Selected Balance Sheet Accounts (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Property and Equipment
Computer software and hardware	$ 11,448	$ 11,393
Capitalized internal use software	6,228	6,228
Furniture and equipment	1,743	1,743
Leasehold improvements	1,613	1,613
Property and equipment, gross	21,032	20,977
Less - Accumulated depreciation and amortization	(18,223)	(17,796)
Property and equipment, net	$ 2,809	$ 3,181

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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 amortization of capitalized costs for computer software, including but not limited to, acquired and internally developed computer software.

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Amount before accumulated depreciation of equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Examples include, but are not limited to, desks, chairs, tables, and bookcases.

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Amount before accumulated depreciation of additions or improvements to assets held under a lease arrangement.

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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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