38,021,000
Income from operations	7,043,000	4,050,000	21,012,000	8,305,000
Other income (expense):
Net gain (loss) on trading securities	213,000	196,000	135,000	(863,000)
Interest and other (expense)	(48,000)	(45,000)	(153,000)	(174,000)
Other income (expense), net	165,000	151,000	(18,000)	(1,037,000)
Income before income taxes	7,208,000	4,201,000	20,994,000	7,268,000
Provision for income taxes	1,878,000	1,121,000	5,471,000	1,943,000
Net income	5,330,000	3,080,000	15,523,000	5,325,000
Cumulative preferred stock dividend	(19,000)	(19,000)	(57,000)	(57,000)
Net income attributable to common shareholders	$ 5,311,000	$ 3,061,000	$ 15,466,000	$ 5,268,000
Basic earnings per common share:	$ 1.09	$ 0.63	$ 3.18	$ 1.08
Diluted earnings per common share:	$ 1.09	$ 0.63	$ 3.18	$ 1.08
Basic and diluted weighted average common shares outstanding	4,861,590	4,861,590	4,861,590	4,861,590
Diluted weighted average common shares outstanding	4,901,590	4,901,590	4,901,590	4,901,590