Property and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 9,632	$ 9,118
Accumulated Depreciation and Amortization	(3,974)	(3,724)
Total	5,658	5,394
Leasehold Improvements
Property Plant And Equipment [Line Items]
Property and equipment, gross	6,912	6,832
Furniture and Fixtures
Property Plant And Equipment [Line Items]
Property and equipment, gross	1,557	1,191
Computer Hardware
Property Plant And Equipment [Line Items]
Property and equipment, gross	583	530
Computer Software
Property Plant And Equipment [Line Items]
Property and equipment, gross	370	370
Office Equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 210	$ 195

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, 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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