Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Current assets:
Cash	$ 39	$ 14
Accounts receivable:
Trade, less allowance for doubtful accounts of $804 in 2014 and $610 in 2013	77,548	64,682
Other	3,908	3,463
Inventories	1,625	1,425
Deferred income taxes	3,766	2,787
Prepaid expenses and other current assets	16,959	16,064
Total current assets	103,845	88,435
Property and equipment:
Land and structures	31,547	31,502
Revenue equipment	353,950	353,587
Service, office and other equipment	15,950	15,613
Property and equipment, at cost	401,447	400,702
Accumulated depreciation and amortization	(181,036)	(176,506)
Property and equipment, net	220,411	224,196
Note receivable	1,939	1,953
Other assets	360	362
Total assets	326,555	314,946
Current liabilities:
Bank drafts payable	2,425	3,345
Trade accounts payable	30,559	17,674
Current portion of insurance and claims accruals	9,680	9,444
Accrued expenses	12,524	8,732
Note payable	343	1,023
Current maturities of long-term debt and capital leases	21,743	19,025
Total current liabilities	77,274	59,243
Deferred gain	624	627
Long-term debt and capital leases, less current maturities	103,002	108,843
Deferred income taxes	36,305	36,647
Insurance and claims accruals, less current portion	11,194	10,656
Commitments and contingencies
Stockholders’ equity:
Preferred stock	0	0
Common Stock, $.01 par value; 30,000,000 shares authorized; issued 11,881,451 shares in 2014 and 11,881,232 shares in 2013	119	119
Additional paid-in capital	65,627	65,527
Retained earnings	54,182	55,049
Less treasury stock, at cost (1,349,423 shares in 2014 and 1,356,400 shares in 2013)	(21,772)	(21,765)
Total stockholders’ equity	98,156	98,930
Total liabilities and stockholders’ equity	326,555	314,946
Rights [Member]
Stockholders’ equity:
Preferred stock	$ 0	$ 0