Condensed Consolidated Balance Sheets - USD ($)	Sep. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 71,537,108	$ 67,209,753
Accounts receivable, net of a reserve of $1,653,737 and $2,073,616, respectively	19,947,955	19,785,582
Prepaid expenses	3,463,919	4,635,879
Inventories	14,283,915	16,137,785
Vessels held for sale	0	8,458,444
Other current assets	2,943,058	2,246,740
Total current assets	112,175,955	118,474,183
Noncurrent assets:
Vessels and vessel improvements, at cost, net of accumulated depreciation of $143,671,410 and $124,907,998, respectively	732,844,665	682,944,936
Advance for vessels purchase	6,040,000	2,040,000
Operating lease right-of-use assets	19,224,517
Other fixed assets, net of accumulated depreciation of $717,829 and $547,452, respectively	732,055	692,803
Restricted cash	29,586,342	10,953,885
Deferred drydock costs, net	13,502,924	12,186,356
Deferred financing costs - Super Senior Facility	180,487	285,342
Other assets	56,135,533	18,631,655
Total noncurrent assets	858,246,523	727,734,977
Total assets	970,422,478	846,209,160
Current liabilities:
Accounts payable	9,158,519	14,161,169
Accrued interest	7,662,674	1,735,631
Other accrued liabilities	17,535,292	10,064,017
Fair value of derivatives	766,332	929,313
Current portion of operating lease liabilities	11,053,788
Unearned charter hire revenue	3,156,077	6,926,839
Current portion of long-term debt	31,164,490	29,176,230
Total current liabilities	80,497,172	62,993,199
Noncurrent liabilities:
Total debt	388,662,684	301,583,347
Operating lease liabilities	9,485,730
Other liabilities	0	208,651
Fair value below contract value of time charters acquired	0	1,818,114
Total noncurrent liabilities	398,148,414	303,610,112
Total liabilities	478,645,586	366,603,311
Commitments and contingencies
Stockholders' equity:
Preferred stock, $.01 par value, 25,000,000 shares authorized, none issued as of September 30, 2019 and December 31, 2018	0	0
Common stock, $.01 par value, 700,000,000 shares authorized, 71,474,676 and 71,055,400 shares issued and outstanding as of September 30, 2019 and December 31, 2018, respectively	714,747	710,555
Additional paid-in capital	916,965,046	894,272,533
Accumulated deficit	(425,902,901)	(415,377,239)
Total stockholders' equity	491,776,892	479,605,849
Total liabilities and stockholders' equity	970,422,478	846,209,160
Norwegian Bond Debt Facility
Noncurrent liabilities:
Total debt	179,509,565	182,469,155
New First Lien Facility
Noncurrent liabilities:
Total debt	0	48,189,307
Ultraco Debt Facility
Noncurrent liabilities:
Total debt	0	70,924,885
New Ultraco Debt Facility
Noncurrent liabilities:
Total debt	117,228,245	0
Convertible Bond Debt
Noncurrent liabilities:
Total debt	$ 91,924,874	$ 0