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REGULATORY ASSETS (Tables)
6 Months Ended
Jun. 30, 2012
REGULATORY ASSETS [Abstract]  
Regulatory assets, net of amortization, comprise

Regulatory assets, net of amortization, comprise:
 
 
Unaudited
 
 
(in thousands)
 
 
June 30, 2012
 
December 31, 2011
 
        
Postretirement benefit obligation
 $567  $567 
Deferred income taxes
  499   506 
Goodwill
  344   348 
Deferred acquisition and franchise costs
  810   816 
Expense of rate and regulatory proceedings
  382   497 
   $2,602  $2,734