Note 4 - Net Earnings Per Share - Earnings Per Common Share (Details) - USD ($)	3 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Net Income (Loss) Attributable to Air T, Inc. Stockholders	$ 968,389	$ (5,751,471)
Income (Loss) Per Share:
Basic (in dollars per share)	$ 0.47	$ (2.42)
Diluted (in dollars per share)	$ 0.47	$ (2.42)
Weighted Average Shares Outstanding:
Basic (in shares)	2,042,789	2,372,527
Diluted (in shares)	2,047,623	2,372,527