Document and Entity Information
Document and Entity Information | Aug. 05, 2021 |
Cover [Abstract] | |
Entity Registrant Name | ZIX CORP |
Amendment Flag | false |
Entity Central Index Key | 0000855612 |
Document Type | 8-K |
Document Period End Date | Aug. 5, 2021 |
Entity Incorporation State Country Code | TX |
Entity File Number | 0-17995 |
Entity Tax Identification Number | 75-2216818 |
Entity Address, Address Line One | 2711 North Haskell Avenue |
Entity Address, Address Line Two | Suite 2300 |
Entity Address, Address Line Three | LB 36 |
Entity Address, City or Town | Dallas |
Entity Address, State or Province | TX |
Entity Address, Postal Zip Code | 75204-2960 |
City Area Code | (214) |
Local Phone Number | 370-2000 |
Written Communications | false |
Soliciting Material | false |
Pre Commencement Tender Offer | false |
Pre Commencement Issuer Tender Offer | false |
Entity Emerging Growth Company | false |
Security 12b Title | Common Stock, par value $0.01 per share |
Trading Symbol | ZIXI |
Security Exchange Name | NASDAQ |