Document And Entity Information - shares |
6 Months Ended | |
|---|---|---|
Sep. 30, 2020 |
Oct. 16, 2020 |
|
| Document Information [Line Items] | ||
| Entity Registrant Name | NVE CORP /NEW/ | |
| Entity Central Index Key | 0000724910 | |
| Trading Symbol | nvec | |
| Current Fiscal Year End Date | --03-31 | |
| Entity Filer Category | Non-accelerated Filer | |
| Entity Current Reporting Status | Yes | |
| Entity Emerging Growth Company | false | |
| Entity Small Business | true | |
| Entity Interactive Data Current | Yes | |
| Entity Common Stock, Shares Outstanding (in shares) | 4,833,232 | |
| Entity Shell Company | false | |
| Document Type | 10-Q | |
| Document Period End Date | Sep. 30, 2020 | |
| Document Fiscal Year Focus | 2021 | |
| Document Fiscal Period Focus | Q2 | |
| Amendment Flag | false | |
| Title of 12(b) Security | Common stock, $0.01 par value |