Condensed Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	May 31, 2021	May 31, 2020	May 31, 2021	May 31, 2020
Condensed Consolidated Statements of Income
Net sales	$ 62,676	$ 54,923	$ 171,830	$ 167,791
Cost of sales	45,826	40,069	125,504	121,242
Gross margin	16,850	14,854	46,326	46,549
Operating expenses:
Selling, general and administrative expenses	12,800	12,732	38,021	38,007
Income from operations	4,050	2,122	8,305	8,542
Other income (expense):
Net gain (loss) on trading securities	196	384	(863)	775
Loss on sale of property		(28)		(130)
Interest and other (expense)	(45)	(40)	(174)	(224)
Other income (expense), net	151	316	(1,037)	421
Income before income taxes	4,201	2,438	7,268	8,963
Provision for income taxes	1,121	683	1,943	2,693
Net income	3,080	1,755	5,325	6,270
Cumulative preferred stock dividend	(19)	(19)	(57)	(57)
Net income attributable to common shareholders	$ 3,061	$ 1,736	$ 5,268	$ 6,213
Basic and diluted earnings per share:	$ 0.63	$ 0.36	$ 1.08	$ 1.28
Basic and diluted weighted average common shares outstanding	4,861,590	4,861,590	4,861,590	4,861,590