|
Consolidated Balance Sheets (Parenthetical) (USD $)
|
Mar. 31, 2012
|
Dec. 31, 2011
|
|---|---|---|
| COMMON STOCK | ||
| Common stock, par value | $ 0.0001 | $ 0.0001 |
| Common stock, authorized | 75,000,000 | 75,000,000 |
| Common stock, issued | 46,482,411 | 38,312,812 |