Condensed Consolidated Statements of Operations - USD ($)	3 Months Ended		9 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016
Revenues.
Net pool revenues—related party	$ 31,610,427	$ 22,301,512	$ 80,554,166	$ 80,798,208
Time charter revenues	12,498,849	11,921,875	37,570,898	36,919,910
Voyage charter revenues	335,244	1,296,952	2,068,491	1,296,952
Other revenues, net	101,069	214,649	106,527	846,927
Total revenues	44,545,589	35,734,988	120,300,082	119,861,997
Expenses
Voyage expenses	386,637	1,193,265	1,901,603	2,415,287
Vessel operating expenses	15,794,381	17,114,358	48,420,108	49,549,255
Depreciation and amortization	16,466,322	16,385,921	49,224,187	48,944,183
General and administrative expenses	5,536,028	5,166,239	19,492,082	15,981,464
Total expenses	38,183,368	39,859,783	119,037,980	116,890,189
Other income—related parties	633,883	670,836	1,905,836	1,776,659
Operating income/(loss)	6,996,104	(3,453,959)	3,167,938	4,748,467
Other income/(expenses)
Interest and finance costs	(8,683,257)	(7,332,260)	(24,763,421)	(21,530,588)
Interest income	103,446	27,711	147,488	81,206
Unrealized gain on derivatives	3,771,160	24,381,306	2,053,129	26,539,650
Realized loss on derivatives	(369,941)	(8,390,014)	(1,418,724)	(12,980,717)
Gain on early extinguishment of debt			4,117,364
Foreign currency loss, net	(147,097)	(193,160)	(238,465)	(255,103)
Total other income/(expenses), net	(5,325,689)	8,493,583	(20,102,629)	(8,145,552)
Net income/(loss)	$ 1,670,415	$ 5,039,624	$ (16,934,691)	$ (3,397,085)
Earnings/(loss) per common share – basic (in dollars per share)	$ 0.03	$ 0.09	$ (0.31)	$ (0.06)
Earnings/(loss) per common share – diluted (in dollars per share)	$ 0.03	$ 0.09	$ (0.31)	$ (0.06)