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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 2) (USD $)
12 Months Ended
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