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Company Description and Summary of Significant Accounting Policies, Equity Investments Measured at Fair Value (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Equity Investments [Abstract]    
Unrealized loss $ (170) $ (70)
Recurring Basis [Member] | Level 1 [Member] | Short- term investments [Member]    
Equity Investments [Abstract]    
Balance as of beginning of period 219 0
Receipt of investments related to license agreement 0 289
Unrealized loss (170) (70)
Balance as of end of period $ 49 $ 219