Condensed Consolidated Statements of Operations - USD ($)	3 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Revenues.
Revenues	$ 27,644,282	$ 41,025,472
Expenses
Voyage expenses	100,173	239,445
Vessel operating expenses	16,685,457	16,885,289
Depreciation and amortization	16,265,056	16,293,158
General and administrative expenses	8,403,286	8,534,909
Total expenses	41,453,972	41,952,801
Other income—related parties	644,517	633,883
Operating loss	(13,165,173)	(293,446)
Other income/(expenses)
Interest and finance costs	(10,374,281)	(7,477,734)
Interest income	460,973	15,816
Unrealized gain/(loss) on derivatives	1,707,616	(2,370,191)
Realized gain/(loss) on derivatives	782,565	(612,863)
Gain on early extinguishment of debt		4,117,364
Foreign currency loss, net	(8,258)	(68,916)
Total other income/(expenses), net	(7,431,385)	(6,396,524)
Net loss	$ (20,596,558)	$ (6,689,970)
Weighted average shares outstanding basic and diluted (in shares)	54,237,237	53,875,292
Loss per common share—basic and diluted (in dollars per share)	$ (0.38)	$ (0.12)
Net pool revenue - related party
Revenues.
Revenues	$ 16,106,401	$ 28,475,359
Time charter revenue
Revenues.
Revenues	11,467,881	12,564,655
Other revenue, net
Revenues.
Revenues	$ 70,000	$ (14,542)