Property and Equipment Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Jan. 01, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 3,116		$ 3,354
Less accumulated depreciation and amortization	(2,520)		(2,809)
Total property, plant & equipment, net	596	$ 669	545
Computer, network equipment and furniture
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	2,381		2,565
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 735		$ 789