Cover Page - USD ($)	12 Months Ended
	Mar. 31, 2020	May 31, 2020	Sep. 27, 2019
Document Information [Line Items]
Document Annual Report	true
Document Type	10-K
Document Period End Date	Mar. 31, 2020
Document Transition Report	false
Entity File Number	001-35476
Entity Registrant Name	Air T, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	52-1206400
Entity Address, Address Line One	5930 Balsom Ridge Road
Entity Address, City or Town	Denver
Entity Address, State or Province	NC
Entity Address, Postal Zip Code	28037
City Area Code	828
Local Phone Number	464 – 8741
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 21,200,000
Entity Common Stock, Shares Outstanding (in shares)		2,881,853
Entity Central Index Key	0000353184
Current Fiscal Year End Date	--03-31
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	FY
Amendment Flag	false
Common Stock
Document Information [Line Items]
Title of 12(b) Security	Common Stock
Trading Symbol	AIRT
Security Exchange Name	NASDAQ
Alpha Income Preferred Securities
Document Information [Line Items]
Title of 12(b) Security	Alpha Income Preferred Securities (also referred to as 8% cumulative Capital Securities) ("AIP")*
Trading Symbol	AIRTP
Security Exchange Name	NASDAQ
Warrant
Document Information [Line Items]
Title of 12(b) Security	Warrant Purchase AIP*
Trading Symbol	AIRTW
Security Exchange Name	NASDAQ