Marketable securities (Additional Information) (Details) - USD ($) |
9 Months Ended | 12 Months Ended |
|---|---|---|
Sep. 30, 2023 |
Dec. 31, 2022 |
|
| Gain (Loss) on Securities [Line Items] | ||
| Unrealized gain | $ 0 | $ 104,718 |
| Marketable securities, unrealized loss | (143) | 0 |
| Proceeds from maturity of marketable securities | 34,400,000 | 4,960,000 |
| Marketable securities, realized gain loss | 0 | 0 |
| U.S. treasury debt securities | ||
| Gain (Loss) on Securities [Line Items] | ||
| Unrealized gain | 0 | 104,718 |
| Marketable securities, unrealized loss | $ (143) | $ 0 |
| X | ||||||||||
- Definition Amount of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), investment in debt security measured at amortized cost (held-to-maturity) and investment in debt security measured at fair value with change in fair value recognized in net income (trading). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of realized gain (loss) on investment in marketable security, including other-than-temporary impairment (OTTI). No definition available.
|
| X | ||||||||||
- Definition The cash inflow associated with the aggregate amount received by the entity through sale or maturity of marketable securities (held-to-maturity or available-for-sale) during the period. No definition available.
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Details
|