Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Operating activities:
Net income (loss)	$ 6,879	$ (7,325)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	21,392	21,313
Deferred income tax, net	(1,321)	(5,885)
Share-based compensation	605	289
Gain on disposal of assets, net	(1,466)	(551)
Reversal of previously recorded restructuring, impairment and other costs	639	0
Other	290	(121)
Changes in operating assets and liabilities:
Accounts receivable	(3,436)	(1,766)
Inventories and prepaid expenses	2,117	2,722
Accounts payable and accrued liabilities	3,833	9,471
Insurance and claims accruals	505	1,937
Other long-term assets and liabilities	171	164
Net cash provided by operating activities	28,930	20,248
Investing activities:
Capital expenditures	(12,787)	(7,645)
Proceeds from sale of property and equipment	8,776	9,306
Proceeds from operating sale leaseback	5,323	10,980
Net cash provided by investing activities	1,312	12,641
Financing activities:
Borrowings under long-term debt	28,210	20,755
Payments on long-term debt	(47,550)	(44,065)
Payments on capitalized lease obligations	(11,564)	(8,205)
Net change in bank drafts payable	731	(1,249)
Net payments for tax withholdings for vested stock-based awards	(134)	4
Issuance of treasury stock	0	(58)
Net cash used in financing activities	(30,307)	(32,818)
(Decrease) increase in cash	(65)	71
Cash:
Beginning of period	71	122
End of period	6	193
Supplemental disclosure of cash flow information:
Interest	2,469	2,908
Income taxes	3,586	138
Supplemental disclosure of non-cash investing activities:
Purchases of revenue equipment included in accounts payable	$ 60	$ 0