Condensed Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	May 31, 2016	May 31, 2015	May 31, 2016	May 31, 2015
Revenues	$ 39,875	$ 36,900	$ 108,757	$ 104,561
Cost of revenues	28,133	26,112	76,926	73,696
Gross margin	11,742	10,788	31,831	30,865
Operating expenses:
Selling, general and administrative expenses	9,301	8,780	27,522	26,312
Income from operations	2,441	2,008	4,309	4,553
Other income(expense):
Net gain on trading securities	24	93	195	37
Interest and other (expense)	(10)	(9)	(14)	(3)
Total other income	14	84	181	34
Income before income taxes	2,455	2,092	4,490	4,587
Provision for income taxes	836	918	1,640	1,899
Net income	1,619	1,174	2,850	2,688
Cumulative preferred stock dividend	(19)	(19)	(57)	(57)
Net income attributable to common shareholders	$ 1,600	$ 1,155	$ 2,793	$ 2,631
Basic and diluted earnings per share (in dollars per share)	$ 0.33	$ 0.24	$ 0.59	$ 0.54
Basic and diluted weighted average common shares outstanding (in shares)	4,861,590	4,861,590	4,861,590	4,861,590