Consolidated Balance Sheets - USD ($)	Dec. 31, 2021	Dec. 31, 2020
CURRENT ASSETS:
Cash and cash equivalents	$ 18,509,000	$ 337,000
Accounts receivable—net:
Trade, less current estimated credit loss of $4,526 and $3,482, respectively	121,854,000	77,731,000
Other	7,092,000	5,127,000
Inventories	1,456,000	1,345,000
Prepaid expenses and deposits	10,962,000	10,172,000
Marketable equity securities	39,424,000	27,941,000
Income taxes refundable	277,000	868,000
Total current assets	199,574,000	123,521,000
PROPERTY AND EQUIPMENT:
Land	19,718,000	18,486,000
Structures and improvements	33,534,000	32,275,000
Revenue equipment	520,840,000	592,476,000
Office furniture and equipment	11,211,000	10,439,000
Total property and equipment	585,303,000	653,676,000
Accumulated depreciation	(201,124,000)	(202,851,000)
Net property and equipment	384,179,000	450,825,000
OTHER ASSETS	3,628,000	4,246,000
TOTAL ASSETS	587,381,000	578,592,000
CURRENT LIABILITIES:
Accounts payable	43,381,000	46,102,000
Accrued expenses and other liabilities	14,114,000	26,601,000
Income taxes payable	4,364,000	0
Current maturities of long-term debt	49,544,000	57,776,000
Total current liabilities	111,403,000	130,479,000
Long-term debt—less current portion	172,733,000	228,330,000
Deferred income taxes	86,715,000	68,883,000
Other long-term liabilities	420,000	919,000
Total liabilities	371,271,000	428,611,000
COMMITMENTS AND CONTINGENCIES (Note 16)
STOCKHOLDERS’ EQUITY
Preferred stock, $.01 par value, 10,000,000 shares authorized; none issued	0	0
Common stock, $.01 par value, 40,000,000 shares authorized; 23,400,796 and 23,391,438 shares issued; 11,174,011 and 11,455,790 shares outstanding at December 31, 2021 and 2020, respectively	234,000	117,000
Additional paid-in capital	84,472,000	84,148,000
Accumulated Other Comprehensive Income	0	0
Treasury stock, at cost; 12,226,785 and 11,935,648 shares at December 31, 2021 and 2020, respectively	(169,946,199)	(159,118,000)
Retained earnings	301,350,000	224,834,000
Total stockholders’ equity	216,110,000	149,981,000
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 587,381,000	$ 578,592,000