Consolidated Condensed Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 175	$ 434
Receivables:
Trade, net	69,874	70,597
Other	3,939	10,885
Prepaid expenses and other	16,715	18,134
Total current assets	90,703	100,050
Property and equipment:
Revenue equipment, buildings and land, office equipment and other	754,448	724,597
Accumulated depreciation	(202,092)	(196,588)
Net property and equipment	552,356	528,009
Other assets	2,881	3,469
Total assets	645,940	631,528
Current liabilities:
Accounts payable and accrued liabilities	46,121	33,641
Insurance and claims accruals	17,761	16,235
Checks issued in excess of cash balances	199
Total current liabilities	64,081	49,876
Long-term debt	8,549	37,867
Deferred income taxes	144,610	134,364
Total liabilities	217,240	222,107
Stockholders’ equity:
Preferred stock, $.01 par value per share; 2,000,000 shares authorized; no shares issued and outstanding
Common stock, $.01 par value per share; 96,000,000 shares authorized; 32,571,400 shares at September 30, 2016, and 32,759,806 shares at December 31, 2015, issued and outstanding	326	328
Additional paid-in capital	73,024	76,468
Retained earnings	355,350	332,625
Total stockholders’ equity	428,700	409,421
Total liabilities and stockholders’ equity	$ 645,940	$ 631,528