Condensed Consolidated Balance Sheets - USD ($)	Jun. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 98,532,141	$ 53,583,898
Restricted cash - current	0	5,471,470
Accounts receivable, net of a reserve of $2,699,600 and $2,472,345, respectively	18,967,935	19,982,871
Prepaid expenses	3,416,652	4,631,416
Inventories	10,104,762	15,824,278
Derivative asset and other current assets	9,378,476	1,039,430
Total current assets	140,399,966	100,533,363
Noncurrent assets:
Vessel and vessel improvements, at cost, net of accumulated depreciation	853,916,919	835,959,084
Operating lease right-of-use assets	13,784,567	20,410,037
Other fixed assets, net of accumulated depreciation	617,631	740,654
Restricted cash - noncurrent	74,917	74,917
Deferred drydock costs, net	20,406,118	17,495,270
Deferred financing costs - Super Senior Facility	0	166,111
Advance for scrubbers, ballast water systems and other assets	2,896,962	26,707,700
Total noncurrent assets	891,697,114	901,553,773
Total assets	1,032,097,080	1,002,087,136
Current liabilities:
Accounts payable	15,310,881	13,483,397
Accrued interest	5,014,786	5,321,089
Other accrued liabilities	7,693,031	28,996,836
Fair value of derivative instruments - current	3,179,011	756,229
Current portion of operating lease liabilities	12,511,790	13,255,978
Unearned charter hire revenue	4,880,019	4,692,259
Current portion of long-term debt	39,244,297	35,709,394
Total current liabilities	87,833,815	102,215,182
Noncurrent liabilities:
Total debt	484,287,104	410,067,224
Fair value of derivative instruments - non current		0
Operating lease liabilities	2,441,982	8,301,793
Total noncurrent liabilities	487,302,447	418,369,017
Total liabilities	575,136,262	520,584,199
Commitments and contingencies
Stockholders' equity:
Preferred stock	0	0
Common stock	719,579	715,022
Additional paid-in capital	918,255,834	917,862,269
Accumulated deficit	(461,093,440)	(437,074,354)
Accumulated other comprehensive loss	(921,155)	0
Total stockholders' equity	456,960,818	481,502,937
Total liabilities and stockholders' equity	1,032,097,080	1,002,087,136
Fair value of derivative instruments - noncurrent | Designated as Hedging Instrument
Noncurrent liabilities:
Fair value of derivative instruments - non current	573,361	0
Norwegian Bond Debt Facility
Noncurrent liabilities:
Total debt	172,574,882	175,867,310
New First Lien Facility
Noncurrent liabilities:
Total debt	14,868,997	0
New Ultraco Debt Facility
Noncurrent liabilities:
Total debt	147,157,424	141,396,770
New Ultraco Debt Facility Revolver Loan
Noncurrent liabilities:
Total debt	55,000,000
Convertible Bond Debt
Noncurrent liabilities:
Total debt	$ 94,685,801	$ 92,803,144