Document and Entity Information - USD ($)	12 Months Ended
Dec. 31, 2016	Nov. 01, 2017	Dec. 08, 2016
Document And Entity Information
Entity Registrant Name	SenesTech, Inc.
Entity Central Index Key	0001680378
Trading Symbol	SNES
Document Type	10-K/A
Document Period End Date	Dec. 31, 2016
Amendment Flag	true
Amendment Description	EXPLANATORY NOTE SenesTech, Inc. (the “Company”) is filing this Amendment No. 1 on Form 10-K/A to amend its Annual Report on Form 10-K for the year ended December 31, 2016, filed with the Securities and Exchange Commission (“SEC”) on March 31, 2017 (the “2016 Annual Report”) solely to add a summary of a significant accounting policy to “Item 8. Financial Statements and Supplementary Data — Notes to the Financial Statements — Summary of Significant Accounting Policies” and to clarify a risk factor related to our internal control over financial reporting. The remainder of the Annual Report on Form 10-K is included for convenience only and, except for corresponding updates to the cover page, Part IV and signature page, reflects the contents of the 2016 Annual Report. This Amendment No. 1 has not been updated to reflect any events occurring after the filing of the 2016 Annual Report.
Current Fiscal Year End Date	--12-31
Entity a Well-known Seasoned Issuer	No
Entity a Voluntary Filer	No
Entity's Reporting Status Current	Yes
Entity Filer Category	Smaller Reporting Company
Entity Public Float			$ 51,362,120
Entity Common Stock, Shares Outstanding		10,389,497
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2016

Description of changes contained within amended document.

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