CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Operating activities:
Net (loss) income	$ (3,482)	$ 1,502
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization	20,045	17,943
Bad debt expense	478	(140)
Deferred income tax, net	807	774
Share-based compensation	834	1,294
Loss (gain) on disposal of assets, net	22	(4)
Asset impairments	588	367
Other	40	127
Changes in operating assets and liabilities:
Accounts and other receivables	(5,797)	(6,283)
Inventories and prepaid expenses	1,172	2,930
Accounts payable and accrued liabilities	1,594	(809)
Insurance and claims accruals	(2,745)	(1,220)
Other long-term assets and liabilities	850	(727)
Net cash provided by operating activities	14,406	15,754
Investing activities:
Acquisition of Davis Transfer Company (net of cash)		(305)
Capital expenditures	(9,809)	(25,209)
Proceeds from sale of property and equipment	1,459	7,643
Net cash used in investing activities	(8,350)	(17,871)
Financing activities:
Borrowings under long-term debt	33,200	53,700
Payments on long-term debt	(26,440)	(55,249)
Principal payments on financing lease obligations	(11,366)	(6,375)
Proceeds from obligation under finance lease		10,471
Payments on obligation under finance lease	(1,052)	(219)
Payment of debt issuance costs		(538)
Net change in bank drafts payable	(346)	(391)
Net payments for tax withholdings for vested stock-based awards	(57)	(73)
Net cash (used in) provided by financing activities	(6,061)	1,326
Decrease in cash	(5)	(791)
Cash:
Beginning of period	97	989
End of period	92	198
Supplemental disclosure of cash flow information:
Interest	2,704	2,986
Income taxes	29	$ 998
Supplemental disclosure of non-cash investing:
Sales of revenue equipment included in other receivables	$ 730