Selected Balance Sheet Information - Schedule of Property and equipment, net (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Property and equipment, net
Property, Plant and Equipment, Gross Total	$ 1,097	$ 932
Less: accumulated depreciation and amortization	(835)	(831)
Total	262	101
Computers and office equipment
Property and equipment, net
Property, Plant and Equipment, Gross Total	802	827
Other Property, Plant and Equipment
Property and equipment, net
Property, Plant and Equipment, Gross Total	190
Leasehold improvements
Property and equipment, net
Property, Plant and Equipment, Gross Total	94	94
Software
Property and equipment, net
Property, Plant and Equipment, Gross Total	$ 11	$ 11

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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