Consolidated Balance Sheets - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 86,146,552	$ 69,927,594
Restricted cash - current	0	18,846,177
Accounts receivable, net of a reserve of $1,818,482 and $2,357,191, respectively	28,456,036	13,843,480
Prepaid expenses	3,361,730	3,182,815
Inventories	17,651,381	11,624,833
Collateral on derivatives	15,080,567	0
Fair value of derivative assets - current	4,668,873	0
Other current assets	667,677	839,881
Total current assets	156,032,816	118,264,780
Noncurrent assets:
Vessels and vessel improvements, at cost, net of accumulated depreciation of $218,669,885 and $177,771,755, respectively	908,075,913	810,713,959
Advances for vessel purchases	0	3,250,000
Operating lease, right-of-use asset	17,017,429	7,540,871
Other fixed assets, net of accumulated depreciation of $1,402,584 and $1,137,562, respectively	257,228	489,179
Restricted cash - noncurrent	75,000	75,000
Deferred drydock costs, net	37,093,531	24,153,776
Fair value of derivative assets - noncurrent	3,112,091	0
Advances for scrubbers and ballast water systems and other assets	4,994,416	2,639,491
Total noncurrent assets	970,625,608	848,862,276
Total assets	1,126,658,424	967,127,056
Current liabilities:
Accounts payable	20,781,295	10,589,970
Accrued interest	2,957,241	4,690,135
Other accrued liabilities	17,993,299	11,747,064
Fair value of derivative liabilities - current	4,253,155	481,791
Lease liabilities - short term	15,728,107	7,615,371
Unearned charter hire revenue	12,087,586	8,072,295
Current portion of long-term debt	49,800,000	39,244,297
Total current liabilities	123,600,683	82,440,923
Noncurrent liabilities:
Total debt	330,243,604	412,931,021
Lease liabilities - long term	1,282,553	686,422
Other noncurrent accrued liabilities	265,365	0
Fair value of derivative liabilities - noncurrent	0	650,607
Total noncurrent liabilities	331,791,522	414,268,050
Total liabilities	455,392,205	496,708,973
Commitments and contingencies
Stockholders' equity:
Preferred stock, $0.01 par value, 25,000,000 shares authorized, none issued as of December 31, 2021 and 2020	0	0
Common stock, $0.01 par value, 700,000,000 shares authorized, 12,917,027 and 11,661,797 shares issued and outstanding as of December 31, 2021 and 2020, respectively	129,170	116,618
Additional paid-in capital	982,745,562	943,571,685
Accumulated deficit	(313,494,798)	(472,137,822)
Accumulated other comprehensive income/(loss)	1,886,285	(1,132,398)
Total stockholders' equity	671,266,219	470,418,083
Total liabilities and stockholders' equity	1,126,658,424	967,127,056
Fair Value Of Derivative, Noncurrent | Designated as Hedging Instrument
Noncurrent liabilities:
Fair value of derivative liabilities - noncurrent	0	650,607
Fair Value Of Derivative, Current | Designated as Hedging Instrument
Current liabilities:
Fair value of derivative liabilities - current	884,725	481,791
Norwegian Bond Debt
Noncurrent liabilities:
Total debt	0	169,290,230
Super Senior Revolver Facility
Noncurrent liabilities:
Total debt	0	14,896,357
Ultraco Global Debt Facility
Noncurrent liabilities:
Total debt	229,289,860	0
Convertible Bond Debt
Noncurrent liabilities:
Total debt	100,953,744	96,660,485
New Ultraco Debt Facility
Noncurrent liabilities:
Total debt	$ 0	$ 132,083,949