INCOME TAXES (Schedule of Deferred Tax Assets and Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Deferred tax asset:
Reserves and accruals	$ 920	$ 813
Goodwill/Intangible assets	235	316
Net operating loss carryforward	1,639	1,722
Stock-based compensation	1,880	2,002
Charitable contribution carryforward	3,180	3,795
Deferred tax asset, other	909us-gaap_DeferredTaxAssetsOther	889us-gaap_DeferredTaxAssetsOther
Total deferred tax asset	8,763us-gaap_DeferredTaxAssetsGross	9,537us-gaap_DeferredTaxAssetsGross
Valuation allowance	(800)	(800)
Deferred tax asset	7,963us-gaap_DeferredTaxAssetsNet	8,737us-gaap_DeferredTaxAssetsNet
Deferred tax liability:
Property and equipment	(1,451)	(1,882)
Net deferred tax asset	$ 6,512us-gaap_DeferredTaxAssetsLiabilitiesNet	$ 6,855us-gaap_DeferredTaxAssetsLiabilitiesNet

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible charitable contribution carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from intangible assets including goodwill.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences not separately disclosed.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from reserves and accruals.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.

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