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Research Funding | 12 Months Ended
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Dec. 31, 2018
Research and Development [Abstract] |
Research Funding | Research Funding California Institute of Regenerative Medicine Grant Award In February 2017, the California Institute for Regenerative Medicine ("CIRM") awarded us funds of up to $12.2 million to support the T-Rex Study. The funding will be based upon the achievement of certain milestones related to the proportion of subjects enrolled in California, as well as manufacturing and development costs incurred in California. In March 2018, CIRM calculated the precise amount of the funding award as $8.6 million, based on the actual number of subjects enrolled in California. We received $5.7 million in initial funding in May 2017, and a $1.9 million milestone payment in December 2017, and $0.3 million progress payment in March 2018, of which the total will be amortized over the estimated award period through July 2020 as a reduction to the related research and development expenses. As of December 31, 2018, $2.6 million of the funding received is recorded in accrued liabilities, representing the amount expected to be recognized over the next 12 months, and $1.5 million of the funding received is recorded in other long-term liabilities. During the years ended December 31, 2018 and December 31, 2017, the Company amortized and recognized a $2.6 million and $1.3 million credit to research and development related to CIRM funds received.

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- Definition The entire disclosure for research, development, and computer software activities, including contracts and arrangements to be performed for others and with federal government. Includes costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility and in-process research and development acquired in a business combination consummated during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 730 -URI http://asc.fasb.org/subtopic&trid=2197926 + Details
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