Vessels and vessel improvements (Tables)

12 Months Ended

Dec. 31, 2020

Property, Plant and Equipment [Abstract]

Schedule Of Vessel And Vessel Improvements

The Vessel and vessel improvements activity for the years ended December 31, 2020 and 2019 is below:

	December 31, 2020		December 31, 2019
Vessel and vessel improvements at the beginning of the year	$	835,959,084	$	682,944,936
Advance paid for vessel purchase	—		2,040,000
Purchase of vessels and vessel improvements	979,612		143,477,720
Sale of vessels	(23,458,118)		(14,757,027)
Scrubbers and BWTS	39,706,507		56,267,925
Depreciation expense	(42,473,126)		(34,014,470)
Vessels and vessel improvements at the end of the year	$	810,713,959	$	835,959,084