XML 95 R56.htm IDEA: XBRL DOCUMENT
v3.25.1

Stockholders' Equity - Schedule of Common Stock Shares Reserved for the Potential Conversion of Outstanding Preferred Stock and Exercise of Stock Options (Details) - shares | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Class of Stock Disclosures [Abstract] |  |
Options to purchase common stock | 4,485,546 | 3,117,042
Pre-funded warrants to purchase common stock | 7,060,000 |
Unvested restricted stock units | 975,550 | 1,759,918
Remaining shares reserved for future issuance | 2,401,347 | 2,107,745
Total | 14,922,443 | 6,984,705

X
- Definition Options to purchase common stock. + References No definition available. + Details
Name: | acrv_OptionsToPurchaseCommonStock
Namespace Prefix: | acrv_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Pre-funded warrants to purchase common stock. + References No definition available. + Details
Name: | acrv_PreFundedWarrantsToPurchaseCommonStock
Namespace Prefix: | acrv_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Reserved shares. + References No definition available. + Details
Name: | acrv_ReservedShares
Namespace Prefix: | acrv_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_ClassOfStockDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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
- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant