Financial Instruments and Fair Value Disclosures - Carrying Value and Fair Value of Long-term Debt (Details) - USD ($)	Dec. 31, 2024	Mar. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Carrying Value	$ 570,335,846	$ 610,451,757
Japanese Financings
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Carrying Value	320,025,025	339,121,298
Corsair Japanese Financing
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Carrying Value	28,708,334	31,145,834
Corsair Japanese Financing | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair Value	27,470,933	29,624,330
Cresques Japanese Financing
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Carrying Value	24,282,523	25,608,991
Cresques Japanese Financing | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair Value	24,595,452	26,180,173
Cratis Japanese Financing
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Carrying Value	38,440,000	41,500,000
Cratis Japanese Financing | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair Value	35,443,327	38,302,845
Copernicus Japanese Financing
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Carrying Value	38,440,000	41,500,000
Copernicus Japanese Financing | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair Value	35,443,327	38,302,845
Chaparral Japanese Financing
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Carrying Value	57,974,168	59,896,473
Chaparral Japanese Financing | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair Value	55,941,693	57,627,652
Caravelle Japanese Financing
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Carrying Value	39,800,000	42,500,000
Caravelle Japanese Financing | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair Value	36,473,723	39,003,038
Cougar Japanese Financing
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Carrying Value	41,000,000	43,700,000
Cougar Japanese Financing | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair Value	40,713,424	43,715,910
Captain Markos Dual-Fuel Japanese Financing
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Carrying Value	51,380,000	53,270,000
Captain Markos Dual-Fuel Japanese Financing | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair Value	51,783,963	54,923,798
BALCAP Facility
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Carrying Value	60,310,821	66,330,459
BALCAP Facility | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair Value	$ 57,632,555	$ 62,186,682