v2.4.0.6
Document and Entity Information
9 Months Ended
Sep. 30, 2011
Nov. 02, 2011
Entity Registrant Name MANHATTAN PHARMACEUTICALS INC  
Entity Central Index Key 0001001316  
Current Fiscal Year End Date --12-31  
Entity Filer Category Smaller Reporting Company  
Trading Symbol mhan  
Entity Common Stock, Shares Outstanding   7,398,316
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Sep. 30, 2011  
Document Fiscal Period Focus Q3  
Document Fiscal Year Focus 2011