Financial Instruments and Fair Value Disclosures (Carrying and FV) (Details) - USD ($)	Dec. 31, 2021	Mar. 31, 2021
Fair value
Carrying Value	$ 576,267,823	$ 591,472,044
Corsair Japanese Financing
Fair value
Carrying Value	38,458,334	40,895,833
Corsair Japanese Financing | Level 2
Fair value
Fair Value	40,345,097	44,298,064
Concorde Japanese Financing
Fair value
Carrying Value	43,076,923	45,500,000
Concorde Japanese Financing | Level 2
Fair value
Fair Value	45,501,855	49,791,680
Corvette Japanese Financing
Fair value
Carrying Value	43,615,385	46,038,462
Corvette Japanese Financing | Level 2
Fair value
Fair Value	46,096,511	50,376,434
CJNP Japanese Financing
Fair value
Carrying Value		16,706,845
CJNP Japanese Financing | Level 2
Fair value
Fair Value		18,792,993
CNML Japanese Financing
Fair value
Carrying Value	17,801,637	18,855,655
CNML Japanese Financing | Level 2
Fair value
Fair Value	18,917,200	$ 21,195,305
BALCAP Facility
Fair value
Carrying Value	83,400,000
BALCAP Facility | Level 2
Fair value
Fair Value	$ 83,400,000