LONG-TERM DEBT (Details) (USD $)	12 Months Ended		0 Months Ended	1 Months Ended		3 Months Ended
	Dec. 31, 2011	Dec. 31, 2012	Nov. 14, 2011 CIRM	Nov. 30, 2011 CIRM	Aug. 31, 2011 CIRM	Nov. 14, 2011 CIRM
LONG-TERM DEBT
Loan disbursed						$ 6,422,000
Loan repaid			6,459,000
Repayment towards accrued interest			37,000
Number of common stock shares to be purchased by warrants		1,619,275		461,382	537,893
Exercise Price (in dollars per share)				$ 2.32	$ 3.98
Term of warrant from the date of issuance				10 years	10 years
Interest expense						88,000
Amortized debt discount	51,000					51,000
Accrued interest			37,000			37,000
Loss on debt extinguishment	$ 1,664,000		$ 1,664,000