|
Balance Sheets (Parenthetical) (USD $)
|
Sep. 30, 2013
|
Dec. 31, 2012
|
|---|---|---|
| Balance Sheets | ||
| Preferred stock, par value (in dollars per share) | $ 0.001 | $ 0.001 |
| Preferred stock, authorized shares | 10,000,000 | 10,000,000 |
| Preferred stock, issued shares | 0 | 8,804 |
| Preferred stock, outstanding shares | 0 | 8,804 |
| Common stock, par value (in dollars per share) | $ 0.001 | $ 0.001 |
| Common stock, authorized shares | 90,000,000 | 90,000,000 |
| Common stock, issued shares | 31,329,179 | 20,023,949 |
| Common stock, outstanding shares | 31,329,179 | 20,023,949 |
| Treasury shares, shares | 42,433 | 0 |