Condensed Consolidated Balance Sheets - USD ($)	Sep. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 80,737,065	$ 56,251,044
Accounts receivable	16,142,605	17,246,540
Prepaid expenses	2,268,409	3,010,766
Short-term investment	0	4,500,000
Inventories	13,276,431	14,113,079
Vessel held for sale	0	9,316,095
Other current assets	2,693,532	785,027
Total current assets	115,118,042	105,222,551
Noncurrent assets:
Vessels and vessel improvements, at cost, net of accumulated depreciation of $121,559,765 and $99,910,416, respectively	678,145,389	690,236,419
Advance for vessel purchase	4,235,000	2,201,773
Other fixed assets, net of accumulated amortization of $480,408 and $343,799, respectively	631,572	617,343
Restricted cash	10,907,592	74,917
Deferred drydock costs, net	11,859,492	9,749,751
Deferred financing costs - Super Senior Facility	285,342	190,000
Other assets	5,311,124	57,181
Total noncurrent assets	711,375,511	703,127,384
Total assets	826,493,553	808,349,935
Current liabilities:
Accounts payable	8,909,052	7,470,844
Accrued interest	5,951,817	1,790,315
Other accrued liabilities	8,122,256	11,810,366
Fair value of derivatives	585,795	73,170
Unearned charter hire revenue	5,974,568	5,678,673
Current portion of long-term debt	23,750,285	4,000,000
Total current liabilities	53,293,773	30,823,368
Noncurrent liabilities:
Total debt	298,524,912	313,683,676
Other liabilities	212,788	177,846
Fair value below contract value of time charters acquired	1,988,586	2,500,012
Total noncurrent liabilities	300,726,286	316,361,534
Total liabilities	354,020,059	347,184,902
Commitments and contingencies
Stockholders' equity:
Preferred stock, $0.01 par value, 25,000,000 shares authorized, none issued as of September 30, 2018 and December 31, 2017	0	0
Common stock, $0.01 par value, 700,000,000 shares authorized, 70,924,609 and 70,394,307 shares issued and outstanding as of September 30, 2018 and December 31, 2017, respectively	709,247	703,944
Additional paid-in capital	893,627,836	887,625,902
Accumulated deficit	(421,863,589)	(427,164,813)
Total stockholders’ equity	472,473,494	461,165,033
Total liabilities and stockholders’ equity	826,493,553	808,349,935
Norwegian Bond Debt Facility
Noncurrent liabilities:
Total debt	186,702,844	189,950,329
New First Lien Facility
Noncurrent liabilities:
Total debt	50,271,447	63,758,185
Ultraco Debt Facility
Noncurrent liabilities:
Total debt	$ 61,550,621	$ 59,975,162