Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Revenues, net	$ 21,278,288	$ 26,331,166
Voyage expenses	9,244,047	5,182,175
Vessel expenses	20,480,635	20,448,706
Charter hire expenses	1,488,518	1,215,964
Depreciation and amortization	9,396,701	10,557,171
General and administrative expenses	5,331,343	$ 6,435,003
Refinancing expenses	5,634,260
Impairment of Vessels	6,167,262
Total operating expenses	57,742,766	$ 43,839,019
Operating loss	(36,464,478)	(17,507,853)
Interest expense	2,817,646	3,162,166
Interest income	(3,454)	(2,955)
Total other expense, net	2,814,192	3,159,211
Net loss	$ (39,278,670)	$ (20,667,064)
Weighted average shares outstanding:
Basic (in shares)	37,829,257	37,527,010
Diluted (in shares)	37,829,257	37,527,010
Per share amounts:
Basic net loss (in dollars per share)	$ (1.04)	$ (0.55)
Diluted net loss (in dollars per share)	$ (1.04)	$ (0.55)