Document And Entity Information - shares	3 Months Ended
Mar. 31, 2017	Nov. 01, 2017
Document And Entity Information [Abstract]
Document Type	10-Q/A
Amendment Flag	true
AmendmentDescription	EXPLANATORY NOTE SenesTech, Inc. (the “Company”) is filing this Amendment No. 1 on Form 10-Q/A to amend its Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2017, filed with the Securities and Exchange Commission (“SEC”) on May 15, 2017 (the “Q1 Quarterly Report”) solely to add a summary of a significant accounting policy to “Item 1. Financial Statements — Notes to Condensed Financial Statements —Note 2. Summary of Significant Accounting Policies.” The remainder of the Quarterly Report on Form 10-Q is included for convenience only and, except for corresponding updates to the cover page, exhibit index, signature page, and references to the amended Annual Report on Form 10-K, reflects the contents of the Q1 Quarterly Report. This Amendment No. 1 has not been updated to reflect any events occurring after the filing of the Q1 Quarterly Report.
Document Period End Date	Mar. 31, 2017
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q1
Entity Registrant Name	SenesTech, Inc.
Entity Central Index Key	0001680378
Current Fiscal Year End Date	--12-31
Entity Filer Category	Smaller Reporting Company
Trading Symbol	SNES
Entity Common Stock, Shares Outstanding		10,389,497

Description of changes contained within amended document.

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