Document and Entity Information - shares	9 Months Ended
	Jun. 30, 2019	Aug. 09, 2019
Details
Registrant CIK	0000775057
Fiscal Year End	--09-30
Registrant Name	ALTEX INDUSTRIES INC
SEC Form	10-Q
Period End date	Jun. 30, 2019
Tax Identification Number (TIN)	84-0989164
Number of common stock shares outstanding		12,262,376
Filer Category	Non-accelerated Filer
Current with reporting	Yes
Interactive Data Current	Yes
Shell Company	false
Small Business	true
Emerging Growth Company	false
Entity Incorporation, State or Country Code	DE
Entity File Number	1-9030
Entity Address, Address Line One	PO Box 1057
Entity Address, City or Town	Breckenridge
Entity Address, State or Province	CO
Entity Address, Postal Zip Code	80424-1057
City Area Code	(303)
Local Phone Number	265-9312
Amendment Flag	false
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q3
Document Quarterly Report	true
Document Transition Report	false