Condensed Consolidated Statements of Changes in Stockholders' Equity (Deficit) (Unaudited) - USD ($)	Series A Preferred Stock [Member]	Common Stock [Member]	Treasury Stock [Member]	Additional Paid In Capital [Member]	Accumulated Deficit [Member]	Total
Balance at Jan. 31, 2019		$ 320	$ (149,500)	$ 16,547,287	$ (17,580,255)	$ (1,182,148)
Balance, shares at Jan. 31, 2019		31,866,241	(230,000)
Stock options issued for services				50,744		50,744
Common stock issued for services		$ 1		71,874		71,875
Common stock issued for services, shares		125,000
Net income					1,122,589	1,122,589
Balance at Oct. 31, 2019		$ 321	$ (149,500)	16,669,905	(16,457,666)	63,060
Balance, shares at Oct. 31, 2019		31,991,241	(230,000)
Balance at Jul. 31, 2019		$ 321	$ (149,500)	16,642,259	(16,866,281)	(373,201)
Balance, shares at Jul. 31, 2019		31,991,241	(230,000)
Stock options issued for services				27,646		27,646
Net income					408,615	408,615
Balance at Oct. 31, 2019		$ 321	$ (149,500)	16,669,905	(16,457,666)	63,060
Balance, shares at Oct. 31, 2019		31,991,241	(230,000)
Balance at Jan. 31, 2020		$ 321	$ (149,500)	16,695,352	(16,144,110)	402,063
Balance, shares at Jan. 31, 2020		31,991,241	(230,000)
Stock options issued for services				51,435		51,435
Common stock issued for exercise of options				7,200		7,200
Common stock issued for exercise of options, shares		12,000
Common stock issued for exercise of warrants		$ 27		2,735,670		2,735,697
Common stock issued for exercise of warrants, shares		2,764,600
Net income					2,380,111	2,380,111
Balance at Oct. 31, 2020		$ 348	$ (149,500)	19,489,657	(13,763,999)	5,576,506
Balance, shares at Oct. 31, 2020		34,767,841	(230,000)
Balance at Jul. 31, 2020		$ 336	$ (149,500)	18,229,615	(14,498,141)	3,582,310
Balance, shares at Jul. 31, 2020		33,517,101	(230,000)
Stock options issued for services				1,460		1,460
Common stock issued for exercise of warrants		$ 12		1,258,852		1,258,594
Common stock issued for exercise of warrants, shares		1,250,740
Net income					734,142	734,142
Balance at Oct. 31, 2020		$ 348	$ (149,500)	$ 19,489,657	$ (13,763,999)	$ 5,576,506
Balance, shares at Oct. 31, 2020		34,767,841	(230,000)