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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 2) (USD $) | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012
ASSETS HELD FOR SALE |  |
Expected period for transfer of asset to qualify for recognition as completed for sale | 1 year |
PROPERTY AND DEPRECIATION |  |
Depreciation expense | $ 2,550,000 | $ 2,878,000
LONG-LIVED ASSETS |  |
Impairment charges for long-lived assets | 0 | 0
ENVIRONMENTAL REMEDIATION COSTS |  |
Accrual for remediation costs | $ 165,000 | $ 675,000
INCOME (LOSS) PER COMMON SHARE |  |
Basic and diluted (in shares) | 18,702,396 | 18,618,356
Potentially dilutive (in shares) | 110,193 | 173,137
Minimum |  |
PROPERTY AND DEPRECIATION |  |
Estimated useful lives | 3 years |
Maximum |  |
PROPERTY AND DEPRECIATION |  |
Estimated useful lives | 40 years |

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