Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Feb. 29, 2012	Feb. 28, 2011
Operating activities:
Net income	$ 1,028	$ 1,133
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	409	385
Bad debt expense	46	0
Change in inventory reserve	(50)	0
Net gain on trading securities	(347)	(393)
(Increase) decrease in:
Trade accounts receivable	(1,088)	(1,106)
Inventory	(146)	(803)
Prepaid expenses and other assets	(126)	(85)
Deferred tax asset	312	0
Increase (decrease) in:
Trade accounts payable	(36)	428
Accrued expenses and other current liabilities	(814)	(271)
Liabilities of discontinued operations	(72)	(94)
Net cash used in operating activities	(884)	(806)
Investing activities:
Purchase of property and equipment	(206)	(176)
Sale of marketable securities, trading	478	226
Short sales of marketable securities	172	0
Change in restricted cash	(88)	234
Net cash provided by investing activities	356	284
Financing activities:
Net borrowings on revolving credit facility	650	600
Bank overdraft	782	143
Payments on long-term debt	(384)	(129)
Net cash provided by financing activities	1,048	614
Effect of foreign currency exchange rate changes on cash and cash equivalents	(30)	37
Net decrease in cash and cash equivalents	490	129
Cash and cash equivalents - beginning of period	1,368
Cash and cash equivalents - end of period	1,858	1,389
Supplemental disclosures of cash flow information:
Cash paid for interest	379	391
Cash paid for taxes	$ 415	$ 158