Consolidated Statements of Operations (Current Period Unaudited) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Revenues, net of commissions	$ 44,240,145	$ 48,537,233	$ 116,462,498	$ 101,153,633
Voyage expenses	7,400,902	6,888,920	15,605,559	13,890,624
Vessel expenses	20,833,766	23,869,262	41,328,178	46,311,324
Charter hire expenses				606,573
Depreciation and amortization	19,159,955	19,427,957	38,096,532	38,861,314
General and administrative expenses	4,815,997	9,419,220	7,932,334	20,053,880
Gain on time charter agreement termination	(25,629,584)		(28,961,276)
Total operating expenses	26,581,036	59,605,359	74,001,327	119,723,715
Operating income (loss)	17,659,109	(11,068,126)	42,461,171	(18,570,082)
Interest expense	20,689,110	12,053,342	41,228,145	23,014,252
Interest income	(4,284)	(8,153)	(68,454)	(16,191)
Other (Income) expense	13,350	(7,076)	2,966,277	(1,028,375)
Total other expense, net	20,698,176	12,038,113	44,125,968	21,969,686
Net loss	$ (3,039,067)	$ (23,106,239)	$ (1,664,797)	$ (40,539,768)
Basic (in Shares)	16,968,750	15,880,392	16,967,418	15,815,594
Diluted (in Shares)	16,968,750	15,880,392	16,967,418	15,815,594
Basic net loss (in Dollars per share)	$ (0.18)	$ (1.46)	$ (0.10)	$ (2.56)
Diluted net loss (in Dollars per share)	$ (0.18)	$ (1.46)	$ (0.10)	$ (2.56)