|
JANUARY AND MARCH 2012 FINANCING (Details) (USD $)
|
12 Months Ended | 3 Months Ended | 12 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
Dec. 31, 2012
|
Mar. 31, 2013
Warrant [Member]
|
Dec. 31, 2012
Maximum [Member]
|
Dec. 31, 2012
Minimum [Member]
|
Dec. 31, 2012
Valuation Assumptions Issuance Date [Member]
Warrant [Member]
|
Dec. 31, 2012
Valuation Assumptions Issuance Date [Member]
Maximum [Member]
Warrant [Member]
|
Dec. 31, 2012
Valuation Assumptions Issuance Date [Member]
Minimum [Member]
Warrant [Member]
|
Dec. 31, 2012
Valuation Assumptions Expiration Date [Member]
Warrant [Member]
|
Dec. 31, 2012
Valuation Assumptions Expiration Date [Member]
Maximum [Member]
Warrant [Member]
|
Dec. 31, 2012
Valuation Assumptions Expiration Date [Member]
Minimum [Member]
Warrant [Member]
|
|
| Price of the Company's common stock (in dollars per share) | $ 12.40 | $ 12.40 | $ 17.00 | |||||||
| Expected dividend yield | 0.00% | 0.00% | 0.00% | 0.00% | ||||||
| Life of warrant | 5 years | 3 years | 2 years | 7 years | 5 years | 6 years 8 months 12 days | 4 years 7 months 6 days | |||
| Risk-free interest rate | 0.91% | 0.77% | 1.47% | 0.89% | 1.11% | 0.73% | ||||
| Expected stock price volatility | 102.46% | 94.00% | 73.00% | 96.69% | 96.68% | 95.73% | ||||
| Expected price at which holders are likely to exercise their warrants | $ 25.00 | $ 25.00 | ||||||||