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INVENTORIES
9 Months Ended
Sep. 30, 2014
INVENTORIES [Abstract]  
INVENTORIES
4. INVENTORIES

Inventories include the following:

  
September 30, 2014
  
December 31, 2013
 
  
(thousands of dollars)
 
Raw material
 
$
3,802
  
$
2,403
 
Petrochemical products
  
8,154
   
9,660
 
Total inventory
 
$
11,956
  
$
12,063
 

Inventories are recorded at the lower of cost, determined on the last-in, first-out method (LIFO), or market.  At September 30, 2014, and December 31, 2013, current cost exceeded LIFO value by approximately $1.7 million and $1.5 million, respectively.

Inventories serving as collateral our line of credit with a domestic bank were $4.3 million and $4.9 million at September 30, 2014, and December 31, 2013, respectively (see Note 7).

Inventory included products in transit valued at approximately $5.6 million and $4.4 million at September 30, 2014, and December 31, 2013, respectively.