Cover - shares	6 Months Ended
	Jun. 30, 2021	Aug. 06, 2021
Cover [Abstract]
Entity Registrant Name	BK TECHNOLOGIES CORPORATION
Entity Central Index Key	0000002186
Document Type	10-Q
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Small Business	true
Entity Shell Company	false
Entity Emerging Growth Company	false
Entity Current Reporting Status	Yes
Document Period End Date	Jun. 30, 2021
Entity Filer Category	Non-accelerated Filer
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2021
Entity Common Stock Shares Outstanding		16,785,721
Document Quarterly Report	true
Document Transition Report	false
Entity Interactive Data Current	Yes
Entity File Number	001-32644
Entity Incorporation State Country Code	NV
Entity Tax Identification Number	83-4064262
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
Security 12b Title	Common Stock, par value $.60 per share
Trading Symbol	BKTI
Security Exchange Name	NYSEAMER