Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	May 31, 2023	May 31, 2022
Operating activities:
Net income	$ 15,130	$ 15,523
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	1,052	1,122
Bad debt expense	201	54
Net unrealized gain on trading securities	(784)	(135)
Increase (decrease) in cash from changes in:
Trade accounts receivable	3,913	(8,843)
Inventory	(7,656)	(7,045)
Prepaid expenses and other assets	1,151	(462)
Operating lease right-of-use assets	(1)	416
Trade accounts payable	(1,885)	3,959
Accrued expenses and other current liabilities	(2,397)	230
Operating lease liabilities	10	(363)
Net cash provided by operating activities	8,734	4,456
Investing activities:
Purchase of property, equipment, and leasehold improvements	(646)	(827)
Net purchases of marketable securities, trading	(23,738)	(959)
Net cash used in investing activities	(24,384)	(1,786)
Financing activities:
Repayments on long-term debt	(87)	(87)
Preferred stock dividend	(57)	(57)
Net change in bank overdraft	(109)	(1,056)
Net cash (used in) financing activities	(253)	(1,200)
Effect of foreign currency exchange rate changes on cash and cash equivalents	(135)	(498)
Net (decrease) increase in cash, cash equivalents, and restricted cash	(16,038)	972
Cash, cash equivalents, and restricted cash - beginning of period	17,396	4,465
Cash, cash equivalents, and restricted cash - end of period	1,358	5,437
Supplemental disclosures of cash flow information:
Cash paid for interest	152	153
Cash paid for income taxes	$ 7,217	$ 3,979