Balance Sheet Components (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Property and equipment
Accumulated depreciation	$ (7,395)	$ (6,462)
Net property and equipment	4,152	4,454
Leasehold improvements
Property and equipment
Property and equipment cost	5,517	4,714
Furniture and fixtures
Property and equipment
Property and equipment cost	2,906	2,716
Computer hardware and office equipment
Property and equipment
Property and equipment cost	3,118	2,996
Construction in progress
Property and equipment
Property and equipment cost	$ 6	$ 490

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