| Cover | Aug. 05, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Aug. 5, 2021 |
| 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 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, $0.001 par value |
| Trading Symbol | WFCF |
| Entity Information, Former Legal or Registered Name | Not applicable |
