Condensed Consolidated Statements of Operations - USD ($)	3 Months Ended		9 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Revenues.
Net pool revenues—related party	$ 22,301,512	$ 66,044,777	$ 80,798,208	$ 130,701,023
Time charter revenues	11,921,875	11,237,746	36,919,910	26,169,581
Voyage charter revenues	1,296,952	15,567,844	1,296,952	46,013,858
Other revenues	214,649	433,341	846,927	988,138
Total revenues	35,734,988	93,283,708	119,861,997	203,872,600
Expenses
Voyage expenses	1,193,265	4,347,222	2,415,287	11,411,841
Vessel operating expenses	17,114,358	14,265,183	49,549,255	30,479,158
Depreciation and amortization	16,385,921	13,536,900	48,944,183	26,697,882
General and administrative expenses	5,166,239	7,506,740	15,981,464	20,002,555
Loss on disposal of assets				105,549
Total expenses	39,859,783	39,656,045	116,890,189	88,696,985
Other income—related party	670,836	383,642	1,776,659	1,150,927
Operating income/(loss)	(3,453,959)	54,011,305	4,748,467	116,326,542
Other income/(expenses)
Interest and finance costs	(7,332,260)	(4,633,454)	(21,530,588)	(5,700,583)
Interest income	27,711	22,382	81,206	137,226
Unrealized gain on derivatives	24,381,306	7,389,868	26,539,650	3,665,324
Realized loss on derivatives	(8,390,014)	(2,007,426)	(12,980,717)	(4,482,250)
Foreign currency loss, net	(193,160)	(121,352)	(255,103)	(418,789)
Total other income/(expenses), net	8,493,583	650,018	(8,145,552)	(6,799,072)
Net income/(loss)	$ 5,039,624	$ 54,661,323	$ (3,397,085)	$ 109,527,470
Earnings/(loss) per common share – basic (in dollars per share)	$ 0.09	$ 0.97	$ (0.06)	$ 1.92
Earnings/(loss) per common share – diluted (in dollars per share)	$ 0.09	$ 0.97	$ (0.06)	$ 1.92