Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 118,615	$ 187,155
Accounts receivable, net of a reserve of $2,916 and $3,169, respectively	30,917	32,311
Prepaid expenses	5,525	4,531
Inventories	24,988	28,081
Collateral on derivatives	2,219	909
Fair value of derivative assets – current	6,824	8,479
Other current assets	458	558
Total current assets	189,546	262,024
Noncurrent assets:
Vessels and vessel improvements, at cost, net of accumulated depreciation of $301,694 and $261,725, respectively	904,298	891,877
Advances for vessel purchases	0	3,638
Operating lease right-of-use assets	7,182	23,006
Other fixed assets, net of accumulated depreciation of $1,393 and $1,623, respectively	1,086	310
Restricted cash – noncurrent	2,575	2,599
Deferred drydock costs, net	38,717	42,849
Fair value of derivative assets – noncurrent	3,136	8,184
Advances for BWTS and other assets	1,414	2,722
Total noncurrent assets	958,408	975,185
Total assets	1,147,954	1,237,209
Current liabilities:
Accounts payable	21,245	20,129
Accrued interest	3,472	3,061
Other accrued liabilities	23,496	24,097
Fair value of derivative liabilities – current	479	163
Current portion of operating lease liabilities	6,153	22,045
Unearned charter hire revenue	4,312	9,670
Current portion of long-term debt – Global Ultraco Debt Facility	49,800	49,800
Current portion of long-term debt – Convertible Bond Debt, net of debt discount and debt issuance costs	103,890	0
Total current liabilities	212,847	128,965
Noncurrent liabilities:
Long-term debt – Global Ultraco Debt Facility, net of debt discount and debt issuance costs	330,113	181,183
Convertible Bond Debt, net of debt discount and debt issuance costs	0	103,499
Fair value of derivative liabilities – noncurrent	1,505	0
Noncurrent portion of operating lease liabilities	2,576	3,173
Other noncurrent accrued liabilities	695	1,208
Total noncurrent liabilities	334,889	289,063
Total liabilities	547,736	418,028
Commitments and contingencies (Note 11)
Stockholders’ equity:
Preferred stock, $0.01 par value, 25,000,000 shares authorized, none issued as of December 31, 2023 and 2022	0	0
Common stock, $0.01 par value, 700,000,000 shares authorized, 9,326,231 and 13,003,702 shares issued and outstanding as of December 31, 2023 and 2022, respectively	93	130
Additional paid-in capital	748,401	966,058
Accumulated deficit	(156,727)	(163,556)
Accumulated other comprehensive income	8,451	16,549
Total stockholders’ equity	600,218	819,181
Total liabilities and stockholders’ equity	$ 1,147,954	$ 1,237,209