XML 37 R26.htm IDEA: XBRL DOCUMENT v3.21.1
B. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 3)
12 Months Ended
Dec. 31, 2020
USD ($)
Amortized cost $ 459,210
Accrued interest 3,551
Gross unrealized gains 128
Gross unrealized losses (202)
Estimated fair value 462,687
Corporate Debt Securities  
Amortized cost 459,210
Accrued interest 3,551
Gross unrealized gains 128
Gross unrealized losses (202)
Estimated fair value $ 462,687