Segment Information - Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas (Details) - USD ($)	12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Segment Reporting Information [Line Items]
Net Sales	$ 46,482,998	$ 60,808,050
North America [Member]
Segment Reporting Information [Line Items]
Net Sales	42,419,351	56,537,688
Europe [Member]
Segment Reporting Information [Line Items]
Net Sales	3,723,913	4,080,249
Asia [Member]
Segment Reporting Information [Line Items]
Net Sales		93,500
Australia [Member]
Segment Reporting Information [Line Items]
Net Sales	286,979
South Africa [Member]
Segment Reporting Information [Line Items]
Net Sales	44,201	96,613
Others [Member]
Segment Reporting Information [Line Items]
Net Sales	$ 8,554