Document and Entity Information - shares
6 Months Ended
Jun. 30, 2016
Sep. 14, 2016
Document And Entity Information    
Entity Registrant Name Atomera Inc  
Entity Central Index Key 0001420520  
Document Type 10-Q  
Trading Symbol ATMR  
Document Period End Date Jun. 30, 2016  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Entity a Well-known Seasoned Issuer No  
Entity a Voluntary Filer No  
Entity's Reporting Status Current Yes  
Entity Filer Category Smaller Reporting Company  
Entity Common Stock, Shares Outstanding   12,002,331
Document Fiscal Period Focus Q2  
Document Fiscal Year Focus 2016