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CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Share data, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2015 | Mar. 31, 2014
REVENUE: |  |
Material sales | $ 26,818 us-gaap_SalesRevenueGoodsNet | $ 35,327 us-gaap_SalesRevenueGoodsNet
Royalty and license fees | 4,375 us-gaap_RoyaltyRevenue | 1,779 us-gaap_RoyaltyRevenue
Technology development and support revenue | 30 us-gaap_TechnologyServicesRevenue | 733 us-gaap_TechnologyServicesRevenue
Total revenue | 31,223 us-gaap_Revenues | 37,839 us-gaap_Revenues
OPERATING EXPENSES: |  |
Cost of material sales | 8,581 us-gaap_CostOfGoodsSold | 9,897 us-gaap_CostOfGoodsSold
Research and development | 9,919 us-gaap_ResearchAndDevelopmentExpense | 10,156 us-gaap_ResearchAndDevelopmentExpense
Selling, general and administrative | 6,200 us-gaap_SellingGeneralAndAdministrativeExpense | 6,430 us-gaap_SellingGeneralAndAdministrativeExpense
Patent costs and amortization of acquired technology | 3,967 us-gaap_LicenseCosts | 3,972 us-gaap_LicenseCosts
Royalty and license expense | 785 us-gaap_RoyaltyExpense | 756 us-gaap_RoyaltyExpense
Total operating expenses | 29,452 us-gaap_OperatingExpenses | 31,211 us-gaap_OperatingExpenses
Operating (loss) income | 1,771 us-gaap_OperatingIncomeLoss | 6,628 us-gaap_OperatingIncomeLoss
INTEREST INCOME | 173 us-gaap_InvestmentIncomeInterest | 218 us-gaap_InvestmentIncomeInterest
INTEREST EXPENSE | (12)us-gaap_InterestExpense | (17)us-gaap_InterestExpense
INCOME BEFORE INCOME TAXES | 1,932 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 6,829 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
INCOME TAX EXPENSE | (618)us-gaap_IncomeTaxExpenseBenefit | (2,807)us-gaap_IncomeTaxExpenseBenefit
NET INCOME | $ 1,314 us-gaap_NetIncomeLoss | $ 4,022 us-gaap_NetIncomeLoss
NET INCOME PER COMMON SHARE: |  |
Basic (in dollars per share) | $ 0.03 us-gaap_EarningsPerShareBasic | $ 0.09 us-gaap_EarningsPerShareBasic
Diluted (in dollars per share) | $ 0.03 us-gaap_EarningsPerShareDiluted | $ 0.09 us-gaap_EarningsPerShareDiluted
WEIGHTED AVERAGE SHARES USED IN COMPUTING NET INCOME PER COMMON SHARE: |  |
Weighted average common shares outstanding - Basic (in shares) | 45,785,725 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 46,177,661 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Weighted average common shares outstanding - Diluted (in shares) | 46,214,247 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 46,651,438 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding

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