Quarterly report pursuant to Section 13 or 15(d)

Marketable Securities (Details - Investments in marketable securities)

v3.24.3
Marketable Securities (Details - Investments in marketable securities) - USD ($)
$ in Thousands
Sep. 30, 2024
Dec. 31, 2023
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]    
Debt securities, available-for-sale, amortized cost $ 4,266 $ 12,838
Debt securities, available-for-sale, unrealized loss (187) (888)
Available-for-sale marketable securities with a fair value 4,079 11,950
Corporate Bond Securities [Member]    
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]    
Debt securities, available-for-sale, amortized cost 1,080 6,333
Debt securities, available-for-sale, unrealized loss (45) (425)
Available-for-sale marketable securities with a fair value 1,035 5,908
US Agency And Government Sponsored Securities [Member]    
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]    
Debt securities, available-for-sale, amortized cost 2,000 2,000
Debt securities, available-for-sale, unrealized loss (87) (148)
Available-for-sale marketable securities with a fair value 1,913 1,852
US Treasury Notes Securities [Member]    
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]    
Debt securities, available-for-sale, amortized cost 1,186 3,859
Debt securities, available-for-sale, unrealized loss (55) (278)
Available-for-sale marketable securities with a fair value $ 1,131 3,581
US Treasury Securities [Member]    
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]    
Debt securities, available-for-sale, amortized cost   646
Debt securities, available-for-sale, unrealized loss   (37)
Available-for-sale marketable securities with a fair value   $ 609