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CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
CONSOLIDATED STATEMENTS OF OPERATIONS |  |  |
License fees and royalties | $ 1,153,000gern_LicensesAndRoyaltyRevenue | $ 1,283,000gern_LicensesAndRoyaltyRevenue | $ 2,709,000gern_LicensesAndRoyaltyRevenue
Operating expenses: |  |  |
Research and development | 20,707,000us-gaap_ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost | 23,155,000us-gaap_ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost | 51,368,000us-gaap_ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost
Restructuring charges |  | 1,462,000us-gaap_RestructuringCharges | 2,702,000us-gaap_RestructuringCharges
General and administrative | 16,758,000us-gaap_GeneralAndAdministrativeExpense | 15,624,000us-gaap_GeneralAndAdministrativeExpense | 20,397,000us-gaap_GeneralAndAdministrativeExpense
Total operating expenses | 37,465,000us-gaap_OperatingExpenses | 40,241,000us-gaap_OperatingExpenses | 74,467,000us-gaap_OperatingExpenses
Loss from operations | (36,312,000)us-gaap_OperatingIncomeLoss | (38,958,000)us-gaap_OperatingIncomeLoss | (71,758,000)us-gaap_OperatingIncomeLoss
Unrealized gain (loss) on derivatives | 351,000us-gaap_UnrealizedGainLossOnDerivatives | (316,000)us-gaap_UnrealizedGainLossOnDerivatives | 13,000us-gaap_UnrealizedGainLossOnDerivatives
Interest and other income | 373,000us-gaap_InterestAndOtherIncome | 951,000us-gaap_InterestAndOtherIncome | 3,097,000us-gaap_InterestAndOtherIncome
Interest and other expense | (82,000)us-gaap_OtherNonoperatingExpense | (56,000)us-gaap_OtherNonoperatingExpense | (233,000)us-gaap_OtherNonoperatingExpense
Net loss | $ (35,670,000)us-gaap_NetIncomeLoss | $ (38,379,000)us-gaap_NetIncomeLoss | $ (68,881,000)us-gaap_NetIncomeLoss
Basic and diluted net loss per share (in dollars per share) | $ (0.23)us-gaap_EarningsPerShareBasicAndDiluted | $ (0.30)us-gaap_EarningsPerShareBasicAndDiluted | $ (0.54)us-gaap_EarningsPerShareBasicAndDiluted
Shares used in computing basic and diluted net loss per share (in shares) | 153,540,341us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted | 128,380,800us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted | 126,941,024us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted

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- Definition Revenue earned during the period relating to consideration received from another party for the right to use, but not own, certain of the entity's intangible assets. Licensing arrangements include, but are not limited to, rights to use a patent, copyright, technology, manufacturing process, software or trademark. Licensing fees are generally, but not always, fixed as to amount and not dependent upon the revenue generated by the licensing party. An entity may receive licensing fees for licenses that also generate royalty payments to the entity. Royalty revenue is derived from a percentage or stated amount of sales proceeds or revenue generated by the third party using the entity's property. Examples of property from which royalties may be derived include patents and oil and mineral rights. + References No definition available. + Details
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