Quarterly report pursuant to Section 13 or 15(d)


Cover - shares
9 Months Ended
Dec. 31, 2021
Feb. 08, 2022
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Quarterly Report true  
Document Transition Report false  
Document Period End Date Dec. 31, 2021  
Document Fiscal Period Focus Q3  
Document Fiscal Year Focus 2022  
Current Fiscal Year End Date --03-31  
Entity File Number 001-38892  
Entity Registrant Name BEYOND AIR, INC.  
Entity Central Index Key 0001641631  
Entity Tax Identification Number 47-3812456  
Entity Incorporation, State or Country Code DE  
Entity Address, Address Line One 900 Stewart Avenue  
Entity Address, Address Line Two Suite 301  
Entity Address, City or Town Garden City  
Entity Address, State or Province NY  
Entity Address, Postal Zip Code 11530  
City Area Code 516  
Local Phone Number 665-8200  
Title of 12(b) Security Common Stock, par value $0.0001 per share  
Trading Symbol XAIR  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company true  
Elected Not To Use the Extended Transition Period false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   29,831,400