CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets:
Cash and restricted cash (restricted cash of $8,499 and $405 , respectively)	$ 10,699	$ 1,352
Receivables, net of allowance for doubtful accounts of $294 and $490, respectively	116,538	100,166
Inventories	1,236	1,387
Assets held for sale	1,216
Prepaid expenses and other current assets	7,645	10,103
Total current assets	137,334	113,008
Property and equipment:
Land and structures	28,872	34,266
Revenue equipment	337,998	316,492
Service, office and other equipment	25,503	31,213
Property and equipment, at cost	392,373	381,971
Accumulated depreciation and amortization	(165,110)	(175,024)
Property and equipment, net	227,263	206,947
Operating leases - right of use assets	25,450	22,898
Goodwill	5,231	5,231
Other intangibles, net	13,170	13,815
Other assets	3,167	2,136
Total assets	411,615	364,035
Current liabilities:
Accounts payable	46,673	36,378
Current portion of insurance and claims accruals	10,098	8,973
Accrued expenses	14,390	10,006
Current finance lease obligations	16,834	14,095
Current operating lease obligations	7,221	6,679
Long-term debt, current maturities	16,956	11,069
Total current liabilities	112,172	87,200
Other long-term liabilities	302	342
Long-term debt, less current maturities	53,241	63,355
Long-term finance lease obligations	69,688	56,274
Long-term operating lease obligations	18,665	16,644
Deferred income taxes	22,049	21,914
Insurance and claims accruals, less current portion	7,112	6,881
Total liabilities	283,229	252,610
Commitments and contingencies
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 12,481,442 shares, and 12,263,030 shares, respectively	125	123
Additional paid-in capital	66,324	63,752
Retained earnings	119,593	103,283
Less treasury stock, at cost ( 3,447,676 shares, and 3,367,418 shares, respectively)	(57,656)	(55,733)
Total stockholders' equity	128,386	111,425
Total liabilities and stockholders' equity	$ 411,615	$ 364,035

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).