Condensed Consolidated Statements of Income (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	May 31, 2014	May 31, 2013	May 31, 2014	May 31, 2013
Revenues	$ 36,253	$ 31,368	$ 98,210	$ 89,148
Cost of revenues	26,014	22,405	70,555	64,038
Gross margin	10,239	8,963	27,655	25,110
Operating expenses:
Selling, general and administrative expenses	8,021	7,708	23,827	22,318
Income from operations	2,218	1,255	3,828	2,792
Other (expense) income:
Net gain (loss) on trading securities	8	85	(49)	(34)
Gain on sale of property	0	240	535	780
Interest expense, net	(85)	(158)	(296)	(491)
Total other (expense) income	(77)	167	190	255
Net income before income taxes	2,141	1,422	4,018	3,047
Income taxes (benefit) provision	(156)	138	548	739
Net income	2,297	1,284	3,470	2,308
Cumulative preferred stock dividend	(19)	(19)	(57)	(57)
Net income attributable to common shareholders	$ 2,278	$ 1,265	$ 3,413	$ 2,251
Basic and diluted earnings per share (in dollars per share)	$ 0.47	$ 0.26	$ 0.70	$ 0.46
Basic and diluted weighted average common shares outstanding (in shares)	4,861,590	4,861,590	4,861,590	4,861,590