Annual report pursuant to section 13 and 15(d)

COMMITMENTS AND CONTINGENCIES (Details)

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COMMITMENTS AND CONTINGENCIES (Details) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Insurance [Abstract]    
Period of finite risk insurance policy (in years) 25 years  
Maximum allowable coverage of insurance policy $ 39,000,000  
Final payment to insurer 18,305,000  
Final payment to insurer deposited in sinking fund account 14,472,000  
Final payment to insurer representing terrorism premium 2,883,000  
Final payment to insurer representing fee payable 950,000  
Financial assurance coverage amount under insurance policy 38,161,000  
Sinking fund related to the insurance policy 15,409,000  
Interest earned on sinking fund 938,000  
Interest income on sinking fund during the period 27,000  
Insurer's obligation to entity on termination of contract (in hundredths) 100.00%  
Contract termination election minimum period 4 years  
Financial assurance coverage amount under second insurance policy 7,800,000  
Annual growth rate of financial assurance coverage amount under second insurance policy (in hundredths) 1.50%  
Period of finite second insurance policy (in years) 4 years  
Maximum financial assurance coverage amount under second insurance policy 8,200,000  
Total payment under second policy 7,158,000  
Amount of annual payment deposited in sinking fund under second insurance policy 5,700,000  
Initial payment representing premium under second insurance policy 1,458,000  
Sinking fund related to the second insurance policy 5,898,000  
Operating Leases [Abstract]    
2014 809,000  
2015 728,000  
2016 590,000  
2017 529,000  
2018 174,000  
Beyond 2018 0  
Total 2,830,000  
Continuing Operations [Member]
    
Operating Leases [Abstract]    
Total rent expenses 1,381,000 1,569,000
Payments on non-cancelable operating leases 913,000 972,000
Discontinued Operations [Member]
    
Operating Leases [Abstract]    
Total rent expenses 27,000 42,000
Payments on non-cancelable operating leases 0 5,000
PFNWR [Member]
    
Insurance [Abstract]    
Interest earned on sinking fund 198,000  
Interest income on sinking fund during the period 8,000  
Renewal Fee $ 46,000