Document and Entity Information - USD ($)	12 Months Ended
	Sep. 28, 2021	Dec. 15, 2021	Mar. 30, 2021
Document and Entity Information [Abstract]
Document Type	10-K
Entity Central Index Key	0000825324
Document Period End Date	Sep. 28, 2021
Current Fiscal Year End Date	--09-28
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	FY
Amendment Flag	false
Document Annual Report	true
Document Transition Report	false
Entity File Number	000-18590
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	#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
Title of 12(b) Security	Common Stock $.001 par value
Trading Symbol	GTIM
Name of Exchange on which Security is Registered	NASDAQ
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
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
Auditor Attestation Flag	false
Entity Shell Company	false
Entity Public Float			$ 38,286,607
Entity Common Stock, Shares Outstanding		12,539,694