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Cover - USD ($)
 12 Months Ended
Dec. 31, 2021
Feb. 25, 2022
Jun. 30, 2021
Cover [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Annual Report true    
Document Transition Report false    
Document Period End Date Dec. 31, 2021    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2021    
Current Fiscal Year End Date --12-31    
Entity File Number 001-40314    
Entity Registrant Name WHERE FOOD COMES FROM, INC.    
Entity Central Index Key 0001360565    
Entity Tax Identification Number 43-1802805    
Entity Incorporation, State or Country Code CO    
Entity Address, Address Line One 202 6th Street    
Entity Address, Address Line Two Suite 400    
Entity Address, City or Town Castle Rock    
Entity Address, State or Province CO    
Entity Address, Postal Zip Code 80104    
City Area Code 303    
Local Phone Number 895-3002    
Title of 12(b) Security Common Stock, $0.001 par value    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
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 Public Float     $ 43,935,063
Entity Common Stock, Shares Outstanding   5,948,607  
Documents Incorporated by Reference Part III is incorporated by reference from the registrant’s Definitive Proxy Statement for its 2021 Annual Meeting of Shareholders to be filed, pursuant to Regulation 14A, within 120 days after the close of the registrant’s 2021 fiscal year.    
ICFR Auditor Attestation Flag false    
Auditor Firm ID 647    
Auditor Name Causey Demgen & Moore, P.C.    
Auditor Location Denver, Colorado