6. Accrued Expenses (Details) - Schedule of Product Warranty Liability - USD ($)	12 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Schedule of Product Warranty Liability [Abstract]
Warranty reserve, at beginning of period	$ 208,102	$ 140,333
Warranty expense	107,735	367,935
Warranty deductions	(127,393)	(300,166)
Warranty reserve, at end of period	$ 188,444	$ 208,102