Commitments and Contingencies (Details)	3 Months Ended		9 Months Ended
	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2018 USD ($) item	Dec. 31, 2017 USD ($)
Commitments under Contracts for Scrubber Purchases
Less than one year	$ 11,110,080		$ 11,110,080
One to three years	1,171,138		1,171,138
Total	12,281,218		12,281,218
Operating Leases
Operating lease rent expense	120,010	$ 97,382	353,609	$ 311,932
Commitments under Operating Leases
Less than one year	354,133		354,133
One to three years	471,912		471,912
Three to five years	264,578		264,578
Total	1,090,623		1,090,623
Fixed Time Charter Contracts
Less than one year	25,593,113		25,593,113
One to three years	8,213,252		8,213,252
Total	$ 33,806,365		$ 33,806,365
Other
Number of VLGCs with scrubber purchase commitments | item			10