Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2022	Aug. 31, 2021
Operating activities:
Net income	$ 21,308	$ 8,387
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	1,491	1,525
Bad debt expense	38	89
Unrealized loss on trading securities	351	807
Deferred tax provision	333
Increase (decrease) in cash flow from change in:
Trade accounts receivable	(10,746)	(4,351)
Inventory	(8,360)	(903)
Prepaid expenses and other assets	2,069	(1,950)
Operating lease right-of-use assets	695	1,735
Trade accounts payable	6,390	901
Accrued expenses and other current liabilities	4,056	4,332
Operating lease liabilities	(621)	(1,754)
Net cash provided by operating activities	17,004	8,818
Investing activities:
Additions to property, equipment, and leasehold improvements	(1,701)	(946)
Sale of marketable securities, trading	(535)	(3,180)
Net change in liabilities for short sales of trading securities		(2,906)
Net cash used in by investing activities	(2,236)	(7,032)
Financing activities:
Payments on revolving credit facility, net		(5,100)
Repayments on long-term debt	(114)	(109)
Preferred stock dividend	(76)	(76)
Bank overdraft	(1,041)	(1,023)
Net cash used in by financing activities	(1,231)	(6,308)
Effect of foreign currency exchange rate changes on cash and cash equivalents	(606)	(8)
Net increase (decrease) in cash, cash equivalents, and restricted cash	12,931	(4,530)
Cash, cash equivalents, and restricted cash - beginning of period	4,465	8,995
Cash, cash equivalents, and restricted cash - end of period	17,396	4,465
Supplemental disclosures of cash flow information:
Cash paid for interest	205	227
Cash paid for income taxes	$ 3,222	$ 2,780