Cover - USD ($)	12 Months Ended
	Mar. 31, 2024	Jun. 26, 2024	Sep. 30, 2023
Document Information [Line Items]
Document Type	10-K
Document Annual Report	true
Document Transition Report	false
Document Financial Statement Error Correction [Flag]	false
Entity Interactive Data Current	Yes
ICFR Auditor Attestation Flag	false
Amendment Flag	false
Document Period End Date	Mar. 31, 2024
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	FY
Entity Information [Line Items]
Entity Registrant Name	TEL-INSTRUMENT ELECTRONICS CORP.
Entity Central Index Key	0000096885
Entity File Number	001-31990
Entity Tax Identification Number	22-1441806
Entity Incorporation, State or Country Code	NJ
Current Fiscal Year End Date	--03-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Shell Company	false
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Public Float			$ 3,586,188
Entity Contact Personnel [Line Items]
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
Entity Phone Fax Numbers [Line Items]
City Area Code	(201)
Local Phone Number	933-1600
Entity Listings [Line Items]
No Trading Symbol Flag	true
Title of 12(g) Security	Common Stock $.10 par value
Entity Common Stock, Shares Outstanding		3,255,887