Document and Entity Information - shares	3 Months Ended
	Dec. 31, 2019	Feb. 05, 2020
Cover [Abstract]
Entity Registrant Name	PANHANDLE OIL & GAS INC,
Entity Central Index Key	0000315131
Document Type	10-Q
Document Period End Date	Dec. 31, 2019
Amendment Flag	false
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q1
Current Fiscal Year End Date	--09-30
Entity Filer Category	Accelerated Filer
Entity Emerging Growth Company	false
Entity Small Business	false
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Shell Company	false
Entity File Number	001-31759
Entity Tax Identification Number	73-1055775
Entity Address, Address Line One	Grand Centre
Entity Address, Address Line Two	Suite 300
Entity Address, Address Line Three	5400 N Grand Blvd
Entity Address, City or Town	Oklahoma City
Entity Address, State or Province	OK
Entity Address, Postal Zip Code	73112
City Area Code	(405)
Local Phone Number	948-1560
Entity Incorporation, State or Country Code	OK
Document Quarterly Report	true
Document Transition Report	false
Entity Common Stock, Shares Outstanding		16,344,169
Title of each class	Class A Common Stock, $0.01666 par value
Trading Symbol(s)	PHX
Name of each exchange on which registered	NYSE