Geographical Information - Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas (Details) - USD ($)	3 Months Ended		6 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Segment Reporting Information [Line Items]
Net Sales	$ 32,802,163	$ 28,129,051	$ 36,741,896	$ 32,988,443
North America [Member]
Segment Reporting Information [Line Items]
Net Sales	30,061,409	25,937,100	33,629,531	30,478,245
Europe [Member]
Segment Reporting Information [Line Items]
Net Sales	2,644,141	2,171,380	3,015,752	2,489,627
South Africa [Member]
Segment Reporting Information [Line Items]
Net Sales	$ 96,613	$ 20,571	$ 96,613	$ 20,571