Consolidated Statements of Operations - USD ($)	12 Months Ended
	Aug. 31, 2022	Aug. 31, 2021
Consolidated Statements of Operations
Revenues	$ 292,562,000	$ 237,962,000
Cost of revenues	209,060,000	177,177,000
Gross margin	83,502,000	60,785,000
Operating expenses:
Selling, general and administrative expenses	53,970,000	48,072,000
Income from operations	29,532,000	12,713,000
Other income (expense):
Net loss on trading securities	(213,000)	(807,000)
Interest and other expense	(201,000)	(226,000)
Other income (expense), net	(414,000)	(1,033,000)
Income before income taxes	29,118,000	11,680,000
Provision for income taxes	7,810,000	3,293,000
Net income	21,308,000	8,387,000
Cumulative preferred stock dividend	(76,000)	(76,000)
Net income attributable to common shareholders	$ 21,232,000	$ 8,311,000
Basic earnings per common share:	$ 4.37	$ 1.71
Diluted earnings per common share	$ 4.37	$ 1.71
Basic weighted average common shares outstanding	4,861,590	4,861,590
Diluted weighted average common shares outstanding	4,861,590	4,861,590