Document And Entity Information - shares	3 Months Ended
	Sep. 30, 2021	Nov. 01, 2021
Document And Entity Information [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2021
Document Transition Report	false
Entity File Number	0-19266
Entity Registrant Name	ALLIED HEALTHCARE PRODUCTS, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	25-1370721
Entity Address, Address Line One	1720 Sublette Avenue
Entity Address, City or Town	St. Louis
Entity Address, State or Province	MO
Entity Address, Postal Zip Code	63110
City Area Code	314
Local Phone Number	771-2400
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Title of 12(b) Security	Common Stock, $.01
Trading Symbol	AHPI
Security Exchange Name	NASDAQ
Entity Common Stock, Shares Outstanding		4,013,537
Amendment Flag	false
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q1
Entity Central Index Key	0000874710
Current Fiscal Year End Date	--06-30