Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2017	Aug. 31, 2016
Operating activities:
Net income	$ 4,051	$ 4,095
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	785	577
Bad debt expense	96	73
Change in inventory reserve	87	202
Net gain on trading securities	(208)	(104)
(Increase) decrease in:
Trade accounts receivable	(2,638)	(3,385)
Inventory	(5,346)	(5,001)
Prepaid expenses and other assets	(247)	(365)
Increase (decrease) in:
Trade accounts payable	(30)	1,641
Accrued expenses and other current liabilities	(1,027)	1,167
Net cash used in operating activities	(4,477)	(1,100)
Investing activities:
Purchase of property, equipment and leasehold improvements	(8,646)	(403)
Purchase of marketable securities, trading	(848)	(436)
Net change in securities sold short	(718)	(356)
Change in restricted cash	737	375
Net cash used in investing activities	(9,475)	(820)
Financing activities:
Borrowings (repayments) on revolving credit facility, net	6,967	(33)
Repayments on long-term debt	(35)	0
Preferred dividend	(76)	(76)
Bank overdraft	671	1,768
Borrowings on long-term debt	5,400	0
Net cash provided by financing activities	12,927	1,659
Effect of foreign currency exchange rate changes on cash and cash equivalents	17	(130)
Net decrease in cash and cash equivalents	(1,008)	(391)
Cash and cash equivalents - beginning of period	4,878	5,269
Cash and cash equivalents - end of period	3,870	4,878
Supplemental disclosures of cash flow information:
Cash paid for interest	182	9
Cash paid for income taxes	$ 2,833	$ 2,199