Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	May 31, 2019	May 31, 2018
Operating activities:
Net income	$ 6,830	$ 4,767
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Depreciation and amortization	772	752
Bad debt expense	193	70
Change in inventory reserve	116	157
Net gain on trading securities	(515)	(186)
(Increase) decrease in:
Trade accounts receivable	(2,499)	(3,078)
Inventory	(6,125)	(3,141)
Prepaid expenses and other assets	(1,698)	(1,231)
Increase (decrease) in:
Trade accounts payable	2,960	3,084
Accrued expenses and other current liabilities	(1,851)	328
Net cash (used in) provided by operating activities	(1,817)	1,522
Investing activities:
Purchase of property, equipment and leasehold improvements	(825)	(1,423)
Sale (purchase) of marketable securities, trading	2,393	(896)
Net change in securities sold short	1,401	116
Net cash provided by (used in) investing activities	2,969	(2,203)
Financing activities:
Net borrowings (payments) on revolving credit facility	3,797	(260)
Preferred dividends	(57)	(57)
Net change in bank overdraft	(467)	166
Payments on long-term debt	(109)	(105)
Net cash provided by (used in) financing activities	3,164	(256)
Effect of foreign currency exchange rate changes on cash and cash equivalents	(38)	160
Net increase (decrease) in cash, cash equivalents, and restricted cash	4,278	(777)
Cash, cash equivalents, and restricted cash - beginning of period	3,638	4,577
Cash, cash equivalents, and restricted cash - end of period	7,916	3,800
Supplemental disclosures of cash flow information:
Cash paid for income taxes	3,059	2,241
Cash paid for interest	$ 325	$ 375