Note 10 - Business Combinations - Pro Forma Information (Details) - Worthington Aviation Parts, Inc [Member] - USD ($)	12 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Revenue	$ 251,278,349	$ 209,706,935
Earnings before taxes	7,881,644	3,594,265
Net income (loss) attributable to Air T, Inc. stockholders	$ (766,674)	$ 3,734,452
Basic income (loss) per share (in dollars per share)	$ (0.38)	$ 1.83
Dilutive income (loss) per share (in dollars per share)	$ (0.38)	$ 1.82

The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(3)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

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Amount after tax of pro forma income from continuing operations as if the business combination had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

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