Document And Entity Information - shares	3 Months Ended
	Mar. 31, 2023	Apr. 30, 2023
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2023
Document Transition Report	false
Entity File Number	1-9330
Entity Registrant Name	CORECARD CORPORATION
Entity Incorporation, State or Country Code	GA
Entity Tax Identification Number	58-1964787
Entity Address, Address Line One	One Meca Way
Entity Address, City or Town	Norcross
Entity Address, State or Province	GA
Entity Address, Postal Zip Code	30093
City Area Code	770
Local Phone Number	381-2900
Title of 12(b) Security	Common Stock, $0.01 par value for the class
Trading Symbol	CCRD
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding (in shares)		8,502,735
Entity Central Index Key	0000320340
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q1
Amendment Flag	false