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Inventories (Tables)

12 Months Ended

Dec. 31, 2012

Inventories [Abstract]

Schedule of Inventories

December 31,		2012				2011
Finished goods		$	3,615			$	4,071
Materials and products in process			50,483				43,622
			54,098				47,693
Adjustment of inventories to a LIFO basis			(38,089	)			(37,476	)
		$	16,009			$	10,217

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- Definition

Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 2

-Paragraph 6

-Subparagraph a,b,c

-Article 5

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