Note 5 - Net Earnings Per Share - Earnings Per Common Share (Details) - USD ($)	3 Months Ended		6 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Net loss attributable to Air T, Inc. Stockholders	$ 1,068,549	$ 3,793,960	$ (2,607,753)	$ 3,057,920
Earnings (Loss) Per Share:
Basic (in dollars per share)	$ 0.52	$ 1.60	$ (1.18)	$ 1.29
Diluted (in dollars per share)	$ 0.52	$ 1.58	$ (1.18)	$ 1.28
Weighted Average Shares Outstanding:
Basic (in shares)	2,042,789	2,372,527	2,207,658	2,372,527
Diluted (in shares)	2,047,976	2,397,163	2,207,658	2,396,460