Condensed Consolidated Statements of Changes in Stockholders' 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				79,163		79,163
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)		72,804
Common stock issued for the exercise of warrants, shares		72,804
Net income					113,806	113,806
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)
Balance at Apr. 30, 2018		$ 319	$ (149,500)	16,427,012	(17,806,302)	(1,528,471)
Balance, shares at Apr. 30, 2018		31,823,993	(230,000)
Share-based compensation				36,945		36,945
Common stock issued for the exercise of warrants		$ 1		(1)
Common stock issued for the exercise of warrants, shares		42,248
Net income					(210,195)	(210,195)
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)
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						$ 29,943
Common stock issued for the exercise of options, shares
Stock options issued for services				23,098		$ 23,098
Common stock issued for services		$ 1		71,874		71,875
Common stock issued for services, shares		125,000
Net income					713,974	713,974
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)
Balance at Apr. 30, 2019		$ 320	$ (149,500)	16,564,544	(17,224,589)	(809,225)
Balance, shares at Apr. 30, 2019		31,866,241	(230,000)
Share-based compensation						12,686
Stock options issued for services				5,841		5,841
Common stock issued for services		$ 1		71,874		71,875
Common stock issued for services, shares		125,000
Net income					358,308	358,308
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)