Commitments and Contingencies	12 Months Ended
Dec. 31, 2022
Commitments And Contingencies Disclosure [Abstract]
Commitments and Contingencies	14. Commitments and Contingencies Leases The Company’s commitments under its operating leases are described in Note 7. License Agreement The Company entered into a license agreement under which it is obligated to make fixed and contingent payments, as described in Note 8. Companion Diagnostic Agreement In June 2022, the Company entered into a companion diagnostic agreement (the “Akoya Agreement”) with Akoya Biosciences, Inc. (“Akoya”), pursuant to which the Company has engaged Akoya to co-develop, validate, and commercialize the Company’s proprietary ACR-368 OncoSignature test, the companion diagnostic that will be used to identify patients with cancer most likely to respond to ACR-368. Subject to the terms of the Akoya Agreement, the Company paid Akoya a one-time, non-refundable, non-creditable upfront payment in the amount of $0.6 million. The Company is obligated to pay Akoya up to an aggregate of $10.3 million upon the achievement of specified development milestones. Through December 31, 2022, the Company has made aggregate payments of $2.3 million to Akoya. The Company recorded expense of $2.3 million during the year ended December 31, 2022. No amounts were due to Akoya as of December 31, 2022. Indemnification Agreements In the ordinary course of business, the Company may provide indemnification of varying scope and terms to vendors, lessors, business partners and other parties with respect to certain matters including, but not limited to, losses arising out of breach of such agreements or from intellectual property infringement claims made by third parties. In addition, the Company has entered into indemnification agreements with each of its directors and executive officers that will require the Company, among other things, to indemnify them against certain liabilities that may arise by reason of their status or services as directors or executive officers. The maximum potential amount of future payments the Company could be required to make under these indemnification agreements is, in many cases, unlimited. To date, the Company has not incurred any material costs as a result of such indemnifications. The Company is not currently aware of any indemnification claims and had not accrued any liabilities related to such obligations in its consolidated financial statements as of December 31, 2022 and 2021. Legal Proceedings From time to time, in the ordinary course of business, the Company is subject to litigation and regulatory examinations as well as information gathering requests, inquiries and investigations. As of December 31, 2022 and 2021, there were no matters which would have a material impact on the Company’s financial results. Other Contracts The Company enters into contracts in the normal course of business with various third parties for preclinical research studies, clinical trials, testing, manufacturing and other services. These contracts generally provide for termination upon notice and are cancelable without significant penalty or payment, and do not contain any minimum purchase commitments.

Commitments and Contingencies

12 Months Ended

Dec. 31, 2022

Commitments And Contingencies Disclosure [Abstract]

14. Commitments and Contingencies

Leases

The Company’s commitments under its operating leases are described in Note 7.

License Agreement

The Company entered into a license agreement under which it is obligated to make fixed and contingent payments, as described in Note 8.

Companion Diagnostic Agreement

In June 2022, the Company entered into a companion diagnostic agreement (the “Akoya Agreement”) with Akoya Biosciences, Inc. (“Akoya”), pursuant to which the Company has engaged Akoya to co-develop, validate, and commercialize the Company’s proprietary ACR-368 OncoSignature test, the companion diagnostic that will be used to identify patients with cancer most likely to respond to ACR-368. Subject to the terms of the Akoya Agreement, the Company paid Akoya a one-time, non-refundable, non-creditable upfront payment in the amount of $0.6 million. The Company is obligated to pay Akoya up to an aggregate of $10.3 million upon the achievement of specified development milestones. Through December 31, 2022, the Company has made aggregate payments of $2.3 million to Akoya. The Company recorded expense of $2.3 million during the year ended December 31, 2022. No amounts were due to Akoya as of December 31, 2022.

Indemnification Agreements

In the ordinary course of business, the Company may provide indemnification of varying scope and terms to vendors, lessors, business partners and other parties with respect to certain matters including, but not limited to, losses arising out of breach of such agreements or from intellectual property infringement claims made by third parties. In addition, the Company has entered into indemnification agreements with each of its directors and executive officers that will require the Company, among other things, to indemnify them against certain liabilities that may arise by reason of their status or services as directors or executive officers. The maximum potential amount of future payments the Company could be required to make under these indemnification agreements is, in many cases, unlimited. To date, the Company has not incurred any material costs as a result of such indemnifications. The Company is not currently aware of any indemnification claims and had not accrued any liabilities related to such obligations in its consolidated financial statements as of December 31, 2022 and 2021.

Legal Proceedings

From time to time, in the ordinary course of business, the Company is subject to litigation and regulatory examinations as well as information gathering requests, inquiries and investigations. As of December 31, 2022 and 2021, there were no matters which would have a material impact on the Company’s financial results.

Other Contracts

The Company enters into contracts in the normal course of business with various third parties for preclinical research studies, clinical trials, testing, manufacturing and other services. These contracts generally provide for termination upon notice and are cancelable without significant penalty or payment, and do not contain any minimum purchase commitments.