Summary of Significant Accounting Policies - Schedule of Disaggregates Gross Revenue By Significant Geographic Area (Details) (USD $) - USD ($)	3 Months Ended
	Apr. 30, 2019	Apr. 30, 2018
Disaggregation of revenue from contracts with customers	$ 7,364,824	$ 7,741,994
Northeast [Member]
Disaggregation of revenue from contracts with customers	2,396,830	2,365,565
Southeast [Member]
Disaggregation of revenue from contracts with customers	1,861,809	1,826,419
Midwest [Member]
Disaggregation of revenue from contracts with customers	987,186	1,241,378
West [Member]
Disaggregation of revenue from contracts with customers	1,260,184	1,395,325
Southwest [Member]
Disaggregation of revenue from contracts with customers	$ 950,947	$ 1,029,347