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Stock-Based Compensation (Tables)
3 Months Ended
Mar. 31, 2021
Share-based Payment Arrangement [Abstract]  
Stock-based Compensation Expense
Stock-based compensation expense has been reported in the Company’s condensed statements of operations for the three months ended March 31, 2021 and 2020 as follows (in thousands):

Three Months Ended
March 31,
20212020
General and administrative
$475 $340 
Research and development
195 131 
Total stock-based compensation
$670 $471