Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	May 31, 2013	May 31, 2012
Operating activities:
Net income	$ 2,308	$ 1,985
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	464	638
Bad debt expense	58	111
Change in inventory reserve	(62)	(66)
Gain on sale of property	(780)	0
Net loss (gain) on trading securities	34	(398)
Decrease (increase) in:
Trade accounts receivable	472	(1,656)
Inventory	(1,435)	(751)
Prepaid expenses and other assets	83	(3)
Deferred tax asset	670	867
(Decrease) increase in:
Trade accounts payable	(829)	759
Accrued expenses and other current liabilities	(561)	(287)
Deposit liability	(60)	0
Liabilities of discontinued operations	(111)	(120)
Net cash provided by operating activities	251	1,079
Investing activities:
Purchase of property and equipment	(631)	(347)
Sale of marketable securities, trading	37	1,023
Proceeds from securities sold short	619	637
Proceeds from sale of property	2,830	0
Increase in restricted cash	(620)	(553)
Net cash provided by investing activities	2,235	760
Financing activities:
Net (payments) borrowings on revolving credit facility	(985)	100
Change in bank overdraft	(92)	1,261
Preferred dividend	(57)	(57)
Payments on long-term debt	(1,663)	(583)
Net cash (used in) provided by financing activities	(2,797)	721
Effect of foreign currency exchange rate changes on cash and cash equivalents	224	(72)
Net (decrease) increase in cash and cash equivalents	(87)	2,488
Cash and cash equivalents - beginning of period	2,568	1,368
Cash and cash equivalents - end of period	2,481	3,856
Supplemental disclosures of cash flow information:
Cash paid for interest	512	564
Cash paid for taxes	196	451
Supplemental disclosures of noncash investing and financing activities:
Note receivable issued in connection with sale of real estate properties	$ 350	$ 0