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STOCKHOLDERS' EQUITY - WARRANTS (Details) - USD ($)	Mar. 31, 2015	Dec. 31, 2017
Warrants Exercised In March 2015
Warrants
Exercise Price (in dollars per share)	$ 3.75
Issuance of common stock upon exercise of warrants (in shares)	235,000
Proceeds from Warrant Exercises	$ 881,000
CIRM | Warrants issued in August 2011
Warrants
Exercise Price (in dollars per share)		$ 3.98
Number of shares into which warrant is converted upon exercise of warrant (in shares)		537,893

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- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(4))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section S99
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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