Voyage Expenses (Details) - USD ($)	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021
Voyage Expenses:
Bunkers	$ 2,109,904	$ 2,159,341	$ 1,537,007
War risk insurances	940,436	1,510,720	1,272,647
Brokers' commissions	290,099	265,207	334,333
Security cost	243,235	322,150	221,882
Other voyage expenses	27,778	67,294	43,781
Total voyage expenses	$ 3,611,452	$ 4,324,712	$ 3,409,650