| Document and Entity Information | May 23, 2024 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | May 23, 2024 |
| Entity File Number | 1-8601 |
| Entity Registrant Name | CreditRiskMonitor.com, Inc. |
| Entity Central Index Key | 0000315958 |
| Entity Incorporation, State or Country Code | NV |
| Entity Tax Identification Number | 36-2972588 |
| Entity Address, Address Line One | 704 Executive Boulevard |
| Entity Address, City or Town | Valley Cottage |
| Entity Address, State or Province | NY |
| Entity Address, Postal Zip Code | 10989 |
| City Area Code | 845 |
| Local Phone Number | 230-3000 |
| Title of 12(b) Security | Common Stock, par value $.01 |
| Trading Symbol | CRMZ |
| Security Exchange Name | NONE |
| Entity Emerging Growth Company | false |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
