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

Summary of Significant Accounting Policies (Details-Fair value recurring basis)

v3.26.1
Summary of Significant Accounting Policies (Details-Fair value recurring basis) - USD ($)
Dec. 31, 2025
Dec. 31, 2024
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]    
Total assets measured at fair value $ 22,887 $ 24,660
Fair Value, Inputs, Level 1 [Member]    
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]    
Total assets measured at fair value 22,887 24,660
Fair Value, Inputs, Level 2 [Member]    
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]    
Total assets measured at fair value 0 0
Fair Value, Inputs, Level 3 [Member]    
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]    
Total assets measured at fair value 0 0
Marketable Securities Stock [Member]    
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]    
Total assets measured at fair value 22,887 24,660
Marketable Securities Stock [Member] | Fair Value, Inputs, Level 1 [Member]    
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]    
Total assets measured at fair value 22,887 24,660
Marketable Securities Stock [Member] | Fair Value, Inputs, Level 2 [Member]    
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]    
Total assets measured at fair value 0 0
Marketable Securities Stock [Member] | Fair Value, Inputs, Level 3 [Member]    
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]    
Total assets measured at fair value $ 0 $ 0