Property and Equipment, Net (Details) - USD ($)	Sep. 30, 2018	Dec. 31, 2017
Property and Equipment, Net
Property and Equipment, gross	$ 4,743,000	$ 3,730,000
Less: Accumulated depreciation and amortization	(2,117,000)	(1,549,000)
Total property and equipment, net	2,626,000	2,181,000
Capital lease cost basis	44,000	0
Laboratory equipment
Property and Equipment, Net
Property and Equipment, gross	2,858,000	2,074,000
Furniture & fixtures
Property and Equipment, Net
Property and Equipment, gross	219,000	151,000
Machinery & equipment
Property and Equipment, Net
Property and Equipment, gross	75,000	7,000
Leasehold improvements
Property and Equipment, Net
Property and Equipment, gross	1,511,000	$ 1,498,000
Construction in progress
Property and Equipment, Net
Property and Equipment, gross	$ 80,000

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation of leased physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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