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Inventories (Tables)

12 Months Ended

Dec. 31, 2012

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

As of December 31, 2011 and 2012, inventories consisted of the following:

		December 31,
		2011				2012
		(in thousands)
Finished goods		$	30,703				39,988
Work in process			57,737				60,227
Raw materials			24,505				16,424
Supplies			40				32
		$	112,985				116,671

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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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