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INCOME TAXES (Details) (USD $) | Dec. 31, 2012 | Dec. 31, 2011
--- | --- | ---
Deferred tax liabilities: |  |
Fixed assets | $ (7,218,000) | $ (6,839,000)
Total deferred tax liabilities | (7,218,000) | (6,839,000)
Deferred tax assets: |  |
Net operating loss carryforwards | 3,767,000 | 3,330,000
Accruals and allowances | 233,000 | 415,000
Tax credits | 334,000 | 298,000
Other - net | 77,000 | 75,000
Total deferred tax assets | 4,411,000 | 4,118,000
Valuation allowance | (163,000) | (224,000)
Deferred tax assets net of valuation allowance | 4,248,000 | 3,894,000
Net deferred tax liabilities | $ (2,970,000) | $ (2,945,000)

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