Insider Trading Arrangements shares in Thousands	3 Months Ended	6 Months Ended
Sep. 30, 2024 shares	Sep. 30, 2024 shares
Insider Trading Arr Line Items
Material Terms of Trading Arrangement [Text Block]		Item 5. Other Information The following of our directors or officers entered into written plans for the purchase or sale of our securities intended to satisfy the affirmative defense conditions of Exchange Act Rule 10b5-1(c) (each, a "trading arrangement") on the dates indicated: Chief Executive Officer Gary Owens entered into a trading arrangement on September 12, 2024. The trading arrangement is effective through June 10, 2025, and contemplates that Mr. Owens may exercise 30,939 non-qualified stock options and sell the resulting 30,939 shares of Mesa Labs' common stock, subject to certain conditions.
Trading Arrangement, Securities Aggregate Available Amount	30,939	30,939
Trading Arrangement, Individual Title	Chief Executive Officer
Trading Arrangement, Individual Name	Gary Owens
Trading Arrangement Adoption Date	September 12, 2024
Rule 10b5-1 Arrangement Adopted [Flag]	true
Rule 10b5-1 Arrangement Terminated [Flag]	false
Non-Rule 10b5-1 Arrangement Adopted [Flag]	false
Non-Rule 10b5-1 Arrangement Terminated [Flag]	false

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-K
-Number 229
-Section 408
-Subsection a

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