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Fixed interest rate related to the interest rate derivative.

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Nominal or face amount used to calculate payment on derivative.

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The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.

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Financial Instruments and Fair Value Disclosures (FV) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Oct. 31, 2020	May 31, 2020	Apr. 30, 2020	Mar. 31, 2020
Derivative Instruments
Change in fair value	$ 3,968,686	$ (667,110)	$ 3,472,880	$ (6,737,899)
Realized gain/(loss) on derivatives	(2,129,695)	709,146	(2,935,924)	1,742,141
Derivatives not designated as hedging instruments
Derivative Instruments
Gain/(loss) on derivatives, net	1,838,991	42,036	536,956	(4,995,758)
Interest rate swap
Derivative Instruments
Derivative fixed interest rate (as a percent)						1.4675%	1.4275%
Nominal value					$ 200,000,000
Interest rate swap \| Derivatives not designated as hedging instruments \| Unrealized gain/(loss) on derivatives
Derivative Instruments
Change in fair value	1,362,339	(1,612,110)	1,004,071	(7,682,899)
Interest rate swap \| Derivatives not designated as hedging instruments \| Realized gain/(loss) on derivatives
Derivative Instruments
Realized gain/(loss) on derivatives	(1,451,629)	709,146	(1,993,334)	1,742,141
Interest rate swap \| Derivatives not designated as hedging instruments \| Long-term liabilities-Derivatives instruments
Derivative Instruments
Derivative Liabilities	8,148,758		8,148,758					$ 9,152,829
Forward freight agreements \| Derivatives not designated as hedging instruments \| Unrealized gain/(loss) on derivatives
Derivative Instruments
Change in fair value	2,606,347	$ 945,000	2,468,809	$ 945,000
Forward freight agreements \| Derivatives not designated as hedging instruments \| Realized gain/(loss) on derivatives
Derivative Instruments
Realized gain/(loss) on derivatives	(678,066)		(942,590)
Forward freight agreements \| Derivatives not designated as hedging instruments \| Current liabilities-Derivative instruments
Derivative Instruments
Derivative Liabilities	$ 136,633		$ 136,633					$ 2,605,442