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, 2018		$ 319	$ (149,500)	$ 16,344,794	$ (18,130,303)	$ (1,934,690)
Balance, shares at Jan. 31, 2018		31,753,437	(230,000)
Share-based compensation				128,039		128,039
Common stock issued for the exercise of options				40,000		40,000
Common stock issued for the exercise of options, shares		40,000
Common stock issued for the exercise of warrants		$ 1		(1)
Common stock issued for the exercise of warrants, shares		72,804
Net income					470,154	470,154
Balance at Oct. 31, 2018		$ 320	$ (149,500)	16,512,832	(17,660,149)	(1,296,497)
Balance, shares at Oct. 31, 2018		31,866,241	(230,000)
Balance at Jul. 31, 2018		$ 320	$ (149,500)	16,463,956	(18,016,497)	(1,701,721)
Balance, shares at Jul. 31, 2018		31,866,241	(230,000)
Share-based compensation				48,876		48,876
Net income					356,348	356,348
Balance at Oct. 31, 2018		$ 320	$ (149,500)	16,512,832	(17,660,149)	(1,296,497)
Balance, shares at Oct. 31, 2018		31,866,241	(230,000)
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)
Share-based compensation						$ 67,857
Common stock issued for the exercise of options, shares
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)
Share-based compensation						37,914
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)