Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 187,155	$ 86,147
Accounts receivable, net of a reserve of $3,169 and $1,818, respectively	32,311	28,456
Prepaid expenses	4,531	3,362
Inventories	28,081	17,651
Collateral on derivatives	909	15,081
Fair value of derivative assets - current	8,479	4,669
Other current assets	558	668
Total current assets	262,024	156,033
Noncurrent assets:
Vessels and vessel improvements, at cost, net of accumulated depreciation of $261,725 and $218,670, respectively	891,877	908,076
Advances for vessel purchases	3,638	0
Operating lease right-of-use assets	23,006	17,017
Other fixed assets, net of accumulated depreciation of $1,623 and $1,403, respectively	310	257
Restricted cash - noncurrent	2,599	75
Deferred drydock costs, net	42,849	37,093
Fair value of derivative assets - noncurrent	8,184	3,112
Advances for ballast water systems and other assets	2,722	4,995
Total noncurrent assets	975,185	970,625
Total assets	1,237,209	1,126,658
Current liabilities:
Accounts payable	20,129	20,781
Accrued interest	3,061	2,957
Other accrued liabilities	24,097	17,994
Fair value of derivative liabilities - current	163	4,253
Current portion of operating lease liabilities	22,045	15,728
Unearned charter hire revenue	9,670	12,088
Current portion of long-term debt	49,800	49,800
Total current liabilities	128,965	123,601
Noncurrent liabilities:
Total debt	284,682	330,244
Noncurrent portion of operating lease liabilities	3,173	1,282
Other noncurrent accrued liabilities	1,208	265
Total noncurrent liabilities	289,063	331,791
Total liabilities	418,028	455,392
Commitments and contingencies (Note 10)
Stockholders’ equity:
Preferred stock, $0.01 par value, 25,000,000 shares authorized, none issued as of December 31, 2022 and 2021	0	0
Common stock, $0.01 par value, 700,000,000 shares authorized, 13,003,702 and 12,917,027 shares issued and outstanding as of December 31, 2022 and 2021, respectively	130	129
Additional paid-in capital	966,058	982,746
Accumulated deficit	(163,556)	(313,495)
Accumulated other comprehensive income	16,549	1,886
Total stockholders’ equity	819,181	671,266
Total liabilities and stockholders’ equity	1,237,209	1,126,658
Ultraco Global Debt Facility
Noncurrent liabilities:
Total debt	181,183	229,290
Convertible Bond Debt
Noncurrent liabilities:
Total debt	$ 103,499	$ 100,954