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v2.4.1.9

Condensed Consolidated 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 | $ (49,520)us-gaap_NetIncomeLoss | $ (29,044)us-gaap_NetIncomeLoss | $ (13,510)us-gaap_NetIncomeLoss
Adjustments to reconcile net loss to net cash used in operating activities: |  |  |
Depreciation and amortization | 450 us-gaap_DepreciationDepletionAndAmortization | 231 us-gaap_DepreciationDepletionAndAmortization | 93 us-gaap_DepreciationDepletionAndAmortization
Impairment of property and equipment |  | 364 us-gaap_AssetImpairmentCharges |
Amortization of premium on debt securities | 871 us-gaap_AmortizationOfDebtDiscountPremium | 586 us-gaap_AmortizationOfDebtDiscountPremium | 77 us-gaap_AmortizationOfDebtDiscountPremium
Stock-based compensation expense | 12,407 us-gaap_ShareBasedCompensation | 5,094 us-gaap_ShareBasedCompensation | 1,382 us-gaap_ShareBasedCompensation
Issuance of common stock for technology access fee |  | 2,500 ovas_IssuanceOfCommonStockForTechnologyAccessFee |
Net loss on equity method investment | 1,583 us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions |  |
Changes in operating assets and liabilities: |  |  |
Prepaid expenses and other assets | (997)us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets | (76)us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets | (530)us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
Accounts payable | 2,317 us-gaap_IncreaseDecreaseInAccountsPayable | (721)us-gaap_IncreaseDecreaseInAccountsPayable | 599 us-gaap_IncreaseDecreaseInAccountsPayable
Accrued expenses and other non-current liabilities | 2,301 us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities | 2,972 us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities | 733 us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities
Net cash used in operating activities | (30,588)us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations | (18,094)us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations | (11,156)us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
Cash flows from investing activities: |  |  |
Investment in joint venture | (1,500)us-gaap_PaymentsToAcquireInterestInJointVenture |  |
Purchases of property and equipment | (2,804)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment | (719)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment | (849)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Maturities of short-term investments | 20,797 us-gaap_ProceedsFromSaleMaturityAndCollectionOfShorttermInvestments | 5,670 us-gaap_ProceedsFromSaleMaturityAndCollectionOfShorttermInvestments |
Sales of short-term investments | 8,431 us-gaap_ProceedsFromSaleOfShortTermInvestments |  |
Purchases of short-term investments | (57,603)us-gaap_PaymentsToAcquireShortTermInvestments | (15,974)us-gaap_PaymentsToAcquireShortTermInvestments | (16,698)us-gaap_PaymentsToAcquireShortTermInvestments
(Increase) decrease in restricted cash | (109)us-gaap_IncreaseDecreaseInRestrictedCash | 5 us-gaap_IncreaseDecreaseInRestrictedCash | (93)us-gaap_IncreaseDecreaseInRestrictedCash
Net cash used in investing activities | (32,788)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations | (11,018)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations | (17,640)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
Cash flows from financing activities: |  |  |
Proceeds from issuance of preferred stock, net of issuance costs |  |  | 34,992 us-gaap_ProceedsFromIssuanceOfConvertiblePreferredStock
Net proceeds from the issuance of common stock | 51,733 us-gaap_ProceedsFromIssuanceOfCommonStock | 32,414 us-gaap_ProceedsFromIssuanceOfCommonStock | 4,039 us-gaap_ProceedsFromIssuanceOfCommonStock
Issuances of common stock under benefit plans, net of withholding taxes paid | (21)ovas_ProceedsFromIssuanceOfCommonStockFromShareBasedCompensationPlanNetOfTax |  |
Net cash provided by financing activities | 51,712 us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations | 32,414 us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations | 39,031 us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
Net (decrease) increase in cash and cash equivalents | (11,664)us-gaap_NetCashProvidedByUsedInContinuingOperations | 3,302 us-gaap_NetCashProvidedByUsedInContinuingOperations | 10,235 us-gaap_NetCashProvidedByUsedInContinuingOperations
Cash and cash equivalents at beginning of period | 18,078 us-gaap_CashAndCashEquivalentsAtCarryingValue | 14,776 us-gaap_CashAndCashEquivalentsAtCarryingValue | 4,541 us-gaap_CashAndCashEquivalentsAtCarryingValue
Cash and cash equivalents at end of period | 6,414 us-gaap_CashAndCashEquivalentsAtCarryingValue | 18,078 us-gaap_CashAndCashEquivalentsAtCarryingValue | 14,776 us-gaap_CashAndCashEquivalentsAtCarryingValue
Supplemental disclosure of non-cash investing and financing activity |  |  |
Conversion of convertible preferred stock to common stock |  |  | 41,192 us-gaap_ConversionOfStockAmountConverted1
Investment in OvaXon |  | $ 1,500 us-gaap_TransferToInvestments |
Vesting of restricted stock, net of shares withheld for taxes | 939000 |  |

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- Definition The cash outflow for securities or other assets acquired, which qualify for treatment as an investing activity and are to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term. + 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 -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 cash inflow from sales, maturities, prepayments, calls and collections of all investments, including securities and other assets, having ready marketability and intended by management to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + Details
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- Definition The cash inflow from sales of all investments, including securities and other assets, having ready marketability and intended by management to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + 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 Value of investments transferred to the entity's investments in noncash transactions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4313-108586 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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