Condensed Consolidated Statements of Operations and Comprehensive Income (Unaudited) (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Revenues:
Design-to-silicon-yield solutions	$ 10,860,000	$ 17,015,000	$ 38,871,000	$ 46,813,000
Gainshare performance incentives	11,546,000	8,474,000	35,231,000	27,562,000
Total revenues	22,406,000	25,489,000	74,102,000	74,375,000
Costs of Design-to-silicon-yield solutions:
Direct costs of Design-to-silicon-yield solutions	9,722,000	10,507,000	28,273,000	29,905,000
Impairment of deferred costs	1,892,000		1,892,000
Total costs of Design-to-silicon-yield solutions	11,614,000	10,507,000	30,165,000	29,905,000
Gross profit	10,792,000	14,982,000	43,937,000	44,470,000
Operating expenses:
Research and development	3,349,000	3,396,000	10,282,000	9,944,000
Selling, general and administrative	4,498,000	3,812,000	13,487,000	13,010,000
Amortization of other acquired intangible assets		19,000	31,000	56,000
Restructuring charges (credits)	0	8,000	57,000	(35,000)
Total operating expenses	7,847,000	7,235,000	23,857,000	22,975,000
Income from operations	2,945,000	7,747,000	20,080,000	21,495,000
Interest and other income (expense), net	33,000	(283,000)	(82,000)	(109,000)
Income before income taxes	2,978,000	7,464,000	19,998,000	21,386,000
Income tax provision	1,217,000	2,640,000	7,287,000	7,279,000
Net income	1,761,000	4,824,000	12,711,000	14,107,000
Net income per share:
Basic (in Dollars per share)	$ 0.06	$ 0.16	$ 0.41	$ 0.48
Diluted (in Dollars per share)	$ 0.05	$ 0.15	$ 0.40	$ 0.45
Weighted average common shares:
Basic (in Shares)	30,876	30,000	30,648	29,668
Diluted (in Shares)	32,079	31,623	31,975	31,198
Net income	1,761,000	4,824,000	12,711,000	14,107,000
Other comprehensive income:
Foreign currency translation adjustments, net of tax	(542,000)	236,000	(683,000)	249,000
Comprehensive income	$ 1,219,000	$ 5,060,000	$ 12,028,000	$ 14,356,000