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Other Long-Term Liabilities (Tables)

3 Months Ended

Mar. 31, 2018

Other Liabilities Disclosure [Abstract]

Other long-term liabilities

		March 31, 2018				December 31, 2017
Subsidies to Stress Free Polishing project, commenced in 2008 and 2017		$	1,977			$	1,952
Subsidies to Electro Copper Plating project, commenced in 2014			4,204				4,265
Total		$	6,181			$	6,217

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Tabular disclosure of other noncurrent liabilities.

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