Subsequent Events (Details) - USD ($)		3 Months Ended			9 Months Ended
	Oct. 23, 2020	Dec. 31, 2020	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Subsequent Event [Line Items]
Loss on sale of vessels			$ 389,207	$ (971,129)	$ 389,207	$ (6,044,479)
Subsequent Event | Vessel Osprey
Subsequent Event [Line Items]
Agreed upon sales price	$ 4,700,000
Subsequent Event | Vessel Shrike
Subsequent Event [Line Items]
Agreed upon sales price	$ 5,300,000
Subsequent Event | Vessels Osprey And Shrike | Forecast
Subsequent Event [Line Items]
Loss on sale of vessels		$ 400,000