Document And Entity Information - USD ($)	12 Months Ended
	Jan. 02, 2022	Mar. 14, 2022	Jul. 04, 2021
Document Information [Line Items]
Entity Central Index Key	0000882508
Entity Registrant Name	QUICKLOGIC Corp
Amendment Flag	false
Current Fiscal Year End Date	--01-02
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2021
Document Type	10-K
Document Annual Report	true
Document Period End Date	Jan. 02, 2022
Document Transition Report	false
Entity File Number	000-22671
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	77-0188504
Entity Address, Address Line One	2220 Lundy Avenue
Entity Address, City or Town	San Jose
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	95131
City Area Code	408
Local Phone Number	990-4000
Title of 12(b) Security	Common Stock, $0.001 par value
Trading Symbol	QUIK
Security Exchange Name	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
ICFR Auditor Attestation Flag	false
Entity Shell Company	false
Entity Public Float			$ 75,951,915
Entity Common Stock, Shares Outstanding		12,362,334
Auditor Name	Moss Adams LLP
Auditor Location	San Francisco, CA
Auditor Firm ID	659