Consolidated Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Aug. 31, 2013	Aug. 31, 2012
Revenues	$ 120,432	$ 114,634
Cost of revenues	86,600	82,664
Gross margin	33,832	31,970
Operating expenses:
Selling, general and administrative expenses	30,132	27,648
Total operating expenses	30,132	27,648
Income from operations	3,700	4,322
Other non-operating income (expense):
Income on sale of trading securities	10	287
Unrealized gain on trading securities	5	207
Gain on sale of assets	730	0
Interest expense, net	(584)	(717)
Income before income taxes	3,861	4,099
Provision for income taxes	1,309	1,679
Net income	2,552	2,420
Cumulative preferred stock dividend	(76)	(76)
Net income available to common shareholders	$ 2,476	$ 2,344
Basic and diluted net income per share (in dollars per share)	$ 0.51	$ 0.48
Basic and diluted weighted average common shares outstanding (in shares)	4,861,590	4,861,590