Stockholders’ Equity (Details 1) - USD ($)	3 Months Ended		9 Months Ended
	Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2018	Oct. 31, 2017
Total stock-based compensation	$ 188,812	$ 93,981	$ 491,198	$ 291,471
Total income tax benefit recognized for stock-based compensation arrangements	33,833	103,152	104,929
2012 Plan
Total stock-based compensation	0	0	0	206
2015 Plan
Total stock-based compensation	0	0	0	197,284
2017 Plan
Total stock-based compensation	$ 188,812	$ 93,981	$ 491,198	93,981
Total income tax benefit recognized for stock-based compensation arrangements				$ 39,651