Vessels - Vessel and Vessel Improvements (Details) - USD ($)	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Movement in Property, Plant and Equipment [Roll Forward]
Advance paid for purchase of Capetown Eagle at December 31, 2018	$ 50,537,160	$ 8,182,119
Vessels and Vessel Improvements
Movement in Property, Plant and Equipment [Roll Forward]
Vessels and vessel improvements, beginning balance	682,944,936
Advance paid for purchase of Capetown Eagle at December 31, 2018	2,040,000
Purchase of Vessel and Vessel Improvements	81,365,090
Sale of vessels	(14,757,027)
Scrubbers and BWTS	5,908,002
Depreciation Expense	(24,656,336)
Vessels and vessel improvements, ending balance	$ 732,844,665