Condensed Consolidated Statements of Operations - USD ($)	3 Months Ended		6 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenues.
Revenues	$ 63,086,858	$ 54,710,277	$ 126,037,596	$ 127,875,601
Expenses
Voyage expenses	1,064,613	858,919	2,421,005	1,674,114
Charter hire expenses	2,403,968	4,518,850	5,912,038	9,234,448
Vessel operating expenses	18,428,738	21,435,904	38,710,292	38,825,267
Depreciation and amortization	16,769,098	17,202,714	33,912,013	34,093,127
General and administrative expenses	9,351,728	5,912,810	17,390,535	17,215,786
Total expenses	48,018,145	49,929,197	98,345,883	101,042,742
Gain on disposal of vessel	3,466,210		3,466,210
Other income-related parties	580,387	632,680	1,213,275	1,100,703
Operating income	19,115,310	5,413,760	32,371,198	27,933,562
Other income/(expenses)
Interest and finance costs	(5,557,707)	(6,665,144)	(11,207,481)	(15,752,380)
Interest income	39,104	91,349	225,403	216,184
Unrealized gain on derivatives	714,998	3,968,686	1,148,724	3,472,880
Realized loss on derivatives	(914,837)	(2,129,695)	(1,818,555)	(2,935,924)
Other gain/(loss), net	704,935	(141,006)	(748,386)	(228,367)
Total other income/(expenses), net	(5,013,507)	(4,875,810)	(12,400,295)	(15,227,607)
Net income	$ 14,101,803	$ 537,950	$ 19,970,903	$ 12,705,955
Weighted average shares outstanding Basic (in shares)	40,011,505	50,711,714	40,475,625	50,632,392
Weighted average shares outstanding Diluted (in shares)	40,114,942	50,754,507	40,639,073	50,716,177
Earnings per common share - basic (in dollars per share)	$ 0.35	$ 0.01	$ 0.49	$ 0.25
Earnings per common share - diluted (in dollars per share)	$ 0.35	$ 0.01	$ 0.49	$ 0.25
Net pool revenues - related party
Revenues.
Revenues	$ 56,721,405	$ 49,723,556	$ 111,883,651	$ 116,652,977
Time charter revenues
Revenues.
Revenues	5,268,603	4,177,064	10,614,742	9,263,068
Other revenues, net
Revenues.
Revenues	$ 1,096,850	$ 809,657	$ 3,539,203	$ 1,959,556