Document and Entity Information - shares	9 Months Ended
Jun. 30, 2018	Jul. 20, 2018
Details
Registrant Name	ALTEX INDUSTRIES INC
Registrant CIK	0000775057
SEC Form	10-Q
Period End date	Jun. 30, 2018
Fiscal Year End	--09-30
Trading Symbol	altx
Tax Identification Number (TIN)	840989164
Number of common stock shares outstanding		12,555,131
Filer Category	Smaller Reporting Company
Current with reporting	Yes
Voluntary filer	No
Well-known Seasoned Issuer	No
Emerging Growth Company	false
Ex Transition Period	false
Amendment Flag	false
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q3
Entity Incorporation, State Country Name	Delaware
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

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