Document and Entity Information	Total
Prospectus:
Document Type	485BPOS
Document Period End Date	Jul. 31, 2017
Registrant Name	TrimTabs ETF Trust
Central Index Key	0001604813
Amendment Flag	false
Document Creation Date	Nov. 22, 2017
Document Effective Date	Nov. 30, 2017
Prospectus Date	Nov. 30, 2017
TrimTabs All Cap International Free-Cash-Flow ETF \| TrimTabs All Cap International Free-Cash-Flow ETF
Prospectus:
Trading Symbol	TTAI
TrimTabs All Cap U.S. Free-Cash-Flow ETF \| TrimTabs All Cap U.S. Free-Cash-Flow ETF
Prospectus:
Trading Symbol	TTAC

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The date the document was made available and submitted, in CCYY-MM-DD format. The date of submission, date of acceptance by the recipient, and the document effective date are all potentially different.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation 12B
-Number 240
-Section 12b
-Subsection 1

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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