SUBSEQUENT EVENTS (Details) - Subsequent Event - USD ($) $ in Thousands	Apr. 04, 2022	Apr. 01, 2022
Current Chief Executive Officer
Subsequent Event [Line Items]
Sign-on bonus	$ 100
Options granted (in shares)	20,000
Current Chief Executive Officer \| Restricted stock
Subsequent Event [Line Items]
Equity instruments other than options granted (in shares)	20,000
Award vesting period	4 years
Current Chief Executive Officer \| Options
Subsequent Event [Line Items]
Award vesting period	4 years
Former Chief Executive Officer
Subsequent Event [Line Items]
Payments for cancellation of employee agreement		$ 600
Share-based compensation arrangement by share-based payment award, accelerated vesting, number (in shares)		202,400
Share-based compensation arrangement by share-based payment award, accelerated vesting, value		$ 400
Postemployment benefit liability, benefit coverage period		18 months
Postemployment benefits liability (less then)		$ 100

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Accelerated Vesting, Value

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Carrying value as of the balance sheet date of obligations incurred and payable for incentive compensation awarded to employees and directors or earned by them based on the terms of one or more relevant arrangements.

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Cash outflows for payments of postemployment benefits (such as severance pay and health insurance benefits) recognized during the period. Postemployment benefits are benefits paid to employees after employment but before retirement.

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The carrying amount as of the balance sheet date of the obligations recognized for the various benefits provided to former or inactive employees, their beneficiaries, and covered dependents after employment but before retirement.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

Gross number of share options (or share units) granted during the period.

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Number of shares for which recognition of cost was accelerated for award under share-based payment arrangement.

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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