Termination of Merger with Illumina	9 Months Ended
Sep. 30, 2020
Termination of Merger with Illumina [Abstract]
Termination of Merger with Illumina	NOTE 2 TERMINATION OF MERGER WITH ILLUMINA On November 1, 2018, we entered into an Agreement and Plan of Merger (as amended, the “Merger Agreement”) with Illumina, Inc. (“Illumina”) and FC Ops Corp., a wholly owned subsidiary of Illumina (“Merger Subsidiary”). On January 2, 2020, we, Illumina and Merger Subsidiary, entered into an agreement to terminate the Merger Agreement (the “Termination Agreement”). As part of the Termination Agreement, Illumina paid us a $98.0 million termination fee (the “Reverse Termination Fee”), from which we paid our financial advisor associated fees of $6.0 million in April 2020. In addition, Illumina paid us cash payments (“Continuation Advances”) of $18.0 million during the fourth quarter of 2019 and $34.0 million during the first quarter of 2020. However, pursuant to the Termination Agreement, in the event that, on or prior to September 30, 2020, we entered into a definitive agreement providing for, or consummated, a Change of Control Transaction (as defined in the Termination Agreement) (“Change of Control Transaction”), then we may have been required to repay the Reverse Termination Fee (without interest) to Illumina in connection with the consummation of such Change of Control Transaction. No such definitive agreement was entered into nor was a Change of Control Transaction consummated as of September 30, 2020. Please refer to “Note 5. Balance Sheet Components” for the accounting treatment of the Reverse Termination Fee. In addition, up to the full $52.0 million of Continuation Advances paid to us are repayable without interest to Illumina if, within two years of March 31, 2020, we enter into, or consummate a Change of Control Transaction or raise at least $100 million in a single equity or debt financing (that may have multiple closings), with the amount repayable dependent on the amount raised by us. Please refer to “Note 3. Summary of Significant Accounting Policies” for the accounting treatment of the Continuation Advances.

Termination of Merger with Illumina

9 Months Ended

Sep. 30, 2020

Termination of Merger with Illumina [Abstract]

NOTE 2 TERMINATION OF MERGER WITH ILLUMINA

On November 1, 2018, we entered into an Agreement and Plan of Merger (as amended, the “Merger Agreement”) with Illumina, Inc. (“Illumina”) and FC Ops Corp., a wholly owned subsidiary of Illumina (“Merger Subsidiary”). On January 2, 2020, we, Illumina and Merger Subsidiary, entered into an agreement to terminate the Merger Agreement (the “Termination Agreement”). As part of the Termination Agreement, Illumina paid us a $98.0 million termination fee (the “Reverse Termination Fee”), from which we paid our financial advisor associated fees of $6.0 million in April 2020. In addition, Illumina paid us cash payments (“Continuation Advances”) of $18.0 million during the fourth quarter of 2019 and $34.0 million during the first quarter of 2020.

However, pursuant to the Termination Agreement, in the event that, on or prior to September 30, 2020, we entered into a definitive agreement providing for, or consummated, a Change of Control Transaction (as defined in the Termination Agreement) (“Change of Control Transaction”), then we may have been required to repay the Reverse Termination Fee (without interest) to Illumina in connection with the consummation of such Change of Control Transaction. No such definitive agreement was entered into nor was a Change of Control Transaction consummated as of September 30, 2020. Please refer to “Note 5. Balance Sheet Components” for the accounting treatment of the Reverse Termination Fee.

In addition, up to the full $52.0 million of Continuation Advances paid to us are repayable without interest to Illumina if, within two years of March 31, 2020, we enter into, or consummate a Change of Control Transaction or raise at least $100 million in a single equity or debt financing (that may have multiple closings), with the amount repayable dependent on the amount raised by us. Please refer to “Note 3. Summary of Significant Accounting Policies” for the accounting treatment of the Continuation Advances.