CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Operating activities:
Net income	$ 129	$ 6,879
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	27,595	21,392
Deferred income tax, net	46	(1,321)
Share-based compensation	1,187	605
Gain on disposal of assets, net	(700)	(1,466)
Impairment of assets held for sale	368	0
Reversal of restructuring, impairment and other costs	0	(639)
Other	84	290
Changes in operating assets and liabilities:
Accounts and other receivables	925	(3,436)
Inventories and prepaid expenses	3,401	2,117
Accounts payable and accrued liabilities	(4,385)	3,833
Insurance and claims accruals	(1,558)	505
Other long-term assets and liabilities	(658)	171
Net cash provided by operating activities	26,434	28,930
Investing activities:
Acquisition of Davis Transfer Company (net of cash)	(305)
Capital expenditures	(25,156)	(12,787)
Proceeds from sale of property and equipment	8,771	8,776
Proceeds from operating sale leaseback		5,323
Net cash (used in) provided by investing activities	(16,690)	1,312
Financing activities:
Borrowings under long-term debt	72,125	28,210
Payments on long-term debt	(85,310)	(47,550)
Proceeds from obligation under finance lease	12,795	0
Payments on obligation under finance lease	(605)
Payments on finance lease obligations		(11,564)
Payments on finance lease obligations	(10,021)
Payment of debt issuance costs	(538)	0
Net change in bank drafts payable	1,183	731
Net payments for tax withholdings for vested stock-based awards	(78)	(134)
Net cash used in financing activities	(10,449)	(30,307)
Decrease in cash	(705)	(65)
Cash:
Beginning of period	989	71
End of period	284	6
Supplemental disclosure of cash flow information:
Interest	4,253	2,469
Income taxes	1,189	3,586
Supplemental disclosure of non-cash investing:
Sales of revenue equipment included in accounts receivable	1,240
Purchase of revenue equipment included in accounts payable	$ 1,420	$ 60