Cover	Dec. 08, 2021
Cover [Abstract]
Entity Registrant Name	Crexendo, Inc.
Entity Central Index Key	0001075736
Document Type	8-K
Amendment Flag	false
Entity Emerging Growth Company	false
Document Period End Date	Dec. 08, 2021
Written Communications	false
Soliciting Material	false
Pre Commencement Tender Offer	false
Pre Commencement Issuer Tender Offer	false
Entity Incorporation State Country Code	NV
Entity File Number	001-32277
Entity Tax Identification Number	87-0591719
Entity Address Address Line 1	1615 S. 52nd Street
Entity Address City Or Town	Tempe
Entity Address State Or Province	AZ
Entity Address Postal Zip Code	85281
City Area Code	602
Local Phone Number	714-8500