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LONG-TERM DEBT (Details) (USD $)	0 Months Ended	12 Months Ended
	Nov. 14, 2011	Dec. 31, 2011
LONG-TERM DEBT
Amortized debt discount		$ 51,000
Loss on debt extinguishment		1,664,000
CIRM
LONG-TERM DEBT
Loan disbursed	6,422,000
Loan repaid	6,459,000
Repayment towards accrued interest	37,000
Interest expense		88,000
Amortized debt discount		51,000
Accrued interest		37,000
Loss on debt extinguishment		$ 1,664,000

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Represents the portion of the full loan repayment applied to accrued interest.

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Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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Face (par) amount of debt instrument at time of issuance.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Aggregate amount of interest expense on all borrowings.

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Amount of interest payable on debt, including, but not limited to, trade payables.

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