Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2016	Aug. 31, 2015
Operating activities:
Net income	$ 4,095	$ 3,741
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Depreciation and amortization	577	553
Bad debt expense	73	91
Change in inventory reserve	202	81
Net (gain) on investments	(104)	(225)
(Increase) decrease in:
Trade accounts receivable	(3,385)	2,219
Inventory	(5,001)	(1,951)
Prepaid expenses and other assets	(365)	509
Increase (decrease) in:
Trade accounts payable	1,641	(47)
Accrued expenses and other current liabilities	1,167	603
Net cash (used in) provided by operating activities	(1,100)	5,574
Investing activities:
Purchase of property and equipment	(403)	(519)
Purchase of marketable securities, trading	(436)	298
Net change in securities sold short	(356)	1,139
Change in restricted cash	375	(900)
Net cash (used in) provided by investing activities	(820)	18
Financing activities:
Payments on revolving credit facility	(33)	(1,684)
Payment of preferred stock dividend	(76)	(76)
Bank overdraft	1,768	(1,827)
Payments on long-term debt	0	(11)
Net cash provided by (used in) financing activities	1,659	(3,598)
Effect of foreign currency exchange rate changes on cash and cash equivalents	(130)	(205)
Net (decrease) increase in cash and cash equivalents	(391)	1,789
Cash and cash equivalents - beginning of period	5,269	3,480
Cash and cash equivalents - end of period	4,878	5,269
Supplemental disclosures of cash flow information:
Cash paid for income taxes	$ 2,227	$ 1,342