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Fair Value Measurements - Schedule of assets and liabilities measured at fair value on a recurring basis (Details) - USD ($) | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | --- | ---
Financial assets |  |  |
Cash equivalents and restricted cash (Money Market Accounts) | $ 49,685,586 | $ 341,037 | $ 226,603
Restricted cash | 50,389 | 50,367 |
Recurring |  |  |
Liabilities, Fair Value Disclosure [Abstract] |  |  |
Convertible Promissory Notes |  | 5,829,292 |
Recurring | Level 1 |  |  |
Liabilities, Fair Value Disclosure [Abstract] |  |  |
Convertible Promissory Notes |  | 0 |
Recurring | Level 2 |  |  |
Liabilities, Fair Value Disclosure [Abstract] |  |  |
Convertible Promissory Notes |  | 0 |
Recurring | Level 3 |  |  |
Liabilities, Fair Value Disclosure [Abstract] |  |  |
Convertible Promissory Notes |  | 5,829,292 |
Recurring | Money market funds |  |  |
Financial assets |  |  |
Cash equivalents and restricted cash (Money Market Accounts) | 49,051,061 |  |
Restricted cash |  | 50,367 |
Recurring | Money market funds | Level 1 |  |  |
Financial assets |  |  |
Cash equivalents and restricted cash (Money Market Accounts) | 49,051,061 |  |
Restricted cash |  | 50,367 |
Recurring | Money market funds | Level 2 |  |  |
Financial assets |  |  |
Cash equivalents and restricted cash (Money Market Accounts) | 0 |  |
Restricted cash |  | 0 |
Recurring | Money market funds | Level 3 |  |  |
Financial assets |  |  |
Cash equivalents and restricted cash (Money Market Accounts) | $ 0 |  |
Restricted cash |  | $ 0 |

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- Definition Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3521-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3044-108585 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=123431023&loc=SL98516268-108586 + Details
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