Commitments and Contingencies (Details)	3 Months Ended	6 Months Ended	12 Months Ended
	Mar. 31, 2022	Sep. 30, 2021 USD ($) item	Mar. 31, 2023 USD ($)	Mar. 31, 2021 USD ($)
Commitments under Contracts for Scrubber Purchases
Less than one year		$ 400,000
Total		400,000
Commitments under Contracts for BWMS Purchases
Less than one year		626,890
One to three years		57,620
Total		684,510
Commitments under Operating Leases
Less than one year		9,996,432
Total undiscounted lease payments		$ 13,274,992
Time Charter-in commitments
Number of VLGC with charter-in commitments to be delivered | item		3
Duration of Very Large Gas Carrier Vessels that have charter-in commitments to be delivered	1 year	7 years
Less than one year		$ 20,833,000
One to three years		55,692,000
Three to five years		64,080,000
Thereafter		107,720,000
Total		248,325,000
Fixed Time Charter Commitments
Less than one year		14,492,500
One to three years		815,000
Total		15,307,500
Commitments under Bareboat Charter Header Agreement
Bareboat charter agreement term of contract				13 years
Amount of predelivery cost commitments				$ 24,000,000.0
Amount of predelivery and additional features commitments				$ 25,000,000.0
Amount of contractual obligation to be paid for Shipbuilding Contract and Bareboat Charter Agreement		17,000,000.0
Amount of contractual obligation paid for Shipbuilding Contract and Bareboat Charter Agreement		8,000,000.0
Other
Contingency expense		4,000,000.0
United States, Greece, United Kingdom, And Denmark
Commitments under Operating Leases
Less than one year		295,944
Total undiscounted lease payments		$ 295,944
Forecast
Commitments under Bareboat Charter Header Agreement
Amount of contractual obligation paid for Shipbuilding Contract and Bareboat Charter Agreement			$ 9,000,000.0