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    <h3>Quarterly report pursuant to Section 13 or 15(d)</h3>
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                        <a class="menu-item " href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1900">Cover</a>
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                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1900">Document And Entity Information</a></li>
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                        <a class="menu-item " href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1901">Financial Statements</a>
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                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1901">Consolidated Balance Sheets (Current Period Unaudited)</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1902">Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals)</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1903">Consolidated Statements of Operations (Unaudited)</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1904">Consolidated Statements of Comprehensive Loss (Unaudited)</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1905">Consolidated Statements of Stockholders' (Deficit) Equity (Unaudited)</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1906">Consolidated Statements of Cash Flows (Unaudited)</a></li>
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                        <a class="menu-item " href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1907">Notes to Financial Statements</a>
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                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1907">Note 1 - Summary of Significant Accounting Policies</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1908">Note 2 - Liquidity</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1909">Note 3 - Revenue From Contracts With Customers</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1910">Note 4 - Stock-based Compensation</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1911">Note 5 - Loss Per Share</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1912">Note 6 - Investment in Macrophage Therapeutics, Inc.</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1913">Note 7 - Accounts Payable, Accrued Liabilities and Other</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1914">Note 8 - Notes Payable</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1915">Note 9 - Leases</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1916">Note 10 - Commitments and Contingencies</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1917">Note 11 - Equity</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1918">Note 12 - Stock Warrants</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1919">Note 13 - Income Taxes</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1920">Note 14 - Segments</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1921">Note 15 - Supplemental Disclosure for Statements of Cash Flows</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1922">Note 16 - Subsequent Events</a></li>
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                        <a class="menu-item " href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1923">Accounting Policies</a>
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                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1923">Significant Accounting Policies (Policies)</a></li>
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                        <a class="menu-item " href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1924">Notes Tables</a>
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                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1924">Note 3 - Revenue From Contracts With Customers (Tables)</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1925">Note 4 - Stock-based Compensation (Tables)</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1926">Note 9 - Leases (Tables)</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1927">Note 14 - Segments (Tables)</a></li>
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                        <a class="menu-item current" href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1928">Notes Details</a>
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                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1928">Note 1 - Summary of Significant Accounting Policies (Details Textual)</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1929">Note 2 - Liquidity (Details Textual)</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1930">Note 3 - Revenue From Contracts With Customers (Details Textual)</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1931">Note 3 - Revenue From Contracts With Customers - Disaggregation of Revenue (Details)</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1932">Note 3 - Revenue From Contracts With Customers - Changes in Contract Liabilities (Details)</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1933">Note 4 - Stock-based Compensation (Details Textual)</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1934">Note 4 - Stock-based Compensation - Summary of Stock Option Activity (Details)</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1935">Note 4 - Stock-based Compensation - Summary of Unvested Restricted Stock (Details)</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1936">Note 5 - Loss Per Share (Details Textual)</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1937">Note 6 - Investment in Macrophage Therapeutics, Inc. (Details Textual)</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1938">Note 7 - Accounts Payable, Accrued Liabilities and Other (Details Textual)</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1939">Note 8 - Notes Payable (Details Textual)</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1940">Note 9 - Leases (Details Textual)</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1941">Note 9 - Leases - Amount, Timing and Uncertainty of Cash Flows Arising From Operating Leases (Details)</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1942">Note 10 - Commitments and Contingencies (Details Textual)</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1943">Note 11 - Equity (Details Textual)</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1944">Note 12 - Stock Warrants (Details Textual)</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1945">Note 13 - Income Taxes (Details Textual)</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1946">Note 14 - Segments (Details Textual)</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1947">Note 14 - Segments - Segment Information (Details)</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1948">Note 15 - Supplemental Disclosure for Statements of Cash Flows (Details Textual)</a></li>
                                                            <li><a href="https://ir.navidea.com/quarterly-reports/xbrl_doc_only/1949">Note 16 - Subsequent Events (Details Textual)</a></li>
                                                    </ul>
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    <div class="spr-xbrl-document">
        <h4>Note 15 - Supplemental Disclosure for Statements of Cash Flows (Details Textual)</h4>
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