Document and Entity Information

Document and Entity InformationSep. 22, 2021
Cover [Abstract]
Document Type8-K
Amendment Flagfalse
Document Period End DateSep. 22,
Entity Registrant Inc.
Entity Incorporation, State or Country CodeDE
Entity File Number000-26427
Entity Tax Identification Number77-0454966
Entity Address, Address Line One1990 E. Grand Avenue
Entity Address, City or TownEl Segundo
Entity Address, State or ProvinceCA
Entity Address, Postal Zip Code90245
City Area Code972
Local Phone Number265-6227
Written Communicationsfalse
Soliciting Materialfalse
Pre-commencement Tender Offerfalse
Pre-commencement Issuer Tender Offerfalse
Entity Emerging Growth Companyfalse
Entity Central Index Key0001082923
Title of 12(b) SecurityCommon Stock, par value $0.001 per share
Trading SymbolSTMP
Security Exchange NameNASDAQ