Summary of Significant Accounting Policies - Schedule of Disaggregates Gross Revenue By Significant Geographic Area (Details) (USD $) - USD ($)	12 Months Ended
	Jan. 31, 2019	Jan. 31, 2018
Disaggregation of revenue from contracts with customers	$ 28,522,112	$ 27,543,335
Northeast [Member]
Disaggregation of revenue from contracts with customers	8,339,738	8,719,757
Southeast [Member]
Disaggregation of revenue from contracts with customers	8,134,168	7,334,575
Midwest [Member]
Disaggregation of revenue from contracts with customers	6,013,536	6,555,607
West [Member]
Disaggregation of revenue from contracts with customers	4,135,590	3,669,491
Southwest [Member]
Disaggregation of revenue from contracts with customers	$ 2,329,155	$ 1,724,648