Condensed Consolidated Statements of Income (Unaudited) - USD ($)	3 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Operating Revenues:
Operating Revenues	$ 60,867,469	$ 47,697,373
Operating Expenses:
Overnight air cargo	15,174,396	14,562,143
Ground equipment sales	4,937,312	4,754,215
Ground support services	7,805,209	7,418,393
Printing equipment and maintenance	145,528	1,501,056
Commercial jet engines and parts	20,121,118	10,069,850
Research and development		195,653
General and administrative	8,584,803	6,584,668
Depreciation, amortization and impairment	1,495,401	398,827
	58,263,767	45,484,805
Operating Income	2,603,702	2,212,568
Non-operating Income (Expense):
Foreign currency gain (loss), net	(2,182)	(188,624)
Other-than-temporary impairment loss on investments		(771,173)
Other investment income (loss), net	(315,507)	30,651
Interest expense and other	(707,199)	(149,519)
Unrealized gain on interest rate swap	97,337
Bargain purchase acquisition gain, net of tax	1,983,777	501,880
Equity in income (loss) of associated company	9,183	(31,903)
	1,065,409	(608,688)
Income Before Income Taxes	3,669,111	1,603,880
Income Taxes	387,000	374,000
Net Income	3,282,111	1,229,880
Interests	(453,417)	(261,491)
Net Income Attributable to Air T, Inc. Stockholders	$ 2,828,694	$ 968,389
Income Per Share:
Basic (in dollars per share)	$ 1.38	$ 0.47
Diluted (in dollars per share)	$ 1.38	$ 0.47
Weighted Average Shares Outstanding:
Basic (in shares)	2,043,607	2,042,789
Diluted (in shares)	2,049,698	2,047,623
Overnight Air Cargo [Member]
Operating Revenues:
Operating Revenues	$ 17,640,658	$ 16,742,175
Ground Equipment Sales [Member]
Operating Revenues:
Operating Revenues	6,384,781	5,949,656
Ground Support Services [Member]
Operating Revenues:
Operating Revenues	9,047,640	9,113,073
Printing Equipment and Maintenance [Member]
Operating Revenues:
Operating Revenues	298,823	3,131,381
Commercial Jet Engines Inventory [Member]
Operating Revenues:
Operating Revenues	27,320,175	12,725,341
Corporate Segment [Member]
Operating Revenues:
Operating Revenues	$ 175,392	$ 35,747