Marketable securities Additional Information (Details) - USD ($) |
3 Months Ended | 12 Months Ended |
|---|---|---|
Mar. 31, 2025 |
Dec. 31, 2024 |
|
| Marketable securities, available-for-sale: | ||
| Marketable securities, Unrealized Loss | $ 967 | $ 37,248 |
| Proceeds from maturities of marketable securities | 21,500,000 | 23,500,000 |
| Marketable Securities, Realized Gain (Losses) | 0 | 0 |
| U.S. treasury debt securities | ||
| Marketable securities, available-for-sale: | ||
| Marketable securities, Unrealized Loss | $ 967 | $ 37,248 |
| Marketable securities, obligations maturity period | less than one year | less than one year |