Employee Stock Option Plan (Details 9) - Warrants [Member] - $ / shares	12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2016
Outstanding and Exercisable Warrants
Balance		25,000	334,064
Granted				334,064
Expired		(309,064)
Balance	25,000		25,000	334,064
Exercise Price Per Warrant
Balance	1 year 4 months 24 days	2 years 4 months 24 days
Granted				1 year 8 months 12 days
Weighted-Average Exercise Price
Balance	$ 7.00	$ 6.85	$ 6.85
Granted				6.85
Expired		6.84
Balance	$ 7.00	$ 7.00	$ 6.85	6.85
Maximum [Member]
Exercise Price Per Warrant
Granted				7.00
Minimum [Member]
Exercise Price Per Warrant
Granted				$ 6.84