Consolidated Balance Sheets - USD ($)	Dec. 31, 2019	Dec. 31, 2018
CURRENT ASSETS:
Cash and cash equivalents	$ 318,000	$ 282,000
Accounts receivable—net:
Trade, less allowance of $2,952 and $2,224, respectively	61,784,000	63,350,000
Other	3,769,000	3,814,000
Inventories	1,327,000	1,461,000
Prepaid expenses and deposits	8,669,000	10,393,000
Marketable equity securities	29,521,000	27,549,000
Income taxes refundable	504,000	1,876,000
Total current assets	105,892,000	108,725,000
PROPERTY AND EQUIPMENT:
Land	7,246,000	5,596,000
Structures and improvements	20,204,000	19,547,000
Revenue equipment	524,527,000	457,142,000
Office furniture and equipment	11,185,000	10,040,000
Total property and equipment	563,162,000	492,325,000
Accumulated depreciation	(175,887,000)	(137,738,000)
Net property and equipment	387,275,000	354,587,000
OTHER ASSETS	4,842,000	2,754,000
TOTAL ASSETS	498,009,000	466,066,000
CURRENT LIABILITIES:
Accounts payable	16,597,000	20,002,000
Accrued expenses and other liabilities	40,610,000	23,497,000
Current maturities of long-term debt	67,637,000	63,908,000
Total current liabilities	124,845,000	107,407,000
Long-term debt—less current portion	174,187,000	157,315,000
Deferred income taxes	63,522,000	61,897,000
Other long-term liabilities	1,481,000
Total liabilities	364,034,000	326,619,000
COMMITMENTS AND CONTINGENCIES (Note 16)
STOCKHOLDERS’ EQUITY
Preferred stock, $.01 par value, 10,000,000 shares authorized; none issued
Common stock, $.01 par value, 40,000,000 shares authorized; 11,656,160 and 11,612,144 shares issued; 5,748,897 and 5,956,558 shares outstanding at December 31, 2019 and 2018, respectively	117,000	116,000
Additional paid-in capital	83,688,000	82,776,000
Accumulated other comprehensive income
Treasury stock, at cost; 5,907,263 and 5,655,586 shares at December 31, 2019 and 2018, respectively	(156,836,650)	(142,552,000)
Retained earnings	207,007,000	199,107,000
Total stockholders’ equity	133,975,000	139,447,000
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 498,009,000	$ 466,066,000