XML 48 R39.htm IDEA: XBRL DOCUMENT
v3.23.3

Reorganizations - Additional Information (Details) $ in Millions | 1 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2023 USD ($) | Jun. 30, 2022 USD ($) | Sep. 30, 2023 USD ($) | Sep. 30, 2023 USD ($) Officers | Dec. 31, 2023 USD ($)
Restructuring charges, total |  | $ 5.4 |  |  |
Anticipated restructuring expense |  |  | $ 13.4 | $ 13.4 |
Number of executive officers terminated | Officers |  |  |  | 5 |
2023 Restructuring Plan |  |  |  |  |
Payments for restructuring charges |  |  | 1.9 | $ 3.7 |
2023 Restructuring Plan | Forecast |  |  |  |  |
Anticipated restructuring expense |  |  |  |  | $ 0.2
Executive Officer Departures |  |  |  |  |
Restructuring charges, total |  |  |  | 13.4 |
Research and Development Expense | 2023 Restructuring Plan |  |  |  |  |
Restructuring charges, total |  |  | 0.9 | 1.5 |
Research and Development Expense | Executive Officer Departures |  |  |  |  |
Restructuring charges, total |  |  |  | 2.3 |
Sales and Marketing Expense | 2023 Restructuring Plan |  |  |  |  |
Restructuring charges, total |  |  | 1.0 | 2.1 |
Sales and Marketing Expense | Executive Officer Departures |  |  |  |  |
Restructuring charges, total |  |  |  | 3.9 |
General and Administrative Expense | 2023 Restructuring Plan |  |  |  |  |
Restructuring charges, total |  |  |  | 0.1 |
General and Administrative Expense | Executive Officer Departures |  |  |  |  |
Restructuring charges, total |  |  | 2.2 | 7.2 |
Employee Severance |  |  |  |  |
Restructuring charges, total |  | 5.0 |  |  |
Anticipated restructuring expense |  |  | 4.7 | 4.7 |
Employee Severance | 2023 Restructuring Plan |  |  |  |  |
Restructuring charges, total | $ 3.9 |  |  |  |
Payments for restructuring charges |  |  |  | 1.7 |
Employee Severance | Executive Officer Departures |  |  |  |  |
Payments for restructuring charges |  |  |  | 4.6 |
Accelerated Non-Cash Stock Option Expense |  |  |  |  |
Restructuring charges, total |  | $ 0.4 |  |  |
Non-Cash, Stock-based Compensation Expense |  |  |  |  |
Anticipated restructuring expense |  |  | $ 8.7 | $ 8.7 |

X
- Definition Number of Executive Officers Terminated + References No definition available. + Details
Name: | hrtx_NumberOfExecutiveOfficersTerminated
Namespace Prefix: | hrtx_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482017/420-10-50-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 17 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-17 + Details
Name: | us-gaap_PaymentsForRestructuring
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of expected cost remaining for the specified restructuring cost. + References No definition available. + Details
Name: | us-gaap_RestructuringAndRelatedCostExpectedCostRemaining1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479823/420-10-S99-2 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482047/420-10-45-3 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479823/420-10-S99-1 + Details
Name: | us-gaap_RestructuringCharges
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_RestructuringPlanAxis=hrtx_TwoThousandAndTwentyThreeRestructuringPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringPlanAxis=hrtx_ExecutiveOfficerDeparturesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_ResearchAndDevelopmentExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_SellingAndMarketingExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_GeneralAndAdministrativeExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=us-gaap_EmployeeSeveranceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=hrtx_AcceleratedNoncashStockOptionExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=hrtx_NonCashStockBasedCompensationExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |