Deferred Charges, Net (Details) - USD ($)	12 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Movement in deferred charges, net
Balance at the beginning of the period - drydocking costs	$ 1,884,174	$ 294,935
Additions - drydocking costs	185,050	1,817,231
Amortization - drydocking costs	(488,309)	(227,992)
Other - drydocking costs	(6,393)
Balance at the end of the period - drydocking costs	1,574,522	1,884,174
Additions - equity offering costs	52,546
Other - equity offering costs	(52,546)
Balance at the beginning of the period	1,884,174	294,935
Additions	237,596	1,817,231
Amortization	(488,309)	(227,992)
Other	(58,939)
Balance at the end of the period	$ 1,574,522	$ 1,884,174