Basis of Presentation (Details) - USD ($)	Sep. 30, 2015	Dec. 31, 2014
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Advance hire	$ 2,728,281	$ 4,345,959
Prepaid expenses	543,317	427,889
Other current assets	253,944	1,794,386
Advance hire, prepaid expenses and other current assets	$ 3,525,542	$ 6,568,234