Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Aug. 31, 2012	Aug. 31, 2011
Operating activities:
Net income	$ 2,420	$ 2,139
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	807	752
Bad debt expense	200	165
Change in inventory reserve	204	0
Net gain on trading securities	(494)	(342)
(Increase) decrease in:
Trade accounts receivable	(1,824)	(1,399)
Inventory	(1,004)	(1,380)
Prepaid expenses and other assets	(124)	(127)
Deferred tax asset	1,284	772
Increase (decrease) in:
Trade accounts payable	1,405	(1,574)
Accrued expenses and other current liabilities	157	502
Liabilities of discontinued operations	(142)	(220)
Net cash provided by (used in) operating activities	2,889	(712)
Investing activities:
Purchase of property and equipment	(573)	(387)
Sale of trading securities	1,189	267
Change in restricted cash	84	234
Net cash provided by investing activities	700	114
Financing activities:
Net (payments) borrowings on revolving credit facility	(1,050)	(400)
Bank overdraft	(427)	889
Payment of preferred dividend	(57)	(228)
Borrowings on long-term debt	0	1,000
Payments on long-term debt	(779)	(470)
Net cash (used in) provided by financing activities	(2,313)	791
Effect of foreign currency exchange rate changes on cash and cash equivalents	(76)	(85)
Net increase in cash and cash equivalents	1,200	108
Cash and cash equivalents - beginning of period	1,368	1,260
Cash and cash equivalents - end of period	2,568	1,368
Supplemental disclosures of cash flow information:
Cash paid for interest	742	771
Cash paid for taxes	451	258
Non cash transfer of equipment and leasehold improvements, net to assets held for sale	1,521	1,624
Non cash transfer of long-term debt to liabilities of assets held for sale	$ 1,113	$ 1,144