Note 13 - Subsequent Event	6 Months Ended
Sep. 30, 2021
Notes to Financial Statements
Subsequent Events [Text Block]	Note 13. Subsequent Event As disclosed in our Form 8-K filed on October 29, 2021, the Compensation Committee of Mesa's Board of Directors granted a special long-term equity award (the “Special Award”) to Gary Owens, Chief Executive Officer and Member of the Board of Directors on October 28, 2021. The Special Award consists of an award of performance stock units covering a target of 40,000 shares (“PSUs”) that is subject to both performance and service conditions. The performance period of the award is the three-year period from April 1, 2021 through March 31, 2024 and the service period is the period commencing October 28, 2021 and ending on October 27, 2024, October 27, 2025, and October 27, 2026 on which dates eligible PSUs will vest and be distributed to Mr. Owens.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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