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Financial Instruments and Fair Value Measurements (Tables) | 6 Months Ended
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Jun. 30, 2022
Financial Instruments and Fair Value Measurements |
Summary of financial assets and liabilities measured at fair value | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | As of June 30, 2022
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Significant | ​ | ​ | ​
​ | ​ | Quoted Priced in | ​ | Significant Other | ​ | Unobservable | ​ | ​ | ​
​ | ​ | Active Markets | ​ | Observable Inputs | ​ | Inputs | ​ | ​ | ​
​ |  | (Level 1) |  | (Level 2) |  | (Level 3) |  | Total
Assets: |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Money market funds | ​ | $ | 43,523 | ​ | $ | — | ​ | $ | — | ​ | $ | 43,523
Total assets | ​ | $ | 43,523 | ​ | $ | — | ​ | $ | — | ​ | $ | 43,523
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | As of December 31, 2021
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Significant | ​ | ​ | ​
​ | ​ | Quoted Priced in | ​ | Significant Other | ​ | Unobservable | ​ | ​ | ​
​ | ​ | Active Markets | ​ | Observable Inputs | ​ | Inputs | ​ | ​ | ​
​ |  | (Level 1) |  | (Level 2) |  | (Level 3) |  | Total
Assets: |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Money market funds | ​ | $ | 46,687 | ​ | $ | — | ​ | $ | — | ​ | $ | 46,687
Total assets | ​ | $ | 46,687 | ​ | $ | — | ​ | $ | — | ​ | $ | 46,687
Summary of changes in fair value of Level 3 liabilities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Six Months Ended June 30, 2021
​ | ​ | ​ | ​ | Derivative |  | ​
​ |  | SAFE |  | Liability |  | Total
Balance at December 31, 2020 | ​ | $ | — | ​ | $ | 2,209 | ​ | $ | 2,209
Fair value recognized upon the issuance of SAFE | ​ |  | 8,942 | ​ |  | — | ​ |  | 8,942
Change in the fair value of the derivative liability | ​ |  | — | ​ |  | (2,209) | ​ |  | (2,209)
Change in the fair value of SAFE | ​ | ​ | 1,044 | ​ | ​ | — | ​ | ​ | 1,044
Balance at June 30, 2021 | ​ | $ | 9,986 | ​ | $ | — | ​ | $ | 9,986
Schedule of significant unobservable inputs for SAFE | ​
​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | March 25,
​ | ​ | June 30, | ​ | 2021
​ |  | 2021 | ​ | (Issuance)
Expected term (in years) |  | 0.17 | ​ | 0.35
Discount upon conversion |  | 20.0% | ​ | 20.0%
Discount upon implied return |  | 18.9% | ​ | 18.9%
Probability of IPO occurrence |  | 45.0% | ​ | 45.0%
Probability of dissolution event occurrence | ​ | 15.0% | ​ | 15.0%
Probability of equity financing occurrence | ​ | 37.0% | ​ | 37.0%
Probability of change of control occurrence | ​ | 3.0% | ​ | 3.0%

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- Definition Tabular disclosure of input and valuation technique used to measure fair value and change in valuation approach and technique for each separate class of asset and liability measured on recurring and nonrecurring basis. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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- Definition Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13467-108611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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- Definition Tabular disclosure of the fair value measurement of liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and gains or losses recognized in other comprehensive income (loss) and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs) by class of liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19279-110258 + Details
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