v3.10.0.1
Document and Entity Information - USD ($)
6 Months Ended
Jun. 30, 2018
Aug. 30, 2018
Dec. 31, 2017
Document and Entity Information [Abstract]      
Entity Registrant Name CHARLES & COLVARD LTD    
Entity Central Index Key 0001015155    
Current Fiscal Year End Date --06-30    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Smaller Reporting Company    
Entity Public Float     $ 24,853,779
Entity Common Stock, Shares Outstanding   21,598,069  
Document Fiscal Year Focus 2018    
Document Fiscal Period Focus FY    
Document Type 10-KT    
Amendment Flag false    
Document Period End Date Jun. 30, 2018