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Stock-Based Compensation - Summary of Share Available for Grant Under the 2019 Plan (Details) - Equity Incentive Plan 2019 - $ / shares
shares in Thousands
 3 Months Ended
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Number of Shares      
Balance at the beginning of the year (in shares) 1,556 3,024 3,024
Balance at the end of the period (in shares) 1,592 1,556 3,024
Balance at the beginning of the year (in shares) 1,537 1,545 1,558
Options cancelled (in shares) (23) (8) (13)
Balance at the end of the period (in shares) 1,514 1,537 1,545
Weighted Average Exercise Prices      
Weighted-average exercise price (in dollars per share) $ 3.43 $ 3.43 $ 3.49
Options cancelled (in dollars per share) 2.57 2.63 10.98
Weighted-average exercise price (in dollars per share) $ 3.39 $ 3.43 $ 3.43
RSU's      
Number of Shares      
RSUs granted (in shares) (67) (1,511)  
RSUs cancelled and returned to the Plan 103 43