<div class="xbrl-content">
    <h3>Quarterly report pursuant to Section 13 or 15(d)</h3>
    <div id="xbrl-menu-top">
        <div class="navigation">
            <ul class="xbrl-sf-menu">
                
                    <li>
                        <a class="menu-item " href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/235">Cover</a>
                        <ul class="submenu">
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/235">Document and Entity Information</a></li>
                                                    </ul>
                    </li>
                                    <li>
                        <a class="menu-item " href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/236">Financial Statements</a>
                        <ul class="submenu">
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/236">Condensed Consolidated Balance Sheets (Unaudited)</a></li>
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/237">Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical)</a></li>
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/238">Condensed Consolidated Statements of Operations (Unaudited)</a></li>
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/239">Condensed Consolidated Statement of Stockholders' Equity (Unaudited)</a></li>
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/240">Condensed Consolidated Statement of Stockholders' Equity (Unaudited) (Parenthetical)</a></li>
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/241">Condensed Consolidated Statements of Cash Flows (Unaudited)</a></li>
                                                    </ul>
                    </li>
                                    <li>
                        <a class="menu-item " href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/242">Notes to Financial Statements</a>
                        <ul class="submenu">
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/242">Organization</a></li>
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/243">Summary of Significant Accounting Policies</a></li>
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/244">Property and equipment, net</a></li>
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/245">Intellectual Property</a></li>
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/246">Other Assets</a></li>
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/247">Convertible notes</a></li>
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/248">Deferred Rent</a></li>
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/249">Notes Payable</a></li>
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/250">Stockholders' Equity</a></li>
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/251">Commitments and Contingencies</a></li>
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/252">Subsequent Events</a></li>
                                                    </ul>
                    </li>
                                    <li>
                        <a class="menu-item " href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/253">Accounting Policies</a>
                        <ul class="submenu">
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/253">Summary of Significant Accounting Policies (Policies)</a></li>
                                                    </ul>
                    </li>
                                    <li>
                        <a class="menu-item " href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/254">Notes Tables</a>
                        <ul class="submenu">
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/254">Summary of Significant Accounting Policies (Tables)</a></li>
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/255">Property and equipment, net (Tables)</a></li>
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/256">Intellectual Property (Tables)</a></li>
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/257">Convertible Notes (Tables)</a></li>
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/258">Notes Payable (Tables)</a></li>
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/259">Stockholders' Equity (Tables)</a></li>
                                                    </ul>
                    </li>
                                    <li>
                        <a class="menu-item current" href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/260">Notes Details</a>
                        <ul class="submenu">
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/260">Summary of Significant Accounting Policies (Details)</a></li>
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/261">Summary of Significant Accounting Policies (Details Narrative)</a></li>
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/262">Property and equipment, net (Details)</a></li>
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/263">Property and equipment, net (Details Narrative)</a></li>
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/264">Intellectual Property (Details)</a></li>
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/265">Intellectual Property (Details Narrative)</a></li>
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/266">Other Assets (Details Narrative)</a></li>
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/267">Convertible Notes (Details)</a></li>
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/268">Convertible Notes (Details Narrative)</a></li>
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/269">Deferred Rent (Details Narrative)</a></li>
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/270">Notes Payable (Details)</a></li>
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/271">Notes Payable (Details Narrative)</a></li>
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/272">Stockholders' Equity (Details)</a></li>
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/273">Stockholders' Equity (Details 1)</a></li>
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/274">Stockholders' Equity (Details 2)</a></li>
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/275">Stockholders' Equity (Details 3)</a></li>
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/276">Stockholders' Equity (Details 4)</a></li>
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/277">Stockholders' Equity (Details Narrative)</a></li>
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/278">Stockholders' Equity (Details Narrative 1)</a></li>
                                                            <li><a href="https://ir.aquametals.com/quarterly-reports/xbrl_doc_only/279">Commitments and Contingencies (Details Narrative)</a></li>
                                                    </ul>
                    </li>
                            </ul>
        </div>
    </div>
    <div class="spr-xbrl-document">
        <h4>Summary of Significant Accounting Policies (Details)</h4>
                <div style="clear:both;"></div>
    </div>
</div>

<link rel="stylesheet" href="//ir.aquametals.com/stylesheets/xbrl.css" type="text/css">