XML 55 R44.htm IDEA: XBRL DOCUMENT
v3.23.2

Stockholders' Equity - Schedule of Common Stock Shares Reserved for the Potential Conversion of Outstanding Preferred Stock and Exercise of Stock Options (Details) - shares | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Class of Stock Disclosures [Abstract] |  |
Options to purchase common stock | 3,130,630 | 3,300,935
Unvested restricted stock units | 1,805,055 | 1,787,152
Remaining shares reserved for future issuance | 2,503,004 | 733,636
Total | 7,438,689 | 5,821,723

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 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 -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -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