Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Jun. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 296,000	$ 282,000
Accounts receivable-net:
Trade, less allowance of $2,440 and $2,224, respectively	62,692,000	63,350,000
Other	3,137,000	3,814,000
Inventories	1,301,000	1,461,000
Prepaid expenses and deposits	7,842,000	10,393,000
Marketable equity securities	29,454,000	27,549,000
Income taxes refundable	1,974,000	1,876,000
Total current assets	106,696,000	108,725,000
Property and equipment:
Land	5,596,000	5,596,000
Structures and improvements	19,937,000	19,547,000
Revenue equipment	482,478,000	457,142,000
Office furniture and equipment	10,294,000	10,040,000
Total property and equipment	518,305,000	492,325,000
Accumulated depreciation	(156,061,000)	(137,738,000)
Net property and equipment	362,244,000	354,587,000
Other assets	4,077,000	2,754,000
TOTAL ASSETS	473,017,000	466,066,000
Current liabilities:
Accounts payable	20,356,000	20,002,000
Accrued expenses and other liabilities	24,204,000	23,497,000
Current maturities of long-term debt	58,738,000	63,908,000
Total current liabilities	103,298,000	107,407,000
Long-term debt-less current portion	158,397,000	157,315,000
Deferred income taxes	66,820,000	61,897,000
Other long-term liabilities	1,015,000
Total liabilities	329,530,000	326,619,000
STOCKHOLDERS' EQUITY
Preferred stock, $.01 par value, 10,000,000 shares authorized; none issued
Common stock, $.01 par value, 40,000,000 shares authorized; 11,648,785 and 11,612,144 shares issued; 5,757,318 and 5,956,558 shares outstanding at June 30, 2019 and December 31, 2018, respectively	116,000	116,000
Additional paid-in capital	83,302,000	82,776,000
Treasury stock, at cost; 5,891,467 and 5,655,586 shares at June 30, 2019 and December 31, 2018, respectively	(155,993,000)	(142,552,000)
Retained earnings	216,062,000	199,107,000
Total stockholders’ equity	143,487,000	139,447,000
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 473,017,000	$ 466,066,000