Note 4 - Net Earnings Per Share - Earnings Per Common Share (Details) - USD ($)	3 Months Ended		9 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Net earnings (loss) attributable to Air T, Inc. Stockholders	$ 856,105	$ 2,971,340	$ (1,751,648)	$ 6,029,260
Earnings (Loss) Per Share:
Basic (in dollars per share)	$ 0.42	$ 1.25	$ (0.81)	$ 2.54
Diluted (in dollars per share)	$ 0.42	$ 1.24	$ (0.81)	$ 2.52
Weighted Average Shares Outstanding:
Basic (in shares)	2,042,789	2,372,527	2,152,301	2,372,527
Diluted (in shares)	2,047,637	2,396,999	2,152,301	2,396,645