Accrued Expenses (Details) - USD ($)	Mar. 31, 2022	Mar. 31, 2021
Accrued Expenses
Accrued contingency claim		$ 4,000,000
Accrued voyage and vessel operating expenses	$ 1,676,853	2,730,803
Accrued employee-related costs	952,471	1,301,510
Accrued professional services	946,411	523,950
Accrued loan and swap interest	126,878	204,237
Other	98,835	4,764
Total	$ 3,801,448	$ 8,765,264