Derivative Instruments and Fair Value Measurements - Effect of Non-designated Derivative Instruments (Details) - Derivatives not designated as hedging instruments - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Amount of (gain)/loss	$ 149,632	$ (126,241)	$ (37,905)
FFAs | Other current assets
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Derivative asset	475,650	669,240
Bunker swaps | Other current assets
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Derivative liability	96,043	0
Bunker swaps | Fair Value of Derivatives
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Derivative asset	756,229	929,313
Other expense/(income) | FFAs
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Amount of (gain)/loss	(109,602)	(471,679)	375,672
Other expense/(income) | Bunker swaps
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Amount of (gain)/loss	$ 259,234	$ 345,438	$ (413,577)