INVESTMENTS - Schedule of Debt Securities Classified as Available-for-Sale Investments (Details) - USD ($)	Sep. 30, 2023	Dec. 31, 2022
Debt and Equity Securities, FV-NI [Line Items]
Amortized Cost	$ 0	$ 9,757,000
Gross Unrealized Gains		0
Gross Unrealized Losses		(29,000)
Fair Value	$ 0	9,728,000
Certificates of deposit
Debt and Equity Securities, FV-NI [Line Items]
Amortized Cost		2,548,000
Gross Unrealized Gains		0
Gross Unrealized Losses		(7,000)
Fair Value		2,541,000
U.S. Treasury securities
Debt and Equity Securities, FV-NI [Line Items]
Amortized Cost		3,015,000
Gross Unrealized Gains		0
Gross Unrealized Losses		(6,000)
Fair Value		3,009,000
Commercial paper
Debt and Equity Securities, FV-NI [Line Items]
Amortized Cost		425,000
Gross Unrealized Gains		0
Gross Unrealized Losses		(1,000)
Fair Value		424,000
Corporate notes and bonds
Debt and Equity Securities, FV-NI [Line Items]
Amortized Cost		3,769,000
Gross Unrealized Gains		0
Gross Unrealized Losses		(15,000)
Fair Value		$ 3,754,000

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481800/320-10-50-2

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- Definition

Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481800/320-10-50-2

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- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481830/320-10-45-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479130/326-30-45-1

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as current.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481800/320-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479130/326-30-45-1

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