Joint Venture (Details) - USD ($)	6 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Schedule of Equity Method Investments [Line Items]
Net sales	$ 8,273,094	$ 10,236,562
Gross profit	2,208,510	2,214,351
Net loss	206,428	(23,079)
Total current assets	13,042,873	11,705,386
Total assets	28,010,955	31,239,508
Total current liabilities	4,359,497	5,494,185
Total liabilities	$ 4,833,183	$ 5,494,185