SHARE-BASED COMPENSATION - 2018 Plan (Details)	3 Months Ended	6 Months Ended
Jun. 30, 2022 shares	Jun. 30, 2022 shares
Stock options
Share-Based Compensation Awards
Term of award	10 years
2018 Plan
Share-Based Compensation Awards
Shares reserved for issuance pursuant to the plan	5,500,000	5,500,000
Annual increase on share reserve (as a percent)		4.00%
2018 Plan \| Stock options \| Employees and nonemployees owning less than 10% of voting power
Share-Based Compensation Awards
Term of award		10 years
Vesting period		4 years
2018 Plan \| Stock options \| Participants owning more than 10% of voting power
Share-Based Compensation Awards
Term of award		5 years
2018 Plan \| Stock options \| Participants owning more than 10% of voting power \| Minimum
Share-Based Compensation Awards
Ownership (as a percent)	10.00%	10.00%
Option price as percentage of fair market value of common stock on the date of grant		110.00%

Aggregate number of common shares reserved for future issuance.

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