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Marketable Securities (Tables)
6 Months Ended
Jun. 30, 2022
Marketable Securities [Abstract]  
Marketable Securities
Marketable securities as of June 30, 2022 and December 31, 2021 consisted of the following:
June 30, 2022Amortized
Cost
Gross
Unrealized
Gains
Gross
Unrealized
Losses
Fair
Value
Money market mutual funds$5,157 $— $— $5,157 
Total marketable securities designated as available-for-sale$5,157 $— $— $5,157 
 
December 31, 2021Amortized
Cost
Gross
Unrealized
Gains
Gross
Unrealized
Losses
Fair
Value
Money market mutual funds$13,147 $— $— $13,147 
Total marketable securities designated as available-for-sale$13,147 $— $— $13,147