Note 4 - Net Earnings Per Share (As Restated) - Earnings Per Common Share - Earnings Per Common Share (Details) - USD ($)	3 Months Ended			9 Months Ended
	Dec. 31, 2015	[1]	Dec. 31, 2014	Dec. 31, 2015	[1]	Dec. 31, 2014
Net Income Attributable to Air T, Inc. Stockholders	$ 2,725,710		$ 1,448,453	$ 5,783,630		$ 3,339,551
Earnings Per Share:
Basic (in dollars per share)	$ 1.15		$ 0.61	$ 2.44		$ 1.42
Diluted (in dollars per share)	$ 1.14		$ 0.61	$ 2.41		$ 1.41
Weighted Average Shares Outstanding:
Basic (in shares)	2,372,527		2,357,637	2,372,527		2,355,901
Diluted (in shares)	2,396,999		2,381,214	2,396,645		2,373,500
Scenario, Previously Reported [Member]
Net Income Attributable to Air T, Inc. Stockholders	$ 2,971,340		$ 1,448,453	$ 6,029,260		$ 3,339,551
Earnings Per Share:
Basic (in dollars per share)	$ 1.25		$ 0.61	$ 2.54		$ 1.42
Diluted (in dollars per share)	$ 1.24		$ 0.61	$ 2.52		$ 1.41

[1] Earnings per common share have been restated for the three and nine-month periods ended December 31, 2015. See Note 1A.