Document And Entity Information - USD ($)	12 Months Ended
	Mar. 31, 2022	Jun. 16, 2022	Sep. 30, 2021
Document Information Line Items
Entity Registrant Name	TEL-INSTRUMENT ELECTRONICS CORP.
Document Type	10-K
Current Fiscal Year End Date	--03-31
Entity Common Stock, Shares Outstanding		3,255,887
Entity Public Float			$ 2,324,023
Amendment Flag	false
Entity Central Index Key	0000096885
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Non-accelerated Filer
Entity Well-known Seasoned Issuer	No
Document Period End Date	Mar. 31, 2022
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	FY
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
ICFR Auditor Attestation Flag	false
Document Annual Report	true
Entity File Number	001-31990
Entity Incorporation, State or Country Code	NJ
Entity Tax Identification Number	22-1441806
Entity Address, Address Line One	One Branca Road
Entity Address, City or Town	East Rutherford
Entity Address, State or Province	NJ
Entity Address, Postal Zip Code	07073
City Area Code	(201)
Local Phone Number	933-1600
No Trading Symbol Flag	true
Security Exchange Name	NONE
Title of 12(g) Security	Common Stock $.10 par value
Entity Interactive Data Current	Yes
Auditor Firm ID	711
Auditor Name	Friedman LLP
Auditor Location	Marlton, New Jersey
Document Transition Report	false