Note 1A - Restatement of Previously Issued Consolidated Financial Statements - Effect of Correction of Error (Details) - USD ($)	3 Months Ended		9 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015		Mar. 31, 2016		Mar. 31, 2015
Basic (in dollars per share)	$ 0.60	$ 1.15	$ (1.60)	$ 2.44	[1]
Diluted (in dollars per share)	$ 0.60	$ 1.14	$ (1.60)	$ 2.41	[1]
Comprehensive (Income) Loss Attributable to Non-controlling Interests	$ (386,177)	$ 285,450	$ 1,918,700	$ 285,450
Comprehensive income (loss) attributable to Air T, Inc. stockholders	1,183,022	3,377,396	(3,302,301)	5,880,800
Additional paid-in capital	4,268,536		4,268,536			$ 4,956,171	[2]
Retained earnings	18,227,554		18,227,554			28,821,825	[2]
Accumulated other comprehensive income (loss), net	4,513		4,513			(140,519)	[2]
Total Air T, Inc. stockholders' equity	23,011,299		23,011,299			34,230,608	[2]
Non-controlling interests	(932,634)		(932,634)			1,040,922	[2]
Total equity	22,078,665	37,111,001	22,078,665	37,111,001		35,271,530	[2],[3]	$ 29,795,223
Total liabilities and equity	62,028,049		62,028,049			52,154,752	[2]
Net (Income) Loss Attributable to Non-controlling Interests	(445,255)	279,510	1,796,942	279,510
Net income (loss) attributable to Air T, Inc. stockholders	$ 1,220,037	$ 2,725,710	$ (3,447,332)	$ 5,783,630	[1]
Scenario, Previously Reported [Member]
Basic (in dollars per share)	$ 0.42	$ 1.25	$ (0.81)	$ 2.54	[1]
Diluted (in dollars per share)	$ 0.42	$ 1.24	$ (0.81)	$ 2.52	[1]
Comprehensive (Income) Loss Attributable to Non-controlling Interests	$ (698,198)		$ 3,721,380
Comprehensive income (loss) attributable to Air T, Inc. stockholders	871,001		(1,499,619)
Additional paid-in capital	4,260,030		4,260,030			4,947,665
Retained earnings	20,452,393		20,452,393			29,350,980
Accumulated other comprehensive income (loss), net	134,130		134,130			(117,898)
Total Air T, Inc. stockholders' equity	25,357,249		25,357,249			34,773,878
Non-controlling interests	(3,278,584)		(3,278,584)			497,652
Total equity	22,078,665		22,078,665			35,271,530
Total liabilities and equity	62,028,049		62,028,049			$ 52,154,752
Net (Income) Loss Attributable to Non-controlling Interests	(809,187)		3,492,626
Net income (loss) attributable to Air T, Inc. stockholders	$ 856,105	$ 2,971,340	$ (1,751,648)	$ 6,029,260	[1]

[1] Earnings per common share have been restated for the three and nine-month periods ended December 31, 2016 and 2015. See Note 1A.

[2] Derived from audited consolidated financial statements

[3] Excludes income attributable to redeemable non-controlling interest in Contrail Aviation