STATEMENTS OF OPERATIONS - USD ($)	3 Months Ended		6 Months Ended
	Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2022	Jul. 31, 2021
Income Statement [Abstract]
Revenues		$ 1,390,400	$ 1,490,000	$ 1,924,200
Cost of goods sold		1,049,200	922,000	1,343,200
Gross profit from operations		341,200	568,000	581,000
Operating expenses
Selling, general and administrative expenses (Schedule I)	174,513	90,323	399,384	150,713
Income (loss) from operations before	(174,513)	250,877	168,616	430,287
Other income (expense)
Other income	50		8,572
Total other income, net	50		8,572
Net income (loss) before provision for income tax benefit (expense)	(174,463)	250,877	177,188	430,287
Provision for income tax benefit (expense)	30,326		(44,667)	(4,448)
Net income (loss)	$ (144,137)	$ 250,877	$ 132,521	$ 425,839
Net income per share:  Basic and diluted
Weighted average number shares outstanding: Basic and of diluted	206,520,030	205,458,941	206,520,030	205,438,810