Related party transactions	9 Months Ended
Sep. 30, 2020
Related party transactions
Related party transactions	13. Related party transactions License agreements The Company has entered into license agreements with certain stockholders of the Company. Expenses with these related parties were de minimis and $0.1 million for the three months ended September 30, 2020 and 2019, respectively, and de minimis and $0.2 million for the nine months ended September 30, 2020 and 2019, respectively. There were no amounts owed to these related parties as of September 30, 2020 and December 31, 2019. Convertible promissory notes During the nine months ended September 30, 2019, the Company received $6.8 million upon issuing convertible promissory notes, of which $3.8 million was from several of its existing preferred stock investors. All of the convertible promissory notes were converted into shares of Series A Preferred (see Note 6). Broadband services agreement During November 2015, the Company entered into a Master Services Agreement (MSA) with BCM Advisory Partners LLC, Broadband Capital Partners LLC and Broadband Advisory (collectively, Broadband) pursuant to which Broadband agreed to provide corporate finance, strategic planning, and management services to the Company. The Company issued shares of common stock to Broadband and, starting May 1, 2016, is required to pay Broadband a cash fee of $20,000 per month for Broadband’s advisory services. The Company recorded $0.1 million and $0.1 million during the three months ended September 30, 2020 and 2019, respectively, and $0.2 million and $0.2 million during the nine months ended September 30, 2020 and 2019, respectively, related to the Broadband MSA which is included in general and administrative expenses in the statements of operations.

Related party transactions

9 Months Ended

Sep. 30, 2020

13. Related party transactions

License agreements

The Company has entered into license agreements with certain stockholders of the Company. Expenses with these related parties were de minimis and $0.1 million for the three months ended September 30, 2020 and 2019, respectively, and de minimis and $0.2 million for the nine months ended September 30, 2020 and 2019, respectively. There were no amounts owed to these related parties as of September 30, 2020 and December 31, 2019.

Convertible promissory notes

During the nine months ended September 30, 2019, the Company received $6.8 million upon issuing convertible promissory notes, of which $3.8 million was from several of its existing preferred stock investors. All of the convertible promissory notes were converted into shares of Series A Preferred (see Note 6).

Broadband services agreement

During November 2015, the Company entered into a Master Services Agreement (MSA) with BCM Advisory Partners LLC, Broadband Capital Partners LLC and Broadband Advisory (collectively, Broadband) pursuant to which Broadband agreed to provide corporate finance, strategic planning, and management services to the Company. The Company issued shares of common stock to Broadband and, starting May 1, 2016, is required to pay Broadband a cash fee of $20,000 per month for Broadband’s advisory services. The Company recorded $0.1 million and $0.1 million during the three months ended September 30, 2020 and 2019, respectively, and $0.2 million and $0.2 million during the nine months ended September 30, 2020 and 2019, respectively, related to the Broadband MSA which is included in general and administrative expenses in the statements of operations.