XML 82 R65.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Note L - Stock and Warrants - Reserved Authorized Shares of Common Stock for Future Issuance (Details) - shares | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Common shares reserved for future issuance (in shares) | 19,804,372 | 16,695,928
Warrant [Member] |  |
Common shares reserved for future issuance (in shares) | 5,483,537 | 5,603,729
Share-Based Payment Arrangement [Member] |  |
Common shares reserved for future issuance (in shares) | 7,789,658 | 8,023,142
Possible Future Issuances Under Equity Incentive Plans [Member] |  |
Common shares reserved for future issuance (in shares) | 5,383,165 | 1,728,885
Possible Future Issuances Under Employee Stock Purchase Plans [Member] |  |
Common shares reserved for future issuance (in shares) | 1,148,012 | 1,340,172

X
- Definition Aggregate number of common shares reserved for future issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_CommonStockCapitalSharesReservedForFutureIssuance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=us-gaap_WarrantMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_StockCompensationPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=zvra_PossibleFutureIssuancesUnderEquityIncentivePlansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=zvra_PossibleFutureIssuancesUnderEmployeeStockPurchasePlansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |