Quarterly report [Sections 13 or 15(d)]

Marketable securities Additional Information (Details)

v3.25.2
Marketable securities Additional Information (Details) - USD ($)
6 Months Ended 12 Months Ended
Jun. 30, 2025
Dec. 31, 2024
Marketable securities, available-for-sale:    
Marketable securities, Unrealized Loss $ 2,944 $ 37,248
Proceeds from maturities of marketable securities 31,400,000 23,500,000
Marketable Securities, Realized Gain (Losses) 0 0
U.S. treasury debt securities    
Marketable securities, available-for-sale:    
Marketable securities, Unrealized Loss $ 2,944 $ 37,248
Marketable securities, obligations maturity period less than one year less than one year