| Cover | Mar. 12, 2024 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Mar. 12, 2024 |
| Entity File Number | 0-5109 |
| Entity Registrant Name | Micropac Industries, Inc. |
| Entity Central Index Key | 0000065759 |
| Entity Tax Identification Number | 75-1225149 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 905 East Walnut Street |
| Entity Address, City or Town | Garland |
| Entity Address, State or Province | TX |
| Entity Address, Postal Zip Code | 75040 |
| City Area Code | (972) |
| Local Phone Number | 272-3571 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common stock, par value $0.10 per share |
| Trading Symbol | MPAD |
| Entity Emerging Growth Company | false |
