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Amount of other increase (decrease) in additional paid in capital (APIC).

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Amount of expense for employee benefit and equity-based compensation.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Amount of cost to be recognized for option under share-based payment arrangement.

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The cash outflow to reacquire common stock during the period.

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Number of additional shares authorized for issuance under share-based payment arrangement.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Price of a single share of a number of saleable stocks of a company.

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Number of new stock issued during the period.

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Number of shares of stock issued attributable to transactions classified as other.

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Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.

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Name:	us-gaap_TypeOfArrangementAxis=XAIR_PurchaseAgreementMember
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Data Type:	na
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Period Type:

STOCKHOLDERS’ EQUITY (Details Narrative) - USD ($)			3 Months Ended
STOCKHOLDERS’ EQUITY (Details Narrative) - USD ($)	Nov. 04, 2025	Nov. 03, 2022	Jun. 30, 2026	Jun. 30, 2025	Mar. 31, 2025
Accumulated Other Comprehensive Income (Loss) [Line Items]
Share purchase value				$ 2,441,000
Share based compensation			$ 100,000	$ 200,000
2026 Pre-funded Warrants [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stock issued during the period, shares			95,000
Restricted Stock Units (RSUs) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Vesting period			5 years
2013 Beyond Air Equity Incentive Plan [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stock option shares authorized for issuance			84,000
Number of shares available for grant				44,359
Vesting period			4 years
Expiration period			10 years
Weighted average fair value of options granted			$ 7.48
2013 Beyond Air Equity Incentive Plan [Member] \| Restricted Stock Units (RSUs) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Weighted average remaining service period			8 months 12 days
2013 BA Plan [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Share based compensation			$ 200,000
2013 BA EquityIncentivePlan [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Weighted average remaining service period			1 year 6 months
Unrecognized stock-based compensation expense			$ 1,000,000.0
2021 Beyond Cancer Ltd Equity Incentive Plan [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stock option shares authorized for issuance		4,000,000
Number of shares available for grant			1,771,250
Vesting period			4 years
Weighted average remaining service period			1 year
Expiration period			10 years
Number of additionl shares reserve for issuance		2,000,000
Unrecognized stock-based compensation expense			$ 100,000
2023 Neuro Nos Ltd Equity Incentive Plan [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stock option shares authorized for issuance					1,725,000
Number of shares available for grant			446,149
Weighted average remaining service period			6 months
Unrecognized stock-based compensation expense			$ 100,000
Purchase Agreement [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Share purchase value	$ 20,000,000
Shares available for resale	80,000		58,692
Common stock minimum purchase amount	$ 25,000
Beneficial ownership limitation percentage	4.99%
Price per share			$ 9.20
Adjustments in additional paid in capital			$ 500,000