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SUBSEQUENT EVENTS - Director Fees (Details) - Non-employee director - 2021 Plan | 1 Months Ended
--- | ---
Aug. 31, 2021 USD ($)
Subsequent Event [Line Items] |
Fees as cash retainer for board service | $ 25,000
Additional annual cash retainers for each member of compensation committee or nominating and governance committee | 2,000
Additional annual cash retainers for the chairman of compensation committee or nominating and governance committee | 5,000
Additional annual cash retainers for each member of audit committee | 8,000
Additional annual cash retainers for the chairman of audit committee | 45,000
Value of stock option to purchase shares of common stock | $ 75,000
Vesting period | 1 year
Threshold number of in-person meetings to be entitled to additional compensation | 4
Threshold number of telephonic meetings to be entitled to additional compensation | 12
Additional compensation in the event directors are required to attend additional telephonic meeting beyond the 12 telephonic meeting thresholds | $ 500
Additional compensation in the event directors are required to attend additional in-person meeting beyond the four in-person meeting threshold | $ 1,000

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