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Note 14 - Air T, Inc. Stockholders' Equity (Details Textual) - USD ($) |  | 12 Months Ended |  |
--- | --- | --- | --- | ---
Jul. 01, 2016 | Mar. 31, 2017 | Mar. 31, 2016 | May 14, 2014
Common Stock, Shares Authorized |  | 4,000,000 | 4,000,000 |
Common Stock, Par or Stated Value Per Share |  | $ 0.25 | $ 0.25 |
Stock Repurchase Program, Number of Shares Authorized to be Repurchased |  |  |  | 750,000
Preferred Stock, Shares Authorized |  | 50,000 | 50,000 |
Preferred Stock, Par or Stated Value Per Share |  | $ 1 | $ 1 |
Stock Repurchased and Retired During Period, Value |  | $ 7,917,009 |  |
Securities Purchase Agreement [Member] | Biglari Group [Member] |  |  |  |
Common Stock, Par or Stated Value Per Share | $ 0.25 |  |  |
Stock Repurchased and Retired During Period, Shares | 329,738 |  |  |
Treasury Stock Acquired, Average Cost Per Share | $ 24.01 |  |  |
Stock Repurchased and Retired During Period, Value | $ 7,917,009 |  |  |
Series A Preferred Stock [Member] |  |  |  |
Preferred Stock, Shares Authorized |  | 5,000 |  |
Series B Preferred Stock [Member] |  |  |  |
Preferred Stock, Shares Authorized |  | 5,000 |  |
Preferred Stock, Capital Shares Reserved for Future Issuance |  | 3,000 |  |

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- Definition Face amount or stated value per share of common stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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