v2.3.0.11
Document and Entity Information
6 Months Ended
Jun. 30, 2011
Aug. 05, 2011
Document and Entity Information    
Entity Registrant Name EXACT SCIENCES CORP  
Entity Central Index Key 0001124140  
Document Type 10-Q  
Document Period End Date Jun. 30, 2011
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status Yes  
Entity Filer Category Accelerated Filer  
Entity Common Stock, Shares Outstanding   52,639,846
Document Fiscal Year Focus 2011  
Document Fiscal Period Focus Q2