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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, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Mar. 31, 2019
Derivative Instruments
Change in fair value	$ (667,110)	$ 1,051,460	$ (6,737,899)	$ 2,759,076
Realized gain on derivatives	709,146	830,991	1,742,141	1,613,556
Derivatives not designated as hedging instruments \| Other non-current assets-Derivative instruments
Derivative Instruments
Derivative Asset	1,199,184		1,199,184		$ 6,448,498
Derivatives not designated as hedging instruments \| Long-term liabilities-Derivatives instruments
Derivative Instruments
Derivative Liabilities	2,208,585		2,208,585
Interest rate swaps \| Derivatives not designated as hedging instruments
Derivative Instruments
Gain/(loss) on derivatives, net	42,036	1,882,451	(4,995,758)	4,372,632
Interest rate swaps \| Derivatives not designated as hedging instruments \| Unrealized gain/(loss) on derivatives
Derivative Instruments
Change in fair value	(1,612,110)	1,051,460	(7,682,899)	2,759,076
Interest rate swaps \| Derivatives not designated as hedging instruments \| Realized gain on derivatives
Derivative Instruments
Realized gain on derivatives	709,146	$ 830,991	1,742,141	$ 1,613,556
Interest rate swaps \| Derivatives not designated as hedging instruments \| Other non-current assets-Derivative instruments
Derivative Instruments
Derivative Asset	974,184		974,184		$ 6,448,498
Interest rate swaps \| Derivatives not designated as hedging instruments \| Long-term liabilities-Derivatives instruments
Derivative Instruments
Derivative Liabilities	2,208,585		2,208,585
Forward freight agreements \| Derivatives not designated as hedging instruments \| Unrealized gain/(loss) on derivatives
Derivative Instruments
Change in fair value	945,000		945,000
Forward freight agreements \| Derivatives not designated as hedging instruments \| Current assets-Derivative instruments
Derivative Instruments
Derivative Asset	720,000		720,000
Forward freight agreements \| Derivatives not designated as hedging instruments \| Other non-current assets-Derivative instruments
Derivative Instruments
Derivative Asset	$ 225,000		$ 225,000