CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Operating activities:
Net income (loss)	$ 3,597	$ (2,551)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	9,570	10,011
Deferred income tax (benefit) expense, net	(984)	1,752
Share-based compensation	168	471
(Gain) loss on disposal of assets, net	(177)	38
Other	4	33
Changes in operating assets and liabilities:
Accounts and other receivables	(18,089)	(6,600)
Inventories and prepaid expenses	(82)	(917)
Accounts payable and accrued expenses	14,431	109
Insurance and claims accruals	878	(594)
Other long-term assets and liabilities	(3,332)	581
Net cash provided by operating activities	5,984	2,333
Investing activities:
Capital expenditures	(395)	(11,137)
Proceeds from sale of property and equipment	5,451	1,036
Net cash provided by (used in) investing activities	5,056	(10,101)
Financing activities:
Borrowings under long-term debt	13,150	21,025
Payments on long-term debt	(16,169)	(10,425)
Principal payments on financing lease obligations	(2,992)	(4,150)
Net change in bank drafts payable	(2,429)	1,363
Net payments for tax withholdings for vested stock-based awards	(5)	(57)
Net cash (used in) provided by financing activities	(8,445)	7,756
Increase (decrease) in cash and restricted cash	2,595	(12)
Cash and restricted cash:
Beginning of period	325	97
End of period	2,920	85
Supplemental disclosure of cash flow information:
Interest	$ 1,059	1,450
Income taxes		5
Supplemental disclosure of non-cash investing:
Sales of revenue equipment included in other receivables		$ 1,259