Quarterly report pursuant to sections 13 or 15(d)

Document and Entity Information

v2.4.0.6
Document and Entity Information
3 Months Ended
Mar. 31, 2013
May 08, 2013
Entity Information [Line Items]    
Document Type 10-Q/A  
Amendment Flag false  
Document Period End Date Mar. 31, 2013  
Document Fiscal Year Focus 2013  
Document Fiscal Period Focus Q1  
Trading Symbol CGIX  
Entity Registrant Name CANCER GENETICS, INC  
Entity Central Index Key 0001349929  
Current Fiscal Year End Date --12-31  
Entity Filer Category Non-accelerated Filer  
Entity Common Stock, Shares Outstanding   4,316,691