Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2021	Aug. 31, 2020
Operating activities:
Net income	$ 8,387	$ 7,793
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	1,525	1,224
Bad debt expense	89	72
Loss on sale of property		130
Net loss (gain) on trading securities	807	(912)
(Increase) decrease in cash from changes in:
Trade accounts receivable	(4,351)	1,916
Inventory	(903)	(2,286)
Prepaid expenses and other assets	(1,950)	(346)
Operating lease right-of-use assets	1,735	(11,512)
Trade accounts payable	901	(3,275)
Accrued expenses and other current liabilities	4,332	(1,665)
Operating lease liabilities	(1,754)	11,644
Net cash provided by operating activities	8,818	2,783
Investing activities:
Additions to property, equipment, and leasehold improvements	(946)	(6,705)
Proceeds from sale of property		7,075
Sale of marketable securities, trading	(3,180)	1,417
Net change in liabilities for short sales of trading securities	(2,916)	2,261
Net cash (used in) provided by investing activities	(7,042)	4,048
Financing activities:
Payments on revolving credit facility, net	(5,100)	(1,014)
Borrowings on Construction Loan	0	4,448
Repayments on long-term debt	(109)	(5,125)
Preferred stock dividend	(76)	(76)
Bank overdraft	(1,023)	(1,328)
Net cash (used in) financing activities	(6,308)	(3,095)
Effect of foreign currency exchange rate changes on cash and cash equivalents	(8)	(88)
Net (decrease) increase in cash, cash equivalents, and restricted cash	(4,540)	3,648
Cash, cash equivalents, and restricted cash - beginning of period	8,995	5,347
Cash, cash equivalents, and restricted cash - end of period	4,455	8,995
Supplemental disclosures of cash flow information:
Cash paid for interest	227	291
Cash paid for income taxes	$ 2,780	$ 3,405