Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2018

Accounting Policies [Abstract]

Schedule of Property and Equipment Useful Life

Property and equipment is stated at historical cost less accumulated depreciation. Depreciation and amortization are computed using the straight-line method over the following estimated useful lives:

Laboratory equipment	4-8 years
Software, office and computer equipment	3 years
Leasehold improvements, furniture, fixtures and fittings	5-10 years

The principal categories of property and equipment, net at December 31, 2018 and 2017, respectively, are as follows:

Property and Equipment, net:	2018			2017
Laboratory equipment	$	8,864		$	10,135
Software, office and computer equipment	2,487			3,115
Furniture, fixtures and fittings	3,715			4,779
Less - accumulated depreciation	(13,155		)	(15,028		)
Total	$	1,911		$	3,001