Reserves - Schedule of Valuation and Qualifying Accounts (Details) - USD ($)	12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Allowance for Doubtful Accounts [Member]
Balance at Beginning of Year	$ 82,102	$ 132,583
Charged to Costs and Expenses	411,862	3,224,684
Reduction to Allowance for Write off	(31,200)	(3,254,158)
Credited to Costs and Expenses	(411,668)	(21,007)
Balance at End of Year	51,096	82,102
Inventory Reserve [Member]
Balance at Beginning of Year	280,000	700,000
Charged to Costs and Expenses	100,000	150,000
Reduction to Allowance for Write off	(44,220)	(424,688)
Credited to Costs and Expenses	(81,780)	(145,312)
Balance at End of Year	$ 254,000	$ 280,000