UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Operating activities:
Net losses	$ (498)	$ (1,999)
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	6,355	7,050
Gains on sales of property	(337)	(31)
Provision for credit losses	(23)	(3)
Stock-based compensation expense	307	283
Deferred income taxes	(504)	(1,424)
Net change in fair value contracts	0	(487)
Changes in assets and liabilities:
Accounts receivable	(20,978)	30,916
Accounts receivable/payable, affiliates	0	(31)
Inventories	(7,499)	4,644
Prepayments and other current assets	565	90
Accounts payable	36,291	(12,653)
Accrued liabilities	(599)	(2,514)
Other	(17)	(134)
Net cash provided by operating activities	13,063	23,707
Investing activities:
Property and equipment additions	(6,152)	(1,900)
Proceeds from property sales	962	441
Net cash used in investing activities	(5,190)	(1,459)
Financing activities:
Borrowings under Credit Agreement	0	18,000
Repayments under Credit Agreement	(2,625)	(18,625)
Principal repayments of finance lease obligations	(1,553)	(1,576)
Net proceeds from sale of equity	0	549
Dividends paid on common stock	(674)	(681)
Net cash used in financing activities	(4,852)	(2,333)
Increase in cash and cash equivalents, including restricted cash	3,021	19,915
Cash and cash equivalents, including restricted cash, at beginning of period	45,246	31,067
Cash and cash equivalents, including restricted cash, at end of period	$ 48,267	$ 50,982