Cover - USD ($)	12 Months Ended
	Dec. 31, 2021	Mar. 07, 2022	Jun. 30, 2021
Cover [Abstract]
Entity Registrant Name	BK TECHNOLOGIES CORPORATION
Entity Central Index Key	0000002186
Document Type	10-K
Amendment Flag	false
Entity Voluntary Filers	No
Current Fiscal Year End Date	--12-31
Entity Well Known Seasoned Issuer	No
Entity Small Business	true
Entity Shell Company	false
Entity Emerging Growth Company	false
Entity Current Reporting Status	Yes
Document Period End Date	Dec. 31, 2021
Entity Filer Category	Non-accelerated Filer
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2021
Entity Common Stock Shares Outstanding		16,848,599
Entity Public Float			$ 37,396,120
Document Annual Report	true
Document Transition Report	false
Entity Interactive Data Current	Yes
Entity File Number	001-32644
Entity Incorporation State Country Code	NV
Icfr Auditor Attestation Flag	false
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
Security 12b Title	Common Stock, par value $.60
Trading Symbol	BKTI
Security Exchange Name	NYSE
City Area Code	321
Local Phone Number	984-1414
Auditor Name	MSL, P.A.
Auditor Location	Orlando, Florida
Auditor Firm Id	569