Document and Entity Information - shares	6 Months Ended
	Mar. 31, 2020	May 07, 2020
Cover [Abstract]
Entity Registrant Name	PANHANDLE OIL & GAS INC,
Entity Central Index Key	0000315131
Document Type	10-Q
Document Period End Date	Mar. 31, 2020
Amendment Flag	false
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q2
Current Fiscal Year End Date	--09-30
Entity Filer Category	Non-accelerated Filer
Entity Emerging Growth Company	false
Entity Small Business	true
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		16,392,054
Title of each class	Class A Common Stock, $0.01666 par value
Trading Symbol(s)	PHX
Name of each exchange on which registered	NYSE