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STOCKHOLDERS' EQUITY - CIRM WARRANT (Details) - CIRM	Dec. 31, 2020 $ / shares shares
Warrants
Exercise Price (in dollars per share) | $ / shares	$ 3.98
Number of shares into which warrant is converted upon exercise of warrant (in shares) | shares	537,893

X

- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644

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+ References

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- Definition

Number of securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares.

+ References

No definition available.

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