| Cover | Aug. 12, 2021 |
| Cover [Abstract] | |
| Entity Registrant Name | BK Technologies Corporation |
| Entity Central Index Key | 0000002186 |
| Document Type | 8-K |
| Amendment Flag | false |
| Entity Emerging Growth Company | false |
| Document Period End Date | Aug. 12, 2021 |
| Entity File Number | 001-32644 |
| Entity Tax Identification Number | 83-4064262 |
| Entity Incorporation State Country Code | NV |
| Entity Address Address Line 1 | 7100 Technology Drive |
| Entity Address City Or Town | West Melbourne |
| Entity Address State Or Province | FL |
| Entity Address Postal Zip Code | 32904 |
| City Area Code | 321 |
| Local Phone Number | 984-1414 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Common Stock, par value $.60 per share |
| Trading Symbol | BKTI |
| Security Exchange Name | NYSE |
