Net Earnings (Loss) Per Share - Narrative (Details)	3 Months Ended	6 Months Ended
Sep. 30, 2022 shares	Sep. 30, 2022 $ / shares shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Exercises of stock options (in shares)	3,000
Unexpired options outstanding (in shares)	7,500	7,500
Air T's 2012 Stock Option Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Exercises of stock options (in shares)	3,750
Options exercised price (in dollars per share) \| $ / shares		$ 5.75

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