Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2022	Aug. 08, 2022
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2022
Document Fiscal Year Focus	2022
Entity Registrant Name	ALPHA TEKNOVA, INC.
Entity Central Index Key	0001850902
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Shell Company	false
Document Fiscal Period Focus	Q2
Trading Symbol	TKNO
Security12b Title	Common Stock, par value $0.00001 per share
Security Exchange Name	NASDAQ
Document Quarterly Report	true
Document Transition Report	false
Entity File Number	001-40538
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	94-3368109
Entity Address, Address Line One	2451 Bert Dr.
Entity Address, City or Town	Hollister
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	95023
City Area Code	831
Local Phone Number	637-1100
Entity Common Stock, Shares Outstanding		28,090,484