Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2013

Adjustments Resulting From Foreign Currency Translations

Amounts credited or charged to the statement of operations for the years ended December 31, 2013, December 31, 2012 and December 31, 2011 were as follows:

	Year ended December 31,
	(in thousands)
	2013			2012			2011

Amounts (credited)/charged	$	(1,233	)	$	(1,231	)	$	391

Estimated Useful Lives of Assets

Depreciation of property, plant and equipment is computed using the straight line method based on the estimated useful lives of the assets as listed below:

		Years
Building		40
Office furniture and fixtures		8
Laboratory equipment		5
Motor vehicles		5
Computer equipment and software		2-8

Reconciliation of Number of Shares Used in Computation of Basic and Diluted Net Income Per Ordinary Share

The reconciliation of the number of shares used in the computation of basic and diluted net income per ordinary share is as follows:

	Year Ended December 31,
	2013		2012		2011
Weighted average number of ordinary shares outstanding for basic net income per ordinary share		60,907,274		59,968,174		60,379,338
Effect of dilutive share options outstanding		1,345,977		482,532		691,348
Weighted average number of ordinary shares outstanding for diluted net income per ordinary share		62,253,251		60,450,706		61,070,686