UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Operating activities:
Net earnings	$ 8,566	$ 7,517
Adjustments to reconcile net losses earnings to net cash provided by (used in) operating activities:
Depreciation and amortization	10,101	9,854
Gains on sales of property	(938)	(265)
Provision for doubtful accounts	(8)	(2)
Stock-based compensation expense	458	417
Deferred income taxes	(332)	(1,636)
Net change in fair value contracts	(630)	(25)
Changes in assets and liabilities:
Accounts receivable	(129,837)	(26,109)
Accounts receivable/payable, affiliates	0	(4)
Inventories	(42,339)	(10,376)
Income tax receivable	6,424	7,442
Prepayments and other current assets	382	842
Accounts payable	121,144	63,831
Accrued liabilities	2,614	1,235
Other	217	(614)
Net cash (used in) provided by operating activities	(24,178)	52,107
Investing activities:
Property and equipment additions	(4,783)	(3,602)
Proceeds from property sales	1,374	1,316
Net cash used in investing activities	(3,409)	(2,286)
Financing activities:
Borrowings under Credit Agreement	30,000	8,000
Repayments under Credit Agreement	(30,000)	0
Principal repayments of finance lease obligations	(2,306)	(2,123)
Payment for financed portion of VEX acquisition	0	(10,000)
Net proceeds from sale of equity	283	0
Dividends paid on common stock	(2,126)	(2,062)
Net cash used in financing activities	(4,149)	(6,185)
(Decrease) Increase in cash and cash equivalents, including restricted cash	(31,736)	43,636
Cash and cash equivalents, including restricted cash, at beginning of period	107,317	52,065
Cash and cash equivalents, including restricted cash, at end of period	$ 75,581	$ 95,701