Document and Entity Information	9 Months Ended
Sep. 30, 2011	Nov. 10, 2011
Document and Entity Information
Entity Registrant Name	ALLIED MOTION TECHNOLOGIES INC
Entity Central Index Key	0000046129
Document Type	10-Q
Document Period End Date	Sep. 30, 2011
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Current Reporting Status	Yes
Entity Filer Category	Smaller Reporting Company
Entity Common Stock, Shares Outstanding		8,470,142
Document Fiscal Year Focus	2011
Document Fiscal Period Focus	Q3

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