|
8. FAIR VALUE MEASUREMENTS (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified |
9 Months Ended | 12 Months Ended |
|---|---|---|
|
Sep. 30, 2012
|
Dec. 31, 2011
|
|
| Significant assumptions used in the valuations | ||
| Fair value | $ 6,495 | $ 1,921 |
|
Warrants issued in October 2010 [Member]
|
||
| Significant assumptions used in the valuations | ||
| Exercise price | $ 0.12 | $ 0.45 |
| Volatility | 75.60% | 68.00% |
| Risk free interest rate | 0.62% | 1.09% |
| Term (years) | 5 years 1 month 7 days | 5 years 11 months 2 days |
| Marketability discount | 48.00% | 47.40% |
| Fair value | 43 | 226 |
|
Warrants issued in December 2011 [Member]
|
||
| Significant assumptions used in the valuations | ||
| Exercise price | $ 0.84 | $ 1.5 |
| Volatility | 77.70% | 68.00% |
| Risk free interest rate | 0.47% | 0.83% |
| Term (years) | 4 years 3 months 17 days | 4 years 11 months 16 days |
| Marketability discount | 55.90% | 52.00% |
| Fair value | 585 | 1,695 |
|
Warrants 1 Issued July 2012 [Member]
|
||
| Significant assumptions used in the valuations | ||
| Exercise price | $ 0.5 | |
| Volatility | 76.80% | |
| Risk free interest rate | 0.62% | |
| Term (years) | 4 years 9 months 10 days | |
| Marketability discount | 57.50% | |
| Fair value | 3,351 | |
|
Warrants 2 Issued July 2012 [Member]
|
||
| Significant assumptions used in the valuations | ||
| Exercise price | $ 0.43 | |
| Volatility | 73.90% | |
| Risk free interest rate | 0.17% | |
| Term (years) | 1 year 3 months 1 day | |
| Marketability discount | 57.50% | |
| Fair value | 858 | |
|
Warrants Issued September 2012 [Member]
|
||
| Significant assumptions used in the valuations | ||
| Exercise price | $ 0.59 | |
| Volatility | 74.10% | |
| Risk free interest rate | 0.31% | |
| Term (years) | 3 years | |
| Marketability discount | 58.50% | |
| Fair value | $ 1,658 |