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v2.4.1.9

Condensed Statements of Cash Flows (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Cash flows from operating activities |  |  |
Net loss | $ (16,422)xncr_NetProfitLoss | $ (60,259)xncr_NetProfitLoss | $ (8,594)xncr_NetProfitLoss
Adjustments to reconcile net loss to net cash (used in) provided by operating activities: |  |  |
Depreciation and amortization | 882 us-gaap_DepreciationDepletionAndAmortization | 711 us-gaap_DepreciationDepletionAndAmortization | 527 us-gaap_DepreciationDepletionAndAmortization
Stock-based compensation | 1,861 us-gaap_ShareBasedCompensation | 198 us-gaap_ShareBasedCompensation | 29 us-gaap_ShareBasedCompensation
Abandonment of capitalized intangible assets | 509 us-gaap_NoncashProjectAbandonmentCosts | 205 us-gaap_NoncashProjectAbandonmentCosts | 388 us-gaap_NoncashProjectAbandonmentCosts
Gain from non-monetary exchange |  |  | (754)xncr_GainLossOnNonMonetaryExchange
Gain on disposal of assets | (2)us-gaap_GainLossOnDispositionOfAssets1 | (16)us-gaap_GainLossOnDispositionOfAssets1 | (86)us-gaap_GainLossOnDispositionOfAssets1
Loss on exchange of notes for preferred stock |  | 48,556 us-gaap_GainsLossesOnExtinguishmentOfDebt |
Accrued interest on convertible promissory notes (See Note 3) |  | 1,211 us-gaap_AmortizationOfFinancingCosts | 2,456 us-gaap_AmortizationOfFinancingCosts
Changes in operating assets and liabilities: |  |  |
Accounts receivable | (2,907)xncr_IncreaseDecreaseCollaborationPartnerReceivable | 293 xncr_IncreaseDecreaseCollaborationPartnerReceivable | (325)xncr_IncreaseDecreaseCollaborationPartnerReceivable
Prepaid expenses and other assets | (73)us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets | 115 us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets | (90)us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
Other assets | 41 us-gaap_IncreaseDecreaseInOtherNoncurrentAssets | (20)us-gaap_IncreaseDecreaseInOtherNoncurrentAssets | 15 us-gaap_IncreaseDecreaseInOtherNoncurrentAssets
Accounts payable | (943)us-gaap_IncreaseDecreaseInAccountsPayable | 1,319 us-gaap_IncreaseDecreaseInAccountsPayable | (522)us-gaap_IncreaseDecreaseInAccountsPayable
Accrued expenses | 859 us-gaap_IncreaseDecreaseInAccruedLiabilities | 109 us-gaap_IncreaseDecreaseInAccruedLiabilities | 460 us-gaap_IncreaseDecreaseInAccruedLiabilities
Deferred revenue | (5,156)us-gaap_IncreaseDecreaseInDeferredRevenue | 2,125 us-gaap_IncreaseDecreaseInDeferredRevenue | (4,556)us-gaap_IncreaseDecreaseInDeferredRevenue
Net cash used in operating activities | (21,351)us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations | (5,453)us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations | (11,052)us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
Cash flows from investing activities |  |  |
Purchase of intangible assets | (1,505)us-gaap_PaymentsToAcquireIntangibleAssets | (1,158)us-gaap_PaymentsToAcquireIntangibleAssets | (1,217)us-gaap_PaymentsToAcquireIntangibleAssets
Purchase of property and equipment | (780)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment | (136)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment | (41)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Proceeds from sale of property and equipment | 2 us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment | 16 us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment | 97 us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment
Net cash used in investing activities | (2,283)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations | (1,278)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations | (1,161)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
Cash flows from financing activities |  |  |
Preferred stock issuance cost |  | (116)us-gaap_PaymentsOfStockIssuanceCosts |
Proceeds from the sale of Series A-1 preferred |  | 10,000 us-gaap_ProceedsFromIssuanceOfConvertiblePreferredStock |
Proceeds from issuance of common stock upon exercise of stock awards | 9 us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions | 13 us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions |
Proceeds from issuance of common stock under the Employee Stock Purchase Plan | 307 us-gaap_ProceedsFromStockPlans |  |
Proceeds from sale of common stock |  | 80,517 us-gaap_ProceedsFromIssuanceOfCommonStock |
Payments of Initial Public Offering costs |  | (8,010)xncr_PaymentsOfInitialPublicOfferingCosts |
Payments on capital lease obligations | (8)us-gaap_RepaymentsOfDebtAndCapitalLeaseObligations | (10)us-gaap_RepaymentsOfDebtAndCapitalLeaseObligations | (12)us-gaap_RepaymentsOfDebtAndCapitalLeaseObligations
Net cash provided by financing activities | 308 us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations | 82,394 us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations | (12)us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
Net increase (decrease) in cash | (23,326)us-gaap_NetCashProvidedByUsedInContinuingOperations | 75,663 us-gaap_NetCashProvidedByUsedInContinuingOperations | (12,225)us-gaap_NetCashProvidedByUsedInContinuingOperations
Cash, beginning of period | 77,975 us-gaap_CashAndCashEquivalentsAtCarryingValue | 2,312 us-gaap_CashAndCashEquivalentsAtCarryingValue | 14,537 us-gaap_CashAndCashEquivalentsAtCarryingValue
Cash, end of period | 54,649 us-gaap_CashAndCashEquivalentsAtCarryingValue | 77,975 us-gaap_CashAndCashEquivalentsAtCarryingValue | 2,312 us-gaap_CashAndCashEquivalentsAtCarryingValue
Cash paid for: |  |  |
Interest | 9 us-gaap_InterestPaidNet | 1 us-gaap_InterestPaidNet | 3 us-gaap_InterestPaidNet
Taxes | 1 us-gaap_IncomeTaxesPaid |  |
Supplemental Schedule of Noncash Investing and Financing Activities |  |  |
Capitalization of licensing rights acquired in non-monetary exchange |  |  | 754 us-gaap_FairValueOfAssetsAcquired
Equipment acquired under capital lease |  |  | 22 us-gaap_CapitalLeaseObligationsIncurred
Settlement of notes payable for preferred stock |  | $ 22,134 us-gaap_NotesIssued1 |

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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition The cash inflow from the additional capital contribution to the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition The cash inflow from issuance of preferred stocks identified as being convertible into another form of financial instrument, typically the entity's common stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition The total cash inflow associated with the amount received from holders to acquire the entity's shares under incentive and share awards, including stock option exercises. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 + Details
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- Definition The cash inflow associated with the amount received from the stock plan during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition The cash outflow during the period from the repayment of aggregate short-term and long-term debt and payment of capital lease obligations. + References No definition available. + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition Represents the increase (decrease) during the reporting period in amount due within one year from a collaboration agreement, defined as a contractual agreement between the company and another entity(referred to as a partner) from which the company is entitled to receive contractual payments. + References No definition available. + Details
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- Definition The cash outflow for cost incurred in the payment of initial public offering costs + References No definition available. + Details
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