Financial Instruments and Fair Value Disclosures - Carrying Value and Fair Value of Long-term Debt (Details) - USD ($)	Jun. 30, 2025	Mar. 31, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Carrying Value	$ 543,452,826	$ 557,418,442
Japanese Financings
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Carrying Value	307,250,806	314,152,330
Corsair Japanese Financing
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Carrying Value	27,083,334	27,895,834
Corsair Japanese Financing | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair Value	26,851,269	27,449,194
Cresques Japanese Financing
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Carrying Value	23,398,212	23,840,367
Cresques Japanese Financing | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair Value	24,819,199	25,079,649
Cratis Japanese Financing
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Carrying Value	36,400,000	37,420,000
Cratis Japanese Financing | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair Value	35,042,557	35,683,595
Copernicus Japanese Financing
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Carrying Value	36,400,000	37,420,000
Copernicus Japanese Financing | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair Value	35,042,557	35,683,595
Chaparral Japanese Financing
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Carrying Value	56,649,260	57,316,129
Chaparral Japanese Financing | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair Value	56,714,617	56,960,711
Caravelle Japanese Financing
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Carrying Value	38,000,000	39,200,000
Caravelle Japanese Financing | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair Value	36,558,882	37,313,039
Cougar Japanese Financing
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Carrying Value	39,200,000	40,100,000
Cougar Japanese Financing | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair Value	40,695,894	41,274,707
Captain Markos Dual-Fuel Japanese Financing
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Carrying Value	50,120,000	50,960,000
Captain Markos Dual-Fuel Japanese Financing | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair Value	53,685,210	54,060,280
BALCAP Facility
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Carrying Value	56,202,020	58,266,112
BALCAP Facility | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair Value	$ 54,751,437	$ 56,498,815