000 - Document - Document And Entity Information link:calculationLink link:definitionLink link:presentationLink 001 - Statement - Consolidated Balance Sheets link:calculationLink link:definitionLink link:presentationLink 002 - Statement - Consolidated Balance Sheets (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 003 - Statement - Consolidated Statements of Operations link:calculationLink link:definitionLink link:presentationLink 004 - Statement - Consolidated Statements of Comprehensive Loss link:calculationLink link:definitionLink link:presentationLink 005 - Statement - Consolidated Statements of Cash Flows link:calculationLink link:definitionLink link:presentationLink 006 - Statement - Consolidated Statements of Changes in Stockholders' Equity link:calculationLink link:definitionLink link:presentationLink 007 - Disclosure - Note 1 - Summary of Significant Accounting Policies link:calculationLink link:definitionLink link:presentationLink 008 - Disclosure - Note 2 - Financial Condition link:calculationLink link:definitionLink link:presentationLink 009 - Disclosure - Note 3 - Short Term Investments Available for Sale link:calculationLink link:definitionLink link:presentationLink 010 - Disclosure - Note 4 - Fair Values of Financial Instruments link:calculationLink link:definitionLink link:presentationLink 011 - Disclosure - Note 5 - Acquisition of EGEN, Inc. link:calculationLink link:definitionLink link:presentationLink 012 - Disclosure - Note 6 - Property and Equipment link:calculationLink link:definitionLink link:presentationLink 013 - Document - Note 7 - Other Accrued Liabilities link:calculationLink link:definitionLink link:presentationLink 014 - Disclosure - Note 8 - Note Payable link:calculationLink link:definitionLink link:presentationLink 015 - Disclosure - Note 9 - Income Taxes link:calculationLink link:definitionLink link:presentationLink 016 - Disclosure - Note 10 - Stockholders' Equity link:calculationLink link:definitionLink link:presentationLink 017 - Disclosure - Note 11 - Stock-based Compensation link:calculationLink link:definitionLink link:presentationLink 018 - Disclosure - Note 12 - Earn-out Milestone Liability link:calculationLink link:definitionLink link:presentationLink 019 - Disclosure - Note 13 - Warrants link:calculationLink link:definitionLink link:presentationLink 020 - Disclosure - Note 14 - Celsion Employee Benefit Plans link:calculationLink link:definitionLink link:presentationLink 021 - Disclosure - Note 15 - Licenses of Intellectual Property and Patents link:calculationLink link:definitionLink link:presentationLink 022 - Disclosure - Note 16 - Technology Development and Licensing Agreements link:calculationLink link:definitionLink link:presentationLink 023 - Disclosure - Note 17 - Contingent Liabilities and Commitments link:calculationLink link:definitionLink link:presentationLink 024 - Disclosure - Note 18 - Subsequent Events link:calculationLink link:definitionLink link:presentationLink 025 - Disclosure - Significant Accounting Policies (Policies) link:calculationLink link:definitionLink link:presentationLink 026 - Disclosure - Note 3 - Short Term Investments Available for Sale (Tables) link:calculationLink link:definitionLink link:presentationLink 027 - Disclosure - Note 4 - Fair Values of Financial Instruments (Tables) link:calculationLink link:definitionLink link:presentationLink 028 - Disclosure - Note 5 - Acquisition of EGEN, Inc. (Tables) link:calculationLink link:definitionLink link:presentationLink 029 - Disclosure - Note 6 - Property and Equipment (Tables) link:calculationLink link:definitionLink link:presentationLink 030 - Disclosure - Note 7 - Other Accrued Liabilities (Tables) link:calculationLink link:definitionLink link:presentationLink 031 - Disclosure - Note 9 - Income Taxes (Tables) link:calculationLink link:definitionLink link:presentationLink 032 - Disclosure - Note 11 - Stock-based Compensation (Tables) link:calculationLink link:definitionLink link:presentationLink 033 - Disclosure - Note 12 - Earn-out Milestone Liability (Tables) link:calculationLink link:definitionLink link:presentationLink 034 - Disclosure - Note 13 - Warrants (Tables) link:calculationLink link:definitionLink link:presentationLink 035 - Disclosure - Note 17 - Contingent Liabilities and Commitments (Tables) link:calculationLink link:definitionLink link:presentationLink 036 - Disclosure - Note 1 - Summary of Significant Accounting Policies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 037 - Disclosure - Note 2 - Financial Condition (Details Textual) link:calculationLink link:definitionLink link:presentationLink 038 - Disclosure - Note 3 - Short Term Investments Available for Sale (Details Textual) link:calculationLink link:definitionLink link:presentationLink 039 - Disclosure - Note 3 - Short Term Investments