Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Feb. 29, 2016	Feb. 28, 2015
Operating activities:
Net income	$ 1,231	$ 1,514
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Depreciation and amortization	287	268
Bad debt expense	24	0
Change in inventory reserve	118	1
Net (gain) loss on investments	(171)	56
(Increase) decrease in:
Trade accounts receivable	(1,117)	143
Inventory	(1,019)	(708)
Prepaid expenses and other assets	(242)	51
Increase (decrease) in:
Trade accounts payable	962	34
Accrued expenses and other current liabilities	(2,014)	(900)
Liabilities of discontinued operations	(10)	(115)
Net cash (used in) provided by operating activities	(1,951)	344
Investing activities:
Purchase of property and equipment	(168)	(164)
(Purchase) sale of marketable securities, trading	(913)	16
Net change in securities sold short	(727)	1,286
Change in restricted cash	736	(1,173)
Net cash used in investing activities	(1,072)	(35)
Financing activities:
Borrowings on revolving credit facility	987	382
Preferred stock dividend	(38)	(38)
Bank overdraft	1,248	247
(Payments) borrowings on long-term debt	(2)	5
Net cash provided by financing activities	2,195	596
Effect of foreign currency exchange rate changes on cash and cash equivalents	(67)	(81)
Net (decrease) increase in cash and cash equivalents	(895)	824
Cash and cash equivalents - beginning of period	5,269	3,480
Cash and cash equivalents - end of period	4,374	4,304
Supplemental disclosures of cash flow information:
Cash paid for interest	14	10
Cash paid for taxes	$ 2,194	$ 1,342