Condensed Consolidated Statements of Income (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Nov. 30, 2012	Nov. 30, 2011
Distribution sales	$ 29,119	$ 26,150
Cost of goods sold	21,064	18,878
Gross profit from distribution operations	8,055	7,272
Rental revenue	141	311
Cost of rental operations	95	193
Gross profit from rental operations	46	118
Operating expenses:
Selling, general and administrative expenses	7,260	6,530
Total operating expenses	7,260	6,530
Income from operations	841	860
Non-operating income (expense):
Gain on sale of trading securities	33	0
Unrealized (loss) gain on trading securities	(55)	193
Interest expense, net	(167)	(181)
Total non-operating (expense) income	(189)	12
Net income before income taxes	652	872
Provision for income taxes	269	247
Net income	383	625
Cumulative preferred stock dividend	(19)	(19)
Net income attributable to common shareholders	$ 364	$ 606
Basic and diluted earnings per share (in dollars per share)	$ 0.08	$ 0.12
Basic and diluted weighted average common shares outstanding (in shares)	4,861,590	4,861,590