CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Current assets:
Cash and restricted cash (restricted cash of $200 and $243, respectively)	$ 2,920	$ 325
Accounts receivable, net of allowance for doubtful accounts of $609 and $617, respectively	81,419	63,984
Other receivables	3,526	2,873
Inventories	972	975
Assets held for sale	25	2,635
Prepaid expenses and other current assets	8,834	8,749
Total current assets	97,696	79,541
Property and equipment:
Land and structures	33,593	33,488
Revenue equipment	297,630	305,509
Service, office and other equipment	30,564	30,331
Property and equipment, at cost	361,787	369,328
Accumulated depreciation and amortization	(153,325)	(150,173)
Property and equipment, net	208,462	219,155
Operating leases - right of use assets	26,668	28,154
Goodwill	5,231	5,231
Other intangibles, net	14,783	15,105
Other assets	3,516	3,046
Total assets	356,356	350,232
Current liabilities:
Accounts payable	34,574	27,045
Current portion of insurance and claims accruals	10,634	9,846
Accrued expenses	15,270	10,798
Current finance lease obligations	11,745	11,655
Current operating lease obligations	6,559	6,838
Long-term debt, current maturities	5,098	6,791
Total current liabilities	83,880	72,973
Other long-term liabilities	2,868	4,817
Long-term debt, less current maturities	80,026	81,352
Long-term finance lease obligations	51,401	54,482
Long-term operating lease obligations	20,487	21,690
Deferred income taxes	22,430	23,414
Insurance and claims accruals, less current portion	6,803	6,803
Total liabilities	267,895	265,531
Stockholders' equity:
Preferred Stock, $0.01 par value; 1,000,000 shares authorized; none issued	0	0
Common Stock, $0.01 par value; 30,000,000 shares authorized; issued 12,226,782 shares, and 12,037,966 shares, respectively	122	120
Additional paid-in capital	61,655	60,692
Retained earnings	82,112	78,515
Less treasury stock, at cost (3,347,020 shares, and 3,293,223 shares, respectively)	(55,428)	(54,626)
Total stockholders' equity	88,461	84,701
Total liabilities and stockholders' equity	$ 356,356	$ 350,232