Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Jun. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 263,000	$ 224,000
Trade, less allowance of $1,724 and $1,335, respectively	74,971,000	59,055,000
Other	3,981,000	3,028,000
Inventories	1,680,000	1,660,000
Prepaid expenses and deposits	6,724,000	10,112,000
Marketable equity securities	27,860,000	26,664,000
Income taxes refundable	1,375,000	1,499,000
Total current assets	116,854,000	102,242,000
Property and equipment:
Land	5,374,000	5,374,000
Structures and improvements	18,880,000	18,927,000
Revenue equipment	428,840,000	375,817,000
Office furniture and equipment	9,925,000	9,761,000
Total property and equipment	463,019,000	409,879,000
Accumulated depreciation	(144,031,000)	(122,935,000)
Net property and equipment	318,988,000	286,944,000
Other assets	3,053,000	2,999,000
TOTAL ASSETS	438,895,000	392,185,000
Current liabilities:
Accounts payable	31,921,000	19,645,000
Accrued expenses and other liabilities	20,922,000	17,609,000
Current maturities of long-term debt	72,029,000	73,641,000
Total current liabilities	124,872,000	110,895,000
Long-term debt-less current portion	127,562,000	98,995,000
Deferred income taxes	56,849,000	54,691,000
Total liabilities	309,283,000	264,581,000
SHAREHOLDERS' EQUITY
Preferred stock, $.01 par value, 10,000,000 shares authorized; none issued
Common stock, $.01 par value, 40,000,000 shares authorized; 11,609,089 and 11,529,124 shares issued; 6,054,257 and 6,160,889 shares outstanding at June 30, 2018 and December 31, 2017, respectively	116,000	115,000
Additional paid-in capital	82,421,000	81,559,000
Accumulated other comprehensive income		7,444,000
Treasury stock, at cost; 5,554,832 and 5,368,235 shares at June 30, 2018 and December 31, 2017, respectively	(136,714,000)	(129,183,000)
Retained earnings	183,789,000	167,669,000
Total shareholders’ equity	129,612,000	127,604,000
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 438,895,000	$ 392,185,000