Quarterly report [Sections 13 or 15(d)]

Marketable securities Additional Information (Details)

v3.26.1
Marketable securities Additional Information (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Marketable securities, available-for-sale:    
Marketable securities, Net Unrealized Loss $ 26,293 $ 21,802
Proceeds from maturities of marketable securities 10,100,000 41,600,000
Marketable Securities, Realized Gain (Losses) 0 0
U.S. treasury debt securities    
Marketable securities, available-for-sale:    
Marketable securities, Net Unrealized Loss $ 26,293 $ 21,802
Marketable securities, obligations maturity period less than one year less than one year
Seven U S Treasury Debt Securities    
Marketable securities, available-for-sale:    
Marketable securities, Net Unrealized Loss   $ 21,802
Fourteen U S Treasury Debt Securities [Member]    
Marketable securities, available-for-sale:    
Marketable securities, Unrealized Gain $ 26,293