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, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Segment Reporting Information [Line Items]
Net Sales	$ 24,304,945	$ 32,802,163	$ 26,141,456	$ 36,741,896
North America [Member]
Segment Reporting Information [Line Items]
Net Sales	21,118,623	30,061,409	22,910,537	33,629,531
Europe [Member]
Segment Reporting Information [Line Items]
Net Sales	3,003,899	2,644,141	3,042,771	3,015,752
Australia [Member]
Segment Reporting Information [Line Items]
Net Sales	179,923		179,923
South Africa [Member]
Segment Reporting Information [Line Items]
Net Sales	2,500	96,613	2,500	96,613
Other [Member]
Segment Reporting Information [Line Items]
Net Sales			$ 5,725