| Cover | Jan. 13, 2022 |
| Cover [Abstract] | |
| Entity Registrant Name | Solitron Devices, Inc. |
| Entity Central Index Key | 0000091668 |
| Document Type | 8-K |
| Amendment Flag | false |
| Entity Emerging Growth Company | false |
| Document Period End Date | Jan. 13, 2022 |
| Entity File Number | 001-04978 |
| Entity Incorporation State Country Code | DE |
| Entity Tax Identification Number | 22-1684144 |
| Entity Address Address Line 1 | 3301 Electronics Way |
| Entity Address City Or Town | West Palm Beach |
| Entity Address State Or Province | FL |
| Entity Address Postal Zip Code | 33407 |
| City Area Code | 561 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Local Phone Number | 848-4311 |
