Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 2,659	$ 2,726
Accounts receivable:
Trade, less allowance for doubtful accounts of $420 in 2011 and $444 in 2010	55,359	46,630
Other	1,582	1,353
Inventories	1,831	2,080
Prepaid expenses and other current assets	13,466	12,885
Total current assets	74,897	65,674
Property and equipment:
Land and structures	31,377	31,268
Revenue equipment	372,331	376,211
Service, office and other equipment	15,853	15,636
Property and equipment, at cost	419,561	423,115
Accumulated depreciation and amortization	(160,761)	(163,867)
Property and equipment, net	258,800	259,248
Note receivable	2,003	2,048
Other assets	491	415
Total assets	336,191	327,385
Current liabilities:
Bank drafts payable	5,044	4,233
Trade accounts payable	21,691	16,691
Current portion of insurance and claims accruals	3,418	4,725
Accrued expenses	7,790	8,401
Note payable	1,370	1,009
Deferred income taxes	1,693	1,094
Current maturities of long-term debt and capital leases	19,146	18,766
Total current liabilities	60,152	54,919
Deferred gain	612	618
Long-term debt and capital leases, less current maturities	98,927	79,750
Deferred income taxes	45,193	50,782
Insurance and claims accruals, less current portion	4,335	3,608
Commitments and contingencies
Stockholders’ equity:
Preferred Stock, $0.01 par value; 1,000,000 shares authorized; none issued
Common Stock, $0.01 par value; authorized 30,000,000 shares; issued 11,791,997 shares in 2011 and 11,835,075 shares in 2010	118	118
Additional paid-in capital	65,284	65,169
Retained earnings	83,438	94,215
Less treasury stock, at cost (1,347,941 shares in 2011 and 1,339,324 shares in 2010)	(21,868)	(21,783)
Accumulated other comprehensive loss		(11)
Total stockholders’ equity	126,972	137,708
Total liabilities and stockholders’ equity	$ 336,191	$ 327,385