CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and restricted cash (restricted cash of $405 and $243, respectively)	$ 1,352	$ 325
Receivables, net of allowance for doubtful accounts of $490 and $617, respectively	100,166	66,857
Inventories	1,387	975
Assets held for sale	0	2,635
Prepaid expenses and other current assets	10,103	8,749
Total current assets	113,008	79,541
Property and equipment:
Land and structures	34,266	33,488
Revenue equipment	316,492	305,509
Service, office and other equipment	31,213	30,331
Property and equipment, at cost	381,971	369,328
Accumulated depreciation and amortization	(175,024)	(150,173)
Property and equipment, net	206,947	219,155
Operating leases - right of use assets	22,898	28,154
Goodwill	5,231	5,231
Other intangibles, net	13,815	15,105
Other assets	2,136	3,046
Total assets	364,035	350,232
Current liabilities:
Accounts payable	36,378	27,045
Current portion of insurance and claims accruals	8,973	9,846
Accrued expenses	10,006	10,798
Current finance lease obligations	14,095	11,655
Current operating lease obligations	6,679	6,838
Long-term debt, current maturities	11,069	6,791
Total current liabilities	87,200	72,973
Other long-term liabilities	342	4,817
Long-term debt, less current maturities	63,355	81,352
Long-term finance lease obligations	56,274	54,482
Long-term operating lease obligations	16,644	21,690
Deferred income taxes	21,914	23,414
Insurance and claims accruals, less current portion	6,881	6,803
Total liabilities	252,610	265,531
Commitments and contingencies	0	0
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 12,263,030 shares, and 12,037,966 shares, respectively	123	120
Additional paid-in capital	63,752	60,692
Retained earnings	103,283	78,515
Less treasury stock, at cost (3,367,418 shares, and 3,293,223 shares, respectively)	(55,733)	(54,626)
Total stockholders' equity	111,425	84,701
Total liabilities and stockholders' equity	$ 364,035	$ 350,232