Annual report [Section 13 and 15(d), not S-K Item 405]

Marketable securities (Details)

v3.25.1
Marketable securities (Details)
Dec. 31, 2023
USD ($)
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]  
Amortized Cost $ 4,473,033
Gross Unrealized Gains 50,878
Gross Unrealized Losses (60,969)
Fair Value 4,462,942
Corporate Bonds [Member]  
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]  
Amortized Cost 4,473,033
Gross Unrealized Gains 50,878
Gross Unrealized Losses (60,969)
Fair Value 4,462,942
Certificates Of Deposits [Member]  
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]  
Amortized Cost
Gross Unrealized Gains
Gross Unrealized Losses
Fair Value