Deferred Charges, Net (Details) - USD ($)	12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Movement in deferred charges, net
Balance at the beginning of the period - drydocking costs	$ 1,574,522	$ 1,884,174
Additions - drydocking costs	955,372	185,050
Amortization - drydocking costs	(529,100)	(488,309)
Other - drydocking costs		(6,393)
Balance at the end of the period - drydocking costs	2,000,794	1,574,522
Additions - equity offering costs		52,546
Other - equity offering costs		(52,546)
Balance at the beginning of the period	1,574,522	1,884,174
Additions	955,372	237,596
Amortization	(529,100)	(488,309)
Other		(58,939)
Balance at the end of the period	$ 2,000,794	$ 1,574,522