Income Taxes (Tables)

12 Months Ended

Dec. 31, 2014

Income Tax Disclosure [Abstract]

Schedule Provision For Income Taxes [Table Text Block]

The provision for income taxes was calculated as follows (figures are in thousands of USD):

	Year Ended December 31,
	2014			2013
Tax rate		35	%		35	%
Income before income taxes	$	46,081		$	38,241
Income tax at federal statutory tax rate		16,128			13,384
Tax benefit of double-deductible R&D expense		(2,871)			(2,793)
Effect of differences in foreign tax rate		(7,756)			(6,175)
Provision on valuation allowance for deferred income tax – U.S.		188			(178)
Provision on valuation allowance for deferred income tax – PRC		297			107
Other differences		799			1,138
Total income tax expense	$	6,785		$	5,483

Schedule Of Income Tax Exemption And Reduction [Table Text Block]

The combined effects of the income tax exemption and reduction available to the Company are as follows (figures are in thousands of USD unless otherwise indicated):

	Year Ended December 31,
	2014		2013
Tax holiday effect	$	7,756	$	6,175
Basic net income per share effect		0.27		0.22
Diluted net income per share effect		0.27		0.22