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SHAREHOLDERS' EQUITY - Non-vested Options Outstanding and Exercisable (Details) - $ / shares shares in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares
Stock options granted (in shares)		95	510
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value
Stock options granted (in dollars per share)		$ 1.22	$ 1.22
Amended and Restated Equity Incentive Plan and Non-related Plan Options
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares
Balance at the beginning of the period (in shares)	390
Stock options cancelled/forfeited (in shares)	(99)
Stock options vested (in shares)	(165)
Balance at the end of the period (in shares)	126	390
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value
Balance at the beginning of the period (in dollars per share)	$ 4.26
Stock options cancelled/forfeited (in dollars per share)	4.16
Stock options vested (in dollars per share)	4.40
Balance at the end of the period (in dollars per share)	$ 4.15	$ 4.26

X

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(01)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)(1)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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- Definition

Number of non-vested options outstanding.

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- Definition

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