Condensed Consolidated Statements of Income (Loss) (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Operating Revenues:
Operating Revenues	$ 49,340,777	$ 48,861,490	$ 110,208,246	$ 96,558,863
Operating Expenses:
Overnight air cargo	15,349,754	15,919,557	30,524,150	30,481,700
Ground equipment sales	10,979,913	13,273,845	15,917,225	18,028,060
Ground support services	8,022,462	6,982,270	15,827,671	14,400,663
Printing equipment and maintenance	48,903	1,082,751	194,431	2,583,807
Commercial jet engines and parts	5,662,788	3,321,385	25,783,906	13,391,235
Research and development				195,653
General and administrative	9,070,053	7,276,486	17,654,856	13,861,154
Depreciation, amortization and impairment	1,826,905	529,538	3,322,306	928,365
	50,960,778	48,385,832	109,224,545	93,870,637
Operating Income (Loss)	(1,620,001)	475,658	983,701	2,688,226
Non-operating Income (Expense):
Foreign currency gain (loss), net	50	(60,482)	(2,132)	(249,106)
Other-than-temporary impairment loss on investments				(771,173)
Other investment income (loss), net	277,923	42,150	(37,584)	72,801
Interest expense	(714,091)	(322,199)	(1,421,290)	(471,718)
Gain on asset retirement obligation		562,500		562,500
Unrealized gain on interest rate swap	47,885		145,222
Bargain purchase acquisition gain			1,983,777	501,880
Income from equity method investments	160,558	61,840	169,741	29,937
Other income, net	27,686		27,686
	(199,989)	283,809	865,420	(324,879)
Income (Loss) Before Income Taxes	(1,819,990)	759,467	1,849,121	2,363,347
Income Taxes (Benefit)	(393,000)	281,000	(6,000)	655,000
Net Income (Loss)	(1,426,990)	478,467	1,855,121	1,708,347
Net (Income) Loss Attributable to Non-controlling Interests	105,805	(56,766)	(347,612)	(318,257)
Net Income (Loss) Attributable to Air T, Inc. Stockholders	$ (1,321,185)	$ 421,701	$ 1,507,509	$ 1,390,090
Income (Loss) Per Share:
Basic (in dollars per share)	$ (0.65)	$ 0.21	$ 0.74	$ 0.68
Diluted (in dollars per share)	$ (0.65)	$ 0.21	$ 0.74	$ 0.68
Weighted Average Shares Outstanding:
Basic (in shares)	2,043,823	2,042,789	2,043,716	2,042,789
Diluted (in shares)	2,043,823	2,046,945	2,049,393	2,047,305
Overnight Air Cargo [Member]
Operating Revenues:
Operating Revenues	$ 17,064,600	$ 18,081,073	$ 34,705,258	$ 34,823,248
Ground Equipment Sales [Member]
Operating Revenues:
Operating Revenues	12,838,796	15,516,109	19,223,577	21,465,765
Ground Support Services [Member]
Operating Revenues:
Operating Revenues	8,474,037	8,801,326	17,521,677	17,914,399
Printing Equipment and Maintenance [Member]
Operating Revenues:
Operating Revenues	139,945	1,302,922	438,768	4,434,303
Commercial Jet Engines Inventory [Member]
Operating Revenues:
Operating Revenues	10,642,791	5,125,244	37,962,966	17,850,585
Corporate Segment [Member]
Operating Revenues:
Operating Revenues	$ 180,608	$ 34,816	$ 356,000	$ 70,563