Condensed Consolidated Balance Sheets (Unaudited) (USD $)	Mar. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 2,982,000	$ 27,649,000
Accounts receivable-net:
Trade, less allowance of $1,692 and $1,611, respectively	54,193,000us-gaap_AccountsReceivableNetCurrent	52,983,000us-gaap_AccountsReceivableNetCurrent
Other	14,166,000us-gaap_OtherReceivablesNetCurrent	11,469,000us-gaap_OtherReceivablesNetCurrent
Inventories	1,463,000us-gaap_InventoryNet	1,306,000us-gaap_InventoryNet
Prepaid expenses and deposits	8,229,000us-gaap_PrepaidExpenseCurrent	10,110,000us-gaap_PrepaidExpenseCurrent
Marketable equity securities	27,377,000us-gaap_MarketableSecuritiesCurrent	24,895,000us-gaap_MarketableSecuritiesCurrent
Income taxes refundable	130,000us-gaap_IncomeTaxesReceivable	507,000us-gaap_IncomeTaxesReceivable
Total current assets	108,540,000us-gaap_AssetsCurrent	128,919,000us-gaap_AssetsCurrent
Property and equipment:
Land	5,224,000us-gaap_Land	4,924,000us-gaap_Land
Structures and improvements	16,420,000us-gaap_BuildingsAndImprovementsGross	16,165,000us-gaap_BuildingsAndImprovementsGross
Revenue equipment	283,898,000us-gaap_MachineryAndEquipmentGross	279,079,000us-gaap_MachineryAndEquipmentGross
Office furniture and equipment	9,417,000us-gaap_FixturesAndEquipmentGross	9,257,000us-gaap_FixturesAndEquipmentGross
Total property and equipment	314,959,000us-gaap_PropertyPlantAndEquipmentGross	309,425,000us-gaap_PropertyPlantAndEquipmentGross
Accumulated depreciation	(118,077,000)	(116,178,000)
Net property and equipment	196,882,000us-gaap_PropertyPlantAndEquipmentNet	193,247,000us-gaap_PropertyPlantAndEquipmentNet
Other assets	2,439,000us-gaap_OtherAssetsNoncurrent	2,439,000us-gaap_OtherAssetsNoncurrent
TOTAL ASSETS	307,861,000us-gaap_Assets	324,605,000us-gaap_Assets
Current liabilities:
Accounts payable	18,225,000us-gaap_AccountsPayableCurrent	41,695,000us-gaap_AccountsPayableCurrent
Accrued expenses and other liabilities	31,532,000us-gaap_AccruedLiabilitiesCurrent	27,517,000us-gaap_AccruedLiabilitiesCurrent
Current maturities of long-term debt	38,309,000us-gaap_LongTermDebtCurrent	42,908,000us-gaap_LongTermDebtCurrent
Deferred income taxes-current	3,013,000us-gaap_DeferredTaxLiabilitiesCurrent	2,951,000us-gaap_DeferredTaxLiabilitiesCurrent
Total current liabilities	91,079,000us-gaap_Liabilities	115,071,000us-gaap_Liabilities
Long-term debt-less current portion	51,026,000us-gaap_LongTermDebtNoncurrent	52,293,000us-gaap_LongTermDebtNoncurrent
Deferred income taxes-less current portion	60,089,000	57,125,000
Other long-term liabilities	75,000us-gaap_OtherLiabilitiesNoncurrent	131,000us-gaap_OtherLiabilitiesNoncurrent
Total liabilities	202,269,000us-gaap_LiabilitiesCurrent	224,620,000us-gaap_LiabilitiesCurrent
SHAREHOLDERS' EQUITY
Preferred stock, $.01 par value, 10,000,000 shares authorized; none issued	0us-gaap_PreferredStockValue	0us-gaap_PreferredStockValue
Common stock, $.01 par value, 40,000,000 shares authorized; 11,479,321 and 11,474,096 shares issued; 7,428,340 and 7,423,115 shares outstanding at March 31, 2015 and December 31, 2014, respectively	115,000us-gaap_CommonStockValueOutstanding	115,000us-gaap_CommonStockValueOutstanding
Additional paid-in capital	80,102,000us-gaap_AdditionalPaidInCapital	79,926,000us-gaap_AdditionalPaidInCapital
Accumulated other comprehensive income	6,464,000	6,402,000
Treasury stock, at cost; 4,050,981 shares	(82,501,000)us-gaap_TreasuryStockValue	(82,501,000)us-gaap_TreasuryStockValue
Retained earnings	101,412,000	96,043,000
Total shareholders’ equity	105,592,000	99,985,000
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 307,861,000	$ 324,605,000

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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).