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CONDENSED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Share data, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2015 | Mar. 31, 2014
Revenues: |  |
License fees and royalties | $ 537 gern_LicensesAndRoyaltyRevenue | $ 474 gern_LicensesAndRoyaltyRevenue
Operating expenses: |  |
Research and development | 4,987 us-gaap_ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost | 5,211 us-gaap_ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost
Restructuring charges | 406 us-gaap_RestructuringCharges |
General and administrative | 4,600 us-gaap_GeneralAndAdministrativeExpense | 3,994 us-gaap_GeneralAndAdministrativeExpense
Total operating expenses | 9,993 us-gaap_OperatingExpenses | 9,205 us-gaap_OperatingExpenses
Loss from operations | (9,456)us-gaap_OperatingIncomeLoss | (8,731)us-gaap_OperatingIncomeLoss
Unrealized gain on derivatives | 16 us-gaap_UnrealizedGainLossOnDerivatives | 224 us-gaap_UnrealizedGainLossOnDerivatives
Interest and other income | 149 us-gaap_InterestAndOtherIncome | 83 us-gaap_InterestAndOtherIncome
Interest and other expense | (24)us-gaap_OtherNonoperatingExpense | (16)us-gaap_OtherNonoperatingExpense
Net loss | $ (9,315)us-gaap_NetIncomeLoss | $ (8,440)us-gaap_NetIncomeLoss
Basic and diluted net loss per share (in dollars per share) | $ (0.06)us-gaap_EarningsPerShareBasicAndDiluted | $ (0.06)us-gaap_EarningsPerShareBasicAndDiluted
Shares used in computing basic and diluted net loss per share (in shares) | 157,547,568 us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted | 143,465,818 us-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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- Definition The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. + References No definition available. + Details
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