Condensed Consolidated Balance Sheets - USD ($)	Jun. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 38,598,904	$ 67,209,753
Accounts receivable, net of a reserve of $1,754,604 and $2,073,616, respectively	17,736,491	19,785,582
Prepaid expenses	3,978,119	4,635,879
Inventories	12,994,459	16,137,785
Vessels held for sale	0	8,458,444
Other current assets	2,435,994	2,246,740
Total current assets	75,743,967	118,474,183
Noncurrent assets:
Vessels and vessel improvements, at cost, net of accumulated depreciation of $135,392,581 and $124,907,998, respectively	678,421,137	682,944,936
Advance for vessel purchase	0	2,040,000
Operating lease right-of-use assets	22,462,057
Other fixed assets, net of accumulated depreciation of $655,102 and $547,452, respectively	768,078	692,803
Restricted cash	26,863,979	10,953,885
Deferred drydock costs, net	13,591,833	12,186,356
Deferred financing costs - Super Senior Facility	194,864	285,342
Other assets	45,712,265	18,631,655
Total noncurrent assets	788,014,213	727,734,977
Total assets	863,758,180	846,209,160
Current liabilities:
Accounts payable	6,196,328	14,161,169
Accrued interest	2,759,451	1,735,631
Other accrued liabilities	20,502,093	10,064,017
Fair value of derivatives	65,850	929,313
Current portion of operating lease liabilities	12,155,767
Unearned charter hire revenue	2,430,654	6,926,839
Current portion of long-term debt	29,679,587	29,176,230
Total current liabilities	73,789,730	62,993,199
Noncurrent liabilities:
Total debt	302,741,735	301,583,347
Operating lease liabilities	11,788,557
Other liabilities	0	208,651
Fair value below contract value of time charters acquired	0	1,818,114
Total noncurrent liabilities	314,530,292	303,610,112
Total liabilities	388,320,022	366,603,311
Commitments and contingencies
Stockholders' equity:
Preferred stock, $.01 par value, 25,000,000 shares authorized, none issued as of June 30, 2019 and December 31, 2018	0	0
Common stock, $.01 par value, 700,000,000 shares authorized, 71,348,524 and 71,055,400 shares issued and outstanding as of June 30, 2019 and December 31, 2018, respectively	713,485	710,555
Additional paid-in capital	896,064,585	894,272,533
Accumulated deficit	(421,339,912)	(415,377,239)
Total stockholders' equity	475,438,158	479,605,849
Total liabilities and stockholders' equity	863,758,180	846,209,160
Norwegian Bond Debt Facility
Noncurrent liabilities:
Total debt	179,151,901	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	$ 123,589,834	$ 0