Quarterly report pursuant to Section 13 or 15(d)

Marketable Securities (Details - Marketable Securities)

v3.22.2.2
Marketable Securities (Details - Marketable Securities)
$ in Thousands
 6 Months Ended
Jun. 30, 2022
USD ($)
Net Investment Income [Line Items]  
Adjusted Cost $ 103,155
Unrealized Loss (5,727)
Fair Value 97,428
Corporate Bond Securities [Member]  
Net Investment Income [Line Items]  
Adjusted Cost 45,446
Unrealized Loss (2,420)
Fair Value 43,026
US Treasury Securities [Member]  
Net Investment Income [Line Items]  
Adjusted Cost 24,281
Unrealized Loss (1,087)
Fair Value 23,194
Collateralized Mortgage-Backed Securities [Member]  
Net Investment Income [Line Items]  
Adjusted Cost 6,610
Unrealized Loss (413)
Fair Value 6,197
U S Agency And Government Sponsored Securities [Member]  
Net Investment Income [Line Items]  
Adjusted Cost 13,529
Unrealized Loss (1,025)
Fair Value 12,504
US Treasury Notes Securities [Member]  
Net Investment Income [Line Items]  
Adjusted Cost 11,836
Unrealized Loss (757)
Fair Value 11,079
Asset-Backed Securities [Member]  
Net Investment Income [Line Items]  
Adjusted Cost 1,453
Unrealized Loss (25)
Fair Value $ 1,428