SHARE BASED COMPENSATION - Narrative (Details) - USD ($)	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued during the period (in shares)	0	0
Fair value of options and RSUs granted	$ 0	$ 800,000
2019 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares reserved for future issuance (in shares)	63,410
2018 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares reserved for future issuance (in shares)	20,934
Increase in shares reserved for future issuance (in shares)	41,666
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares reserved for future issuance (in shares)	116,463
Percentage of fair market value used as purchase price	85.00%
Percent of annual earnings that may be used to purchase shares	15.00%

Aggregate number of common shares reserved for future issuance.

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-Name Accounting Standards Codification
-Topic 210
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Discount rate from fair value on purchase date that participants pay for shares.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The highest percentage of annual salary that an employee is permitted to utilize with respect to the plan.

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Number of shares issued during the period as a result of an employee stock purchase plan.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
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Common Stock, Increase in Capital Shares Reserved for Future Issuance

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Represents the total fair value of options and equity instruments other than options granted during the reporting period.

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