CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Current assets:
Cash and restricted cash (restricted cash of $117 and $243, respectively)	$ 2,014	$ 325
Accounts receivable, net of allowance for doubtful accounts of $548 and $617, respectively	80,061	63,984
Other receivables	4,193	2,873
Inventories	1,397	975
Assets held for sale		2,635
Prepaid expenses and other current assets	6,475	8,749
Total current assets	94,140	79,541
Property and equipment:
Land and structures	34,120	33,488
Revenue equipment	296,551	305,509
Service, office and other equipment	30,604	30,331
Property and equipment, at cost	361,275	369,328
Accumulated depreciation and amortization	(160,549)	(150,173)
Property and equipment, net	200,726	219,155
Operating leases - right of use assets	25,891	28,154
Goodwill	5,231	5,231
Other intangibles, net	14,460	15,105
Other assets	2,835	3,046
Total assets	343,283	350,232
Current liabilities:
Accounts payable	33,069	27,045
Current portion of insurance and claims accruals	8,814	9,846
Accrued expenses	11,630	10,798
Current finance lease obligations	11,852	11,655
Current operating lease obligations	7,127	6,838
Long-term debt, current maturities	3,404	6,791
Total current liabilities	75,896	72,973
Other long-term liabilities	2,837	4,817
Long-term debt, less current maturities	74,342	81,352
Long-term finance lease obligations	48,397	54,482
Long-term operating lease obligations	19,145	21,690
Deferred income taxes	21,435	23,414
Insurance and claims accruals, less current portion	8,003	6,803
Total liabilities	250,055	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 12,252,916 shares, and 12,037,966 shares, respectively	123	120
Additional paid-in capital	62,268	60,692
Retained earnings	86,305	78,515
Less treasury stock, at cost (3,349,720 shares, and 3,293,223 shares, respectively)	(55,468)	(54,626)
Total stockholders' equity	93,228	84,701
Total liabilities and stockholders' equity	$ 343,283	$ 350,232