Property and Equipment - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Property and Equipment
Property and equipment, gross	$ 55,966	$ 54,219
Less accumulated depreciation	(42,164)	(40,422)
Property and equipment, net	13,802	13,797
Computer and other related equipment
Property and Equipment
Property and equipment, gross	11,576	11,333
Purchased and internally developed software
Property and Equipment
Property and equipment, gross	35,512	34,008
Furniture and fixtures
Property and Equipment
Property and equipment, gross	1,514	1,514
Leasehold improvements
Property and Equipment
Property and equipment, gross	6,795	6,795
Machinery and related equipment
Property and Equipment
Property and equipment, gross	$ 569	$ 569

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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