STOCKHOLDERS’ EQUITY (Details 1) - USD ($)	12 Months Ended
	Jan. 31, 2018	Jan. 31, 2017	Jan. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation	$ 424,565	$ 276,000	$ 585,987
Total income tax benefit recognized for stock-based compensation arrangements	153,203	99,360	210,995
2012 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation	206	(9,354)	332,691
2015 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation	197,284	285,354	253,296
2017 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation	$ 227,075	$ 0	$ 0