Amount represents the fair value of shares issued.

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The number of common stock to be issued under stock purchase agreement.

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).

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Amount of Net Income (Loss) attributable to noncontrolling interest.

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Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

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The aggregate 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 costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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Non-controlling Interest (Details) - USD ($)		3 Months Ended						9 Months Ended
Non-controlling Interest (Details) - USD ($)	Sep. 05, 2018	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Noncontrolling Interest [Line Items]
Net Loss Attributable to Non-controlling Interest		$ (30,000)	$ (27,000)	$ (16,000)	$ (9,000)	$ (16,000)	$ (9,000)	$ (73,000)	$ (35,000)
Stockholders' Equity Attributable to Noncontrolling Interest		(2,841,000)						(2,841,000)		$ (2,909,000)
Related Party Transaction, Expenses from Transactions with Related Party	$ 441,000
Research and Development Expense		$ 4,144,000			$ 2,846,000			$ 9,156,000	$ 9,788,000
Cedarssinai Medical Center [Member]
Noncontrolling Interest [Line Items]
Number Of Common Stock To Be Issued	50,000	50,000						50,000
Research and Development Expense		$ 108,000						$ 318,000
Fair Value Of Shares Issued	$ 285,000