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Condensed Consolidated Statements of Operations and Comprehensive Income (unaudited) (USD $) Share data in Thousands, except Per Share data, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2014 | Mar. 31, 2013
Revenues: |  |
Design-to-silicon-yield solutions | $ 14,919,000 | $ 14,848,000
Gainshare performance incentives | 12,167,000 | 9,262,000
Total revenues | 27,086,000 | 24,110,000
Costs of Design-to-silicon-yield solutions | 9,705,000 | 9,657,000
Gross profit | 17,381,000 | 14,453,000
Operating expenses: |  |
Research and development | 3,596,000 | 3,364,000
Selling, general and administrative | 4,329,000 | 4,794,000
Amortization of other acquired intangible assets | 18,000 | 18,000
Restructuring charges (credits) | 57,000 | (52,000)
Total operating expenses | 8,000,000 | 8,124,000
Income from operations | 9,381,000 | 6,329,000
Interest and other income (expense), net | (87,000) | 250,000
Income before income taxes | 9,294,000 | 6,579,000
Income tax provision | 3,039,000 | 1,848,000
Net income | 6,255,000 | 4,731,000
Net income per share: |  |
Basic (in Dollars per share) | $ 0.21 | $ 0.16
Diluted (in Dollars per share) | $ 0.20 | $ 0.15
Weighted average common shares |  |
Basic (in Shares) | 30,477 | 29,353
Diluted (in Shares) | 31,965 | 30,815
Net income | 6,255,000 | 4,731,000
Other comprehensive income: |  |
Foreign currency translation adjustments, net of tax | (52,000) | (169,000)
Comprehensive income | $ 6,203,000 | $ 4,562,000

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