The number of performance goals are subject to achieve under 2022 performance based restricted stock units.

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- Definition

Represents the number of performance goals not achieved under share-based payment arrangement.

+ References

No definition available.

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

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- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
-Subparagraph (g)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3536-108585

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- References

No definition available.

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- Definition

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.

+ References

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

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

+ References

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- Definition

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).

+ References

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ 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)(2)(ii)
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-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

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STOCK-BASED COMPENSATION, Summary of RSUs (Details) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022 USD ($) $ / shares shares	Jun. 30, 2021 USD ($) shares	Jun. 30, 2022 USD ($) Goals $ / shares shares	Jun. 30, 2021 USD ($) shares	Mar. 31, 2022 $ / shares
Stock-based Compensation [Abstract]
Share price (in dollars per share) \| $ / shares	$ 0.52		$ 0.52		$ 2.05
Stock-based compensation expense recognized \| $	$ 879	$ 1,154	$ 2,062	$ 1,573
RSU [Member]
Stock-based Compensation [Abstract]
Number of RSUs granted (in shares)	0	105,000	1,101,000	105,000
Number of stock units awards outstanding (in shares)	587,000		587,000
2022 PSUs [Member]
Stock-based Compensation [Abstract]
Number of performance goals are subject to achieve \| Goals			4
Restricted stock units vesting period			3 years
Number of performance goals not achieved \| Goals			1
Number of RSUs cancelled (in shares)			275,000
Stock-based compensation expense recognized \| $			$ 100
2022 PSUs [Member] \| Employees [Member]
Stock-based Compensation [Abstract]
Number of RSUs granted (in shares)			1,101,000
2022 PSUs [Member] \| Dr. Federoff [Member]
Stock-based Compensation [Abstract]
Number of RSUs granted (in shares)			414,000
Number of RSUs cancelled (in shares)			414,000
Lump sum cash severance paid \| $			$ 100
Share price (in dollars per share) \| $ / shares	$ 0.81		$ 0.81