Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Feb. 28, 2025	Feb. 29, 2024
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 57,356	$ (72,001)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	15,617	17,384
Gain on marketable securities
Deferred income taxes	(19,519)	(18,646)
Allowance for credit losses	735
Stock Compensation Expense
CHANGES IN OPERATING ASSETS AND LIABILITIES:
Accounts receivable	516,846	801,633
Inventory	(261,137)	1,553,086
Prepaid expenses and income taxes	89,366	349,227
Other assets	(3,054)	6,575
Accounts payable	(189,869)	(1,158,411)
Accrued expenses	(330,619)	(343,333)
NET CASH FLOWS USED IN (PROVIDED BY) OPERATING ACTIVITIES	(124,278)	1,135,514
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of fixed assets	(6,135)
Acquisition of marketable securities	(2,075,440)
Proceeds from the sale of marketable securities	450,000	321,474
NET CASH FLOWS USED IN (PROVIDED BY) INVESTING ACTIVITIES	(1,631,575)	321,474
CASH FLOWS FROM FINANCING ACTIVITIES:
NET CASH FLOWS FROM FINANCING ACTIVITIES
NET CHANGE IN CASH	(1,755,853)	1,456,988
CASH AT BEGINNING OF PERIOD	5,627,693	7,634,799
CASH AT END OF PERIOD	3,871,840	9,091,787
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Income taxes paid	23,490	46,863
Interest paid
NONCASH INVESTING AND FINANCING ACTIVITIES:
Accrued dividends on preferred stock	$ 2,500	$ 2,500