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STOCKHOLDERS' EQUITY - WARRANTS (Details) - USD ($)		1 Months Ended
	Mar. 31, 2015	Dec. 31, 2014	Dec. 31, 2016
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
CIRM | Warrants Exercised In December 2014
Warrants
Number of shares into which warrant is converted upon exercise of warrant (in shares)		461,382
Issuance of common stock upon net exercise of warrants (in shares)		168,039

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
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