Subsequent Events (Details Narrative) - Lease Agreement [Member] - Subsequent Event [Member]	Feb. 28, 2018 USD ($) Integer $ / shares shares	Jan. 28, 2018 USD ($) ft² m²	Jan. 28, 2018 ILS (₪) ft² m²
Additional area of land | m²		934	934
Area of land | ft²		10,054	10,054
Lease expiration date		Dec. 31, 2025	Dec. 31, 2025
Extended lease term		5 years	5 years
Lease expenses | $		$ 27,000
AgeX [Member]
Warrant to purchase common stock | shares	1,473,600
Warrant exercise price | $ / shares	$ 0.50
Proceeds from warrants | $	$ 736,800
Warrant exercisable price | $ / shares	$ 2.50
AgeX [Member] | January 31, 2019 [Member]
Common stock exercise price | $ / shares	$ 3.75
Number of trading days | Integer	20
NIS [Member]
Lease expenses | ₪			₪ 93,470
Maximum [Member]
Leasehold improvement construction allowance | $		$ 1,200,000
Maximum [Member] | NIS [Member]
Leasehold improvement construction allowance | ₪			₪ 4,000,000