Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Operating activities
Net loss	$ (17,671)	$ (10,777)
Depreciation and amortization	45,058	49,263
Provision for doubtful accounts	153	59
Deferred income taxes	(9,588)	(4,957)
Excess tax benefit from exercise of stock options and vesting of restricted stock		(6)
Stock based compensation	131	16
Gain on disposal of assets	(2,151)	(3,615)
Recognition of deferred gain	34	(6)
Impairment of Goodwill	126
Changes in operating assets and liabilities:
Accounts receivable	(9,792)	(9,017)
Inventories, prepaid expenses and other current assets	1,098	(332)
Trade accounts payable and accrued expenses	4,416	2,456
Insurance and claims accruals	3,722	578
Net cash provided by operating activities	15,536	23,662
Investing activities
Purchases of property and equipment	(22,014)	(44,449)
Proceeds from sale of property and equipment	17,651	23,070
Change in other assets	15	(31)
Net cash used in investing activities	(4,348)	(21,410)
Financing activities
Borrowings under long-term debt	276,556	121,988
Principal payments on long-term debt	(263,811)	(103,088)
Principal payments on capitalized lease obligations	(23,136)	(20,578)
Principal payments on note payable	(1,820)	(1,465)
Net increase in bank drafts payable	106	811
Excess tax benefit from exercise of stock options		6
Proceeds from exercise of stock options		7
Net cash used in financing activities	(12,105)	(2,319)
Decrease in cash and cash equivalents	(917)	(67)
Cash and cash equivalents:
Beginning of period	2,659	2,726
End of period	1,742	2,659
Cash paid during the period for:
Interest	4,274	3,423
Supplemental schedule of non-cash investing and financing activities:
Liability incurred for leases on revenue equipment	27,757	21,235
Liability incurred for notes payable	1,801	1,826
Accounts Payable [Member]
Supplemental schedule of non-cash investing and financing activities:
Capital Expenditures Incurred but Not yet Paid		3,744
Long-term Debt [Member]
Supplemental schedule of non-cash investing and financing activities:
Capital Expenditures Incurred but Not yet Paid	$ 355