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v2.4.1.9

Statements of Cash Flows (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Operating activities: |  |  |
Net loss | $ (76,367,000)us-gaap_NetIncomeLoss | $ (55,283,000)us-gaap_NetIncomeLoss | $ (23,348,000)us-gaap_NetIncomeLoss
Adjustments to reconcile net loss to net cash used for operating activities: |  |  |
Stock-based compensation | 8,067,000 us-gaap_ShareBasedCompensation | 10,890,000 us-gaap_ShareBasedCompensation | 5,732,000 us-gaap_ShareBasedCompensation
Depreciation and amortization | 578,000 us-gaap_DepreciationAndAmortization | 333,000 us-gaap_DepreciationAndAmortization | 197,000 us-gaap_DepreciationAndAmortization
Amortization of debt discount | 573,000 us-gaap_AmortizationOfDebtDiscountPremium | 533,000 us-gaap_AmortizationOfDebtDiscountPremium | 389,000 us-gaap_AmortizationOfDebtDiscountPremium
Gain from discontinued operations |  |  | (1,082,000)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
Impairment loss on property and equipment | 905,000 us-gaap_AssetImpairmentCharges |  |
Loss on disposal of property and equipment | 17,000 us-gaap_GainLossOnSaleOfPropertyPlantEquipment |  |
Change in operating assets and liabilities: |  |  |
Prepaid expense and other current assets | (419,000)us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets | (54,000)us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets | (318,000)us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
Accounts payable | 1,285,000 us-gaap_IncreaseDecreaseInAccountsPayable | (426,000)us-gaap_IncreaseDecreaseInAccountsPayable | 984,000 us-gaap_IncreaseDecreaseInAccountsPayable
Accrued clinical liabilities | 2,038,000 hrtx_IncreaseDecreaseInClinicalLiabilities | 1,127,000 hrtx_IncreaseDecreaseInClinicalLiabilities | 92,000 hrtx_IncreaseDecreaseInClinicalLiabilities
Accrued payroll and employee liabilities | 165,000 us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities | 2,153,000 us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities | (149,000)us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities
Other accrued liabilities | 2,876,000 us-gaap_IncreaseDecreaseInOtherAccruedLiabilities | (36,000)us-gaap_IncreaseDecreaseInOtherAccruedLiabilities | 494,000 us-gaap_IncreaseDecreaseInOtherAccruedLiabilities
Net cash used for operating activities | (60,282,000)us-gaap_NetCashProvidedByUsedInOperatingActivities | (40,763,000)us-gaap_NetCashProvidedByUsedInOperatingActivities | (17,009,000)us-gaap_NetCashProvidedByUsedInOperatingActivities
Investing activities: |  |  |
Purchases of property and equipment | (1,438,000)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment | (1,685,000)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment | (972,000)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Net cash used for investing activities | (1,438,000)us-gaap_NetCashProvidedByUsedInInvestingActivities | (1,685,000)us-gaap_NetCashProvidedByUsedInInvestingActivities | (972,000)us-gaap_NetCashProvidedByUsedInInvestingActivities
Financing activities: |  |  |
Net proceeds from sale of common stock and/or pre-funded warrants | 58,916,000 us-gaap_ProceedsFromIssuanceOfCommonStock | 57,802,000 us-gaap_ProceedsFromIssuanceOfCommonStock | 50,491,000 us-gaap_ProceedsFromIssuanceOfCommonStock
Proceeds from purchases under the Employee Stock Purchase Plan | 91,000 us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans | 34,000 us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans | 22,000 us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans
Proceeds from stock option exercises | 3,101,000 us-gaap_ProceedsFromStockOptionsExercised | 2,793,000 us-gaap_ProceedsFromStockOptionsExercised |
Proceeds from warrant exercises |  | 600,000 us-gaap_ProceedsFromWarrantExercises |
Net proceeds from convertible note financing |  |  | 3,000,000 us-gaap_ProceedsFromConvertibleDebt
Net cash provided by financing activities | 62,108,000 us-gaap_NetCashProvidedByUsedInFinancingActivities | 61,229,000 us-gaap_NetCashProvidedByUsedInFinancingActivities | 53,513,000 us-gaap_NetCashProvidedByUsedInFinancingActivities
Net increase in cash and cash equivalents | 388,000 us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease | 18,781,000 us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease | 35,532,000 us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Cash and cash equivalents at beginning of year | 72,287,000 us-gaap_CashAndCashEquivalentsAtCarryingValue | 53,506,000 us-gaap_CashAndCashEquivalentsAtCarryingValue | 17,974,000 us-gaap_CashAndCashEquivalentsAtCarryingValue
Cash and cash equivalents at end of year | 72,675,000 us-gaap_CashAndCashEquivalentsAtCarryingValue | 72,287,000 us-gaap_CashAndCashEquivalentsAtCarryingValue | 53,506,000 us-gaap_CashAndCashEquivalentsAtCarryingValue
Supplemental disclosure of cash flow information: |  |  |
Interest paid | $ 0 us-gaap_InterestPaid | $ 0 us-gaap_InterestPaid | $ 0 us-gaap_InterestPaid

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- Definition The cash inflow associated with the amount received from holders exercising their stock options. 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 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 3: 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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Period Type: | duration

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- Definition The cash inflow associated with the amount received from holders exercising their stock warrants. + 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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