Available for Sale - Short-term Investment by Bond Maturities (Details) link:calculationLink link:definitionLink link:presentationLink 040 - Disclosure - Note 3 - Short Term Investments Available for Sale - Available for Sale - Investment Income (Details) link:calculationLink link:definitionLink link:presentationLink 041 - Disclosure - Note 3 - Short Term Investments Available for Sale - Securities in a Continuous Unrealized Loss Position (Details) link:calculationLink link:definitionLink link:presentationLink 042 - Disclosure - Note 4 - Fair Values of Financial Instruments - Assets and Liabilities at Fair Value On a Recurring Basis (Details) link:calculationLink link:definitionLink link:presentationLink 043 - Disclosure - Note 5 - Acquisition of EGEN, Inc. (Details Textual) link:calculationLink link:definitionLink link:presentationLink 044 - Disclosure - Note 5 - Acquisition of EGEN, Inc. - Fair Values of Acquired Assets and Liabilities (Details) link:calculationLink link:definitionLink link:presentationLink 045 - Disclosure - Note 5 - Acquisition of Egen, Inc. - Amortization Schedule for Covenant Not to Complete (Details) link:calculationLink link:definitionLink link:presentationLink 046 - Disclosure - Note 6 - Property and Equipment - Property, Plant, and Equipment Useful Life (Details) link:calculationLink link:definitionLink link:presentationLink 047 - Disclosure - Note 6 - Property and Equipment - Property, Plant, and Equipment Useful Life (Details) (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 048 - Disclosure - Note 7 - Other Accrued Liabilities - Other Accrued Liabilities (Details) link:calculationLink link:definitionLink link:presentationLink 049 - Disclosure - Note 8 - Note Payable (Details Textual) link:calculationLink link:definitionLink link:presentationLink 050 - Disclosure - Note 9 - Income Taxes (Details Textual) link:calculationLink link:definitionLink link:presentationLink 051 - Disclosure - Note 9 - Income Taxes - Reconciliation of the Statutory Tax Rate to the Effective Rate (Details) link:calculationLink link:definitionLink link:presentationLink 052 - Disclosure - Note 9 - Income Taxes - Components of the Deferred Tax Asset (Details) link:calculationLink link:definitionLink link:presentationLink 053 - Disclosure - Note 9 - Income Taxes - Operating Loss Carry Forwards (Details) link:calculationLink link:definitionLink link:presentationLink 054 - Disclosure - Note 10 - Stockholders' Equity (Details Textual) link:calculationLink link:definitionLink link:presentationLink 055 - Disclosure - Note 11 - Stock-based Compensation (Details Textual) link:calculationLink link:definitionLink link:presentationLink 056 - Disclosure - Note 11 - Stock-based Compensation - Stock Option Activity (Details) link:calculationLink link:definitionLink link:presentationLink 057 - Disclosure - Note 11 - Stock-based Compensation - Non-vested Restricted Stock Awards (Details) link:calculationLink link:definitionLink link:presentationLink 058 - Disclosure - Note 11 - Stock-based Compensation - Stock Options Outstanding (Details) link:calculationLink link:definitionLink link:presentationLink 059 - Disclosure - Note 11 - Stock-based Compensation - Fair Value of Option Assumptions (Details) link:calculationLink link:definitionLink link:presentationLink 060 - Disclosure - Note 12 - Earn-out Milestone Liability (Details Textual) link:calculationLink link:definitionLink link:presentationLink 061 - Disclosure - Note 12 - Earn-out Milestone Liability - Summary of the Changes in the Earn-out Milestone Liability (Details) link:calculationLink link:definitionLink link:presentationLink 062 - Disclosure - Note 13 - Warrants (Details Textual) link:calculationLink link:definitionLink link:presentationLink 063 - Disclosure - Note 13 - Warrants - Summary of Warrant Activity (Details) link:calculationLink link:definitionLink link:presentationLink 064 - Disclosure - Note 14 - Celsion Employee Benefit Plans (Details Textual) link:calculationLink link:definitionLink link:presentationLink 065 - Disclosure - Note 15 - Licenses of Intellectual Property and Patents (Details Textual) link:calculationLink link:definitionLink link:presentationLink 066 - Disclosure - Note 16 - Technology Development and Licensing Agreements (Details Textual) link:calculationLink link:definitionLink link:presentationLink 067 - Disclosure - Note 17 - Contingent Liabilities and Commitments (Details Textual) link:calculationLink link:definitionLink link:presentationLink 068 - Disclosure - Note 17 - Contingent Liabilities and Commitments - Summary of the Future Minimum Payments Required Under Leases (Details) link:calculationLink link:definitionLink link:presentationLink 069 - Disclosure - Note 18 - Subsequent Events (Details Textual) link:calculationLink link:definitionLink link:presentationLink