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Certain Balance Sheet Items - Accounts Payable and Accrued Expenses (Details) - USD ($) | 6 Months Ended |  |  |
--- | --- | --- | --- | ---
Jun. 30, 2022 | Jul. 31, 2022 | Dec. 31, 2021 | Mar. 09, 2021
Accounts Payable and Accrued Expenses [Line Items] |  |  |  |
Trade accounts payable | $ 38,235,903 |  | $ 27,424,743 |
Accrued compensation | 15,142,185 |  | 16,112,912 |
Accrued litigation settlement | 44,000,000 |  | 0 |
Other accrued expenses | 7,637,249 |  | 4,106,875 |
Total accounts payable and accrued expenses | 105,015,337 |  | $ 47,644,530 |
McDermid v. Inovio Pharmaceuticals, Inc. and J. Joseph Kim |  |  |  |
Accounts Payable and Accrued Expenses [Line Items] |  |  |  |
Estimate of cash settlement |  |  |  | $ 30,000,000
Estimate of shares settlement |  |  |  | $ 14,000,000
Amount paid to other party | $ 252,000 |  |  |
Subsequent Event | McDermid v. Inovio Pharmaceuticals, Inc. and J. Joseph Kim |  |  |  |
Accounts Payable and Accrued Expenses [Line Items] |  |  |  |
Estimate of cash settlement |  | $ 30,000,000 |  |
Estimate of shares settlement |  | $ 14,000,000 |  |

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- Definition Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19,20) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Carrying amount of reserve for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs, which is expected to be paid within one year of the date of the statement of financial position. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.25) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 + Details
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