Note 1A - Restatement of Previously Issued Consolidated Financial Statements - Effect of Correction of Error (Details) - USD ($)	3 Months Ended			9 Months Ended
	Dec. 31, 2015		Dec. 31, 2014	Dec. 31, 2015		Dec. 31, 2014	Mar. 31, 2015	[1]	Mar. 31, 2014
Retained earnings	$ 30,191,545			$ 30,191,545			$ 24,407,915
Accumulated other comprehensive loss	(37,743)			(37,743)			(134,913)
Total Air T, Inc. stockholders' equity	35,683,451			35,683,451			29,795,223
Non-controlling interests	1,427,550			1,427,550
Total equity	37,111,001		$ 31,050,297	37,111,001		$ 31,050,297	29,795,223		$ 27,360,057
Total liabilities and equity	49,757,287			49,757,287			$ 43,456,382
Net Loss Attributable to Non-controlling Interests	279,510			279,510
Net income attributable to Air T, Inc. stockholders	$ 2,725,710	[2]	$ 1,448,453	$ 5,783,630	[2]	$ 3,339,551
Basic (in dollars per share)	$ 1.15	[2]	$ 0.61	$ 2.44	[2]	$ 1.42
Diluted (in dollars per share)	$ 1.14	[2]	$ 0.61	$ 2.41	[2]	$ 1.41
Comprehensive loss attributable to the non-controlling interests	$ 285,450			$ 285,450
Comprehensive income attributable to Air T, Inc. stockholders	3,377,396		1,878,880	5,880,800		3,687,268
Scenario, Previously Reported [Member]
Retained earnings	30,437,175			30,437,175
Accumulated other comprehensive loss	(32,683)			(32,683)
Total Air T, Inc. stockholders' equity	35,934,141			35,934,141
Non-controlling interests	1,176,860			1,176,860
Total equity	37,111,001			37,111,001
Total liabilities and equity	49,757,287			49,757,287
Net Loss Attributable to Non-controlling Interests	525,140			525,140
Net income attributable to Air T, Inc. stockholders	$ 2,971,340	[2]	$ 1,448,453	$ 6,029,260	[2]	$ 3,339,551
Basic (in dollars per share)	$ 1.25	[2]	$ 0.61	$ 2.54	[2]	$ 1.42
Diluted (in dollars per share)	$ 1.24	[2]	$ 0.61	$ 2.52	[2]	$ 1.41
Comprehensive loss attributable to the non-controlling interests	$ 536,140			$ 536,140
Comprehensive income attributable to Air T, Inc. stockholders	$ 3,628,086			$ 6,131,490

[1] Derived from audited consolidated financial statements

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