Consolidated Statements of Operations - USD ($)	12 Months Ended
	Aug. 31, 2019	Aug. 31, 2018
Consolidated Statements of Operations
Revenues	$ 221,241,000	$ 193,284,000
Cost of revenues	160,008,000	138,255,000
Gross margin	61,233,000	55,029,000
Operating expenses:
Selling, general and administrative expenses	48,213,000	44,705,000
Income from operations	13,020,000	10,324,000
Other (expense) income:
Net gain on trading securities	427,000	273,000
Interest and other expense	(475,000)	(477,000)
Other expense, net	(48,000)	(204,000)
Income before income taxes	12,972,000	10,120,000
Provision for income taxes	3,540,000	3,171,000
Net income	9,432,000	6,949,000
Cumulative preferred stock dividend	(76,000)	(76,000)
Net income attributable to common shareholders	$ 9,356,000	$ 6,873,000
Basic and diluted earnings per common share:	$ 1.92	$ 1.41
Basic and diluted weighted average common shares outstanding	4,861,590	4,861,590