Condensed Consolidated Statements of Income - USD ($)	3 Months Ended		9 Months Ended
	May 31, 2020	May 31, 2019	May 31, 2020	May 31, 2019
Condensed Consolidated Statements of Income
Net sales	$ 54,923,000	$ 57,840,000	$ 167,791,000	$ 161,185,000
Cost of sales	40,069,000	41,715,000	121,242,000	116,439,000
Gross margin	14,854,000	16,125,000	46,549,000	44,746,000
Operating expenses:
Selling, general and administrative expenses	12,732,000	12,353,000	38,007,000	35,563,000
Income from operations	2,122,000	3,772,000	8,542,000	9,183,000
Other income (expense):
Net gain on trading securities	384,000	413,000	775,000	515,000
Loss on sale of property	(28,000)		(130,000)
Interest and other (expense)	(40,000)	(128,000)	(224,000)	(330,000)
Other income, net	316,000	285,000	421,000	185,000
Income before income taxes	2,438,000	4,057,000	8,963,000	9,368,000
Provision for income taxes	683,000	1,113,000	2,693,000	2,538,000
Net income	1,755,000	2,944,000	6,270,000	6,830,000
Cumulative preferred stock dividend	(19,000)	(19,000)	(57,000)	(57,000)
Net income attributable to common shareholders	$ 1,736,000	$ 2,925,000	$ 6,213,000	$ 6,773,000
Basic and diluted earnings per share:	$ 0.36	$ 0.60	$ 1.28	$ 1.39
Basic and diluted weighted average common shares outstanding	4,861,590	4,861,590	4,861,590	4,861,590