UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 8,974	$ 20,532
Restricted cash	8,784	10,535
Accounts receivable, net of allowance for doubtful accounts of $78 and $88, respectively	158,433	189,039
Inventory	26,523	26,919
Income tax receivable	469	0
Prepayments and other current assets	2,608	3,118
Total current assets	205,791	250,143
Property and equipment, net	111,834	106,425
Operating lease right-of-use assets, net	6,783	7,720
Intangible assets, net	8,837	9,745
Goodwill	6,673	6,428
Other assets	3,564	3,698
Total assets	343,482	384,159
Current liabilities:
Derivative liabilities	30	330
Current portion of finance lease obligations	6,444	4,382
Current portion of operating lease liabilities	2,802	2,712
Current portion of long-term debt	2,500	0
Other current liabilities	14,011	19,214
Total current liabilities	188,574	231,060
Other long-term liabilities:
Long-term debt	20,625	24,375
Asset retirement obligations	2,650	2,459
Finance lease obligations	20,693	12,085
Operating lease liabilities	3,986	5,007
Deferred taxes and other liabilities	15,233	15,996
Total liabilities	251,761	290,982
Commitments and contingencies (Note 16)
Shareholders’ equity:
Preferred stock – $1.00 par value, 960,000 shares authorized, none outstanding	0	0
Common stock – $0.10 par value, 7,500,000 shares authorized, 2,534,685 and 2,495,484 shares outstanding, respectively	252	248
Contributed capital	20,943	19,965
Retained earnings	70,526	72,964
Total shareholders’ equity	91,721	93,177
Total liabilities and shareholders’ equity	343,482	384,159
Nonrelated Party
Current liabilities:
Accounts payable	162,787	204,391
Accounts payable – related party	162,787	204,391
Related Party
Current liabilities:
Accounts payable	0	31
Accounts payable – related party	$ 0	$ 31