Document and Entity Information - shares	9 Months Ended
	Jun. 29, 2021	Aug. 09, 2021
Document And Entity Information
Document Type	10-Q
Entity Central Index Key	0000825324
Document Period End Date	Jun. 29, 2021
Current Fiscal Year End Date	--09-28
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q3
Amendment Flag	false
Document Quarterly Report	true
Document Transition Report	false
Entity File Number	0-18590
Entity Registrant Name	Good Times Restaurants Inc.
Entity Incorporation, State or Country Code	NV
Entity Tax Identification Number	84-1133368
Entity Address, Address Line One	651 CORPORATE CIRCLE
Entity Address, Address Line Two	SUITE 200
Entity Address, City or Town	GOLDEN
Entity Address, State or Province	CO
Entity Address, Postal Zip Code	80401
City Area Code	303
Local Phone Number	384-1400
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 $.001 par value
Trading Symbol	GTIM
Name of Exchange on which Security is Registered	NASDAQ
Entity Common Stock, Shares Outstanding		12,829,267