Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

Document and Entity Information - USD ($)
12 Months Ended
Dec. 31, 2015
Mar. 28, 2016
Jun. 30, 2015
Document And Entity Information      
Entity Registrant Name Aqua Metals, Inc.    
Entity Central Index Key 0001621832    
Document Type 10-K    
Document Period End Date Dec. 31, 2015    
Trading Symbol AQMS    
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 Public Float     $ 2,291,035
Entity Common Stock, Shares Outstanding   14,137,442  
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2015