Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 138,955	$ 86,147
Accounts receivable, net of a reserve of $1,921 and $1,818, respectively	43,948	28,456
Prepaid expenses	4,524	3,362
Inventories	25,193	17,651
Vessel held for sale	5,592	0
Collateral on derivatives	16,770	15,081
Fair value of derivative assets - current	8,459	4,669
Other current assets	929	667
Total current assets	244,370	156,033
Noncurrent assets:
Vessels and vessel improvements, at cost, net of accumulated depreciation of $237,490 and $218,670, respectively	885,255	908,076
Operating lease right-of-use assets	35,370	17,017
Other fixed assets, net of accumulated depreciation of $1,521 and $1,403, respectively	380	257
Restricted cash - noncurrent	2,575	75
Deferred drydock costs, net	46,930	37,093
Fair value of derivative assets - noncurrent	7,746	3,112
Advances for ballast water systems and other assets	3,983	4,995
Total noncurrent assets	982,239	970,625
Total assets	1,226,609	1,126,658
Current liabilities:
Accounts payable	22,189	20,781
Accrued interest	3,008	2,957
Other accrued liabilities	17,766	17,994
Fair value of derivative liabilities - current	269	4,253
Lease liabilities - short term	29,908	15,728
Unearned charter hire revenue	13,609	12,088
Current portion of long-term debt	49,800	49,800
Total current liabilities	136,549	123,601
Noncurrent liabilities:
Total debt	318,474	330,244
Lease liabilities - long term	5,455	1,282
Other noncurrent accrued liabilities	636	265
Total noncurrent liabilities	324,565	331,791
Total liabilities	461,114	455,392
Commitments and contingencies
Stockholders' equity:
Preferred stock, $.01 par value, 25,000,000 shares authorized, none issued as of June 30, 2022 and December 31, 2021	0	0
Common stock, $0.01 par value, 700,000,000 shares authorized, 12,989,181 and 12,917,027 shares issued and outstanding as of June 30, 2022 and December 31, 2021, respectively	130	129
Additional paid-in capital	963,482	982,746
Accumulated deficit	(210,854)	(313,495)
Accumulated other comprehensive income	12,737	1,886
Total stockholders' equity	765,495	671,266
Total liabilities and stockholders' equity	1,226,609	1,126,658
Ultraco Global Debt Facility
Noncurrent liabilities:
Total debt	205,221	229,290
Convertible Bond Debt
Noncurrent liabilities:
Total debt	$ 113,253	$ 100,954