Financial Instruments and Fair Value Disclosures - Carrying Value and Fair Value of Long-term Debt (Details) - USD ($)	Sep. 30, 2024	Mar. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Carrying Value	$ 583,735,336	$ 610,451,757
Japanese Financings
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Carrying Value	326,399,007	339,121,298
Corsair Japanese Financing
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Carrying Value	29,520,834	31,145,834
Corsair Japanese Financing | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair Value	29,165,337	29,624,330
Cresques Japanese Financing
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Carrying Value	24,724,678	25,608,991
Cresques Japanese Financing | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair Value	26,282,426	26,180,173
Cratis Japanese Financing
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Carrying Value	39,460,000	41,500,000
Cratis Japanese Financing | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair Value	37,766,405	38,302,845
Copernicus Japanese Financing
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Carrying Value	39,460,000	41,500,000
Copernicus Japanese Financing | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair Value	37,766,405	38,302,845
Chaparral Japanese Financing
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Carrying Value	58,623,495	59,896,473
Chaparral Japanese Financing | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair Value	58,588,001	57,627,652
Caravelle Japanese Financing
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Carrying Value	40,700,000	42,500,000
Caravelle Japanese Financing | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair Value	38,951,839	39,003,038
Cougar Japanese Financing
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Carrying Value	41,900,000	43,700,000
Cougar Japanese Financing | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair Value	43,548,452	43,715,910
Captain Markos Dual-Fuel Japanese Financing
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Carrying Value	52,010,000	53,270,000
Captain Markos Dual-Fuel Japanese Financing | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair Value	55,899,882	54,923,798
BALCAP Facility
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Carrying Value	62,336,329	66,330,459
BALCAP Facility | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair Value	$ 60,257,302	$ 62,186,682