Financial Instruments and Fair Value Disclosures (Carrying and FV) (Details) - USD ($)	Sep. 30, 2022	Mar. 31, 2022
Fair value
Carrying Value	$ 641,993,390	$ 662,762,958
Corsair Japanese Financing
Fair value
Carrying Value	36,020,833	37,645,833
Corsair Japanese Financing | Level 2
Fair value
Fair Value	33,508,238	36,904,683
Concorde Japanese Financing
Fair value
Carrying Value		42,269,231
Concorde Japanese Financing | Level 2
Fair value
Fair Value		41,352,417
Corvette Japanese Financing
Fair value
Carrying Value		42,807,692
Corvette Japanese Financing | Level 2
Fair value
Fair Value		41,862,894
Cratis Japanese Financing
Fair value
Carrying Value	47,620,000	49,660,000
Cratis Japanese Financing | Level 2
Fair value
Fair Value	42,433,817	46,716,277
Copernicus Japanese Financing
Fair value
Carrying Value	47,620,000	49,660,000
Copernicus Japanese Financing | Level 2
Fair value
Fair Value	42,305,112	46,716,277
Chaparral Japanese Financing
Fair value
Carrying Value	63,518,006	64,662,242
Chaparral Japanese Financing | Level 2
Fair value
Fair Value	59,585,491	64,321,963
Caravelle Japanese Financing
Fair value
Carrying Value	47,900,000	49,700,000
Caravelle Japanese Financing | Level 2
Fair value
Fair Value	42,527,818	46,792,400
BALCAP Facility
Fair value
Carrying Value	77,870,426	81,574,172
BALCAP Facility | Level 2
Fair value
Fair Value	$ 70,753,421	$ 77,063,912