Related Party Transactions	6 Months Ended
Jun. 30, 2021
Related Party Transactions [Abstract]
Related Party Transactions	11. Related Party Transactions A member of the Company’s management is the controlling person of Aegea Biotechnologies, Inc., or Aegea. On September 2, 2012, the Company entered into an Assignment and Exclusive Cross-License Agreement, or the Cross-License Agreement, with Aegea. The Company received payments totaling approximately $26,000 and $36,000 during the years ended December 31, 2019 and 2020, respectively, from Aegea as reimbursements for shared patent costs under the Cross-License Agreement. On December 11, 2019, the Company entered into a First Amendment to Assignment and Exclusive Cross-License Agreement with Aegea pursuant to which the Company obtained a royalty bearing license for a certain patent. The Company agreed to pay Aegea, effective January 1, 2019, a royalty of 10% on the Company’s sale of research use only, or RUO, and import research use only reagents and kits in the field of oncology, where the sample types are tissue, whole blood, bone marrow, cerebrospinal fluid or derivatives of any of the foregoing. As of December 31, 2020 and June 30, 2021, the Company has accrued approximately $2,900 and $1,700 for royalty expenses, respectively, related to this arrangement. On June 3, 2020, the Company entered into a development agreement with Aegea focused on the co-development by Biocept and Aegea of a highly sensitive PCR-based assay designed by Aegea for detecting the COVID-19 virus. Pursuant to the agreement, the Company will receive compensation for development services performed based on time and materials expended. During the three and six months ended June 30, 2021, the Company recorded development service revenues of approximately $15,000 and $60,000, respectively, and had approximately $22,000 accounts receivable due from Aegea as of June 30, 2021 related to this agreement. In February 2021, the Company entered into a supply agreement with Aegea for a new PCR-based COVID-19 assay kit designed by Aegea and co-developed by Aegea and the Company. Under the agreement, Aegea will supply the COVID-19 assay kit to the Company for validation in its CLIA-certified, CAP-accredited high-complexity molecular lab and subsequent commercialization of a laboratory developed test (LDT). In the three and six months ended June 30, 2021, there has been no amounts exchanged under this agreement.

Related Party Transactions

6 Months Ended

Jun. 30, 2021

11. Related Party Transactions

A member of the Company’s management is the controlling person of Aegea Biotechnologies, Inc., or Aegea. On September 2, 2012, the Company entered into an Assignment and Exclusive Cross-License Agreement, or the Cross-License Agreement, with Aegea. The Company received payments totaling approximately $26,000 and $36,000 during the years ended December 31, 2019 and 2020, respectively, from Aegea as reimbursements for shared patent costs under the Cross-License Agreement. On December 11, 2019, the Company entered into a First Amendment to Assignment and Exclusive Cross-License Agreement with Aegea pursuant to which the Company obtained a royalty bearing license for a certain patent. The Company agreed to pay Aegea, effective January 1, 2019, a royalty of 10% on the Company’s sale of research use only, or RUO, and import research use only reagents and kits in the field of oncology, where the sample types are tissue, whole blood, bone marrow, cerebrospinal fluid or derivatives of any of the foregoing. As of December 31, 2020 and June 30, 2021, the Company has accrued approximately $2,900 and $1,700 for royalty expenses, respectively, related to this arrangement. On June 3, 2020, the Company entered into a development agreement with Aegea focused on the co-development by Biocept and Aegea of a highly sensitive PCR-based assay designed by Aegea for detecting the COVID-19 virus. Pursuant to the agreement, the Company will receive compensation for development services performed based on time and materials expended. During the three and six months ended June 30, 2021, the Company recorded development service revenues of approximately $15,000 and $60,000, respectively, and had approximately $22,000 accounts receivable due from Aegea as of June 30, 2021 related to this agreement. In February 2021, the Company entered into a supply agreement with Aegea for a new PCR-based COVID-19 assay kit designed by Aegea and co-developed by Aegea and the Company. Under the agreement, Aegea will supply the COVID-19 assay kit to the Company for validation in its CLIA-certified, CAP-accredited high-complexity molecular lab and subsequent commercialization of a laboratory developed test (LDT). In the three and six months ended June 30, 2021, there has been no amounts exchanged under this agreement.