Joint Venture (Details) - USD ($)	9 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Schedule of Equity Method Investments [Line Items]
Net sales	$ 11,175,101	$ 10,169,231
Gross profit	1,536,150	1,580,652
Net loss	(1,175,720)	(1,561,216)
Total current assets	14,382,102	12,794,028
Total assets	20,699,448	23,473,281
Total current liabilities	2,759,398	2,287,795
Total liabilities	$ 3,148,268	$ 2,655,138