Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details Narrative)

v3.4.0.3
Subsequent Events (Details Narrative) - USD ($)
May. 18, 2016
Apr. 12, 2016
Mar. 31, 2016
Dec. 31, 2015
Subsequent Event [Line Items]        
Common stock, issued     14,137,442 14,137,442
Interstate Battery System International, Inc. [Member] | Definitive Agreements [Member] | Subsequent Event [Member]        
Subsequent Event [Line Items]        
Company's equity and debt securities $ 10,000,000      
Common stock, issued 702,247      
Share price (in dollars per share) $ 7.12 $ 7.12    
Gross proceeds from investment $ 5,000,000      
Description of coversion of convertible note and warrants  

If Interstate converts its convertible note and exercises both warrants in their entirety, it will own slightly less than 20% of the common stock of Aqua Metals at an average price per share of approximately $7.93.

   
Interstate Battery System International, Inc. [Member] | Definitive Agreements [Member] | Subsequent Event [Member] | Warrant [Member]        
Subsequent Event [Line Items]        
Expiration date May 16, 2019      
Number of shares vested 1,605,131      
Exercise price (in dollars per share) $ 9.00      
Vesting period Nov. 16, 2016      
Interstate Battery System International, Inc. [Member] | Definitive Agreements [Member] | Subsequent Event [Member] | Financing Warrants [Member]        
Subsequent Event [Line Items]        
Expiration date May 16, 2018      
Number of shares vested 702,247      
Exercise price (in dollars per share) $ 7.12      
Interstate Battery System International, Inc. [Member] | Definitive Agreements [Member] | Subsequent Event [Member] | 8% Secured Convertible Promissory Note [Member]        
Subsequent Event [Line Items]        
Loan amount $ 5,000,000      
Face amout $ 5,000,000      
Expiration date May 16, 2019      
Conversion price (in dollars per share) $ 7.12      
Interstate Battery System International, Inc. and Other Investors [Member] | Definitive Agreements [Member] | Subsequent Event [Member]        
Subsequent Event [Line Items]        
Sale of equity and debt securities $ 15,100,000      
National Securities Corporation (Placement Agent) [Member] | Definitive Agreements [Member] | Subsequent Event [Member] | Accredited Investor [Member]        
Subsequent Event [Line Items]        
Sale of equity and debt securities $ 5,100,000      
Common stock, issued 719,333      
Share price (in dollars per share) $ 7.12      
Gross proceeds from investment $ 5,121,650      
Percentage of NSC commision on accredited investor investment 6.00%