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Asset Acquisition | 9 Months Ended
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Sep. 30, 2021
Business Combinations [Abstract] |
Asset Acquisition | 14. Asset Acquisition In May 2020, the Company completed the acquisition of 100% of the outstanding equity of Immulus, Inc. (“Immulus”), a company focused on developing technology platforms that enable the development and production of cell therapeutics. As consideration for the acquisition, the Company paid $3.5 million in cash and issued an aggregate of 688,463 shares of its common stock, with an estimated fair value of $4.0 million. The Company also incurred $0.5 million of direct expenses, for total consideration of $8.0 million. The Company concluded the acquisition did not meet the accounting definition of a business as inputs were acquired, but no processes or outputs were acquired. Consequently, the Company accounted for the transaction as an asset acquisition with the value concentrated in IPR&D. The following table summarizes the fair value of assets acquired (in thousands):
Other assets |  | $ | 487 |
In-process research and development (IPR&D) |  |  | 7,528 |
Total assets acquired |  | $ | 8,015 |
The amount allocated to the IPR&D asset was charged to research and development expenses for the nine months ended September 30, 2020 as this asset had no alternative future use at the time of the acquisition transaction. In addition, the Company is also required to make milestone payments of up to $37.0 million to the former stockholders of Immulus upon successful completion of specified development milestones. Triggering of these milestones payments was not considered probable as of the date of the acquisition, and no expense has been recorded for these milestones for the three and nine months ended September 30, 2021 and 2020.

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- Definition The entire disclosure for a business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities. The disclosure may include leverage buyout transactions (as applicable). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -URI http://asc.fasb.org/topic&trid=2303972 + Details
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