Financial Instruments and Fair Value Disclosures (Tables)

6 Months Ended

Sep. 30, 2023

Financial Instruments and Fair Value Disclosures:

Schedule of derivative instruments location on the statement of financial position

		September 30, 2023				March 31, 2023
	Other non-current assets		Long-term liabilities		Other non-current assets		Long-term liabilities
Derivatives not designated as hedging instruments	Derivative instruments		Derivative instruments		Derivative instruments		Derivative instruments
Interest rate swap agreements	$	13,698,413	$	—	$	9,278,544	$	—

Schedule of derivative instruments effect within the unaudited interim consolidated statement of operations

		Three months ended
Derivatives not designated as hedging instruments	Location of gain recognized	September 30, 2023		September 30, 2022
Interest rate swaps—change in fair value	Unrealized gain on derivatives	$	1,560,594	$	3,092,845
Interest rate swaps—realized gain	Realized gain on derivatives		1,928,217		644,195
Gain on derivatives, net		$	3,488,811	$	3,737,040

		Six months ended
Derivatives not designated as hedging instruments	Location of gain recognized	September 30, 2023		September 30, 2022
Interest rate swaps—change in fair value	Unrealized gain on derivatives		4,419,868		5,547,079
Interest rate swaps—realized gain	Realized gain on derivatives		3,775,981		593,811
Gain on derivatives, net		$	8,195,849	$	6,140,890

Schedule of derivative instruments summary of gains and losses on investment securities

	Three months ended
	September 30, 2023		September 30, 2022
Unrealized gain on investment securities	$	684,984	$	38,768
Net gain on investment securities	$	684,984	$	38,768
	Six months ended
	September 30, 2023		September 30, 2022
Unrealized gain on investment securities	$	1,106,236	$	807,103
Realized gain on investment securities		—		776,770
Net gain on investment securities	$	1,106,236	$	1,583,873

Schedule of carrying values and estimated fair values of fixed rate debt obligations

	September 30, 2023				March 31, 2023
	Carrying Value		Fair Value		Carrying Value		Fair Value
Corsair Japanese Financing	$	32,770,834	$	30,506,325	$	34,395,834	$	33,051,190
Cresques Japanese Financing		26,493,303		26,313,092		27,377,615		27,377,615
Cratis Japanese Financing		43,540,000		38,908,430		45,580,000		42,185,289
Copernicus Japanese Financing		43,540,000		38,908,430		45,580,000		42,185,289
Chaparral Japanese Financing		61,135,968		57,345,326		62,342,859		60,701,217
Caravelle Japanese Financing		44,300,000		39,374,773		46,100,000		42,707,169
Cougar Japanese Financing		45,500,000		44,266,011		47,300,000		47,300,000
Captain Markos Dual-Fuel Japanese Financing		54,530,000		53,734,390		55,790,000		55,790,000
BALCAP Facility		70,249,926		64,508,188		74,096,125		69,032,167