Annual report pursuant to section 13 and 15(d)

PROFIT SHARING PLAN (Details)

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PROFIT SHARING PLAN (Details) (USD $)
12 Months Ended
Dec. 31, 2012
Age
Period
Dec. 31, 2011
Dec. 31, 2010
PROFIT SHARING PLAN [Abstract]      
Minimum age for full time employees to participate in the plan 18    
Number of yearly open periods for enrollment 2    
Maximum percentage of employees contribution towards plan (in hundredths) 100.00%    
Employers contribution vesting period 5 years    
Employer matching contribution, maximum (in hundredths) 25.00%    
Employer contribution, amount $ 348,000 $ 432,000 $ 431,000