Condensed Consolidated Statements of Operations - USD ($)		3 Months Ended		9 Months Ended
		Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Income Statement [Abstract]
Revenues, net		$ 68,182,301	$ 74,110,376	$ 199,952,404	$ 220,891,288
Voyage expenses		19,627,919	19,446,294	69,960,025	66,259,590
Vessel expenses		21,748,531	19,953,680	65,680,913	60,005,794
Charter hire expenses		5,060,503	11,345,615	15,820,809	34,017,002
Depreciation and amortization		12,617,803	10,055,938	37,587,477	29,224,368
General and administrative expenses		7,995,715	8,450,831	22,724,190	24,901,561
Operating lease impairment		0	0	352,368	0
Loss/(gain) on sale of vessels		389,207	(971,129)	389,207	(6,044,479)
Total operating expenses		67,439,678	68,281,229	212,514,989	208,363,836
Operating income/(loss)		742,623	5,829,147	(12,562,585)	12,527,452
Interest expense		8,954,200	8,117,293	26,883,094	21,612,451
Interest income		(23,644)	(640,220)	(236,633)	(1,467,702)
Loss on debt extinguishment		0	0	0	2,268,452
Realized and unrealized loss/(gain) on derivative instruments, net		2,971,353	2,915,063	(4,030,674)	639,913
Total other expense, net		11,901,909	10,392,136	22,615,787	23,053,114
Net loss		$ (11,159,286)	$ (4,562,989)	$ (35,178,372)	$ (10,525,662)
Weighted average shares outstanding
Basic (in shares)	[1]	10,279,698	10,192,842	10,274,906	10,189,636
Diluted (in shares)	[1]	10,279,698	10,192,842	10,274,906	10,189,636
Per share amounts
Basic net loss (in usd per share)	[1]	$ (1.09)	$ (0.45)	$ (3.42)	$ (1.03)
Diluted net loss (in usd per share)	[1]	$ (1.09)	$ (0.45)	$ (3.42)	$ (1.03)

[1] Adjusted to give effect for the 1-for-7 Reverse Stock Split that became effective as of September 15, 2020, see Note 1