Property, Plant and Equipment

12 Months Ended

Dec. 31, 2014

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment Disclosure [Text Block]

Note 9.

Property, Plant and Equipment

	December 31,
	2013		2014
	(in thousands)

Land	$	14,328		14,328
Building and improvements		18,109		18,582
Machinery		39,530		41,154
Research and development equipment		23,030		25,155
Software		12,080		12,537
Office furniture and equipment		9,125		9,968
Others		19,362		23,516
		135,564		145,240
Accumulated depreciation and amortization		(76,997)		(89,090)
Prepayment for purchases of equipment		2,021		1,121
	$	60,588		57,271

Depreciation and amortization of these assets for the years ended December 31, 2012, 2013 and 2014 were $10,791 thousand, $11,400 thousand and $13,639 thousand, respectively.

- Definition

The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures.

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