|
Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified |
Dec. 31, 2011
|
Dec. 31, 2010
|
|---|---|---|
| Balance Sheets [Abstract] | ||
| Accounts receivable, net of allowance | $ 31 | $ 0 |
| Preferred stock, par value | $ 0.01 | $ 0.01 |
| Preferred stock, shares authorized | 1,000,000 | 1,000,000 |
| Preferred stock, shares issued | ||
| Preferred stock, shares outstanding | ||
| Common stock, par value | $ 0.01 | $ 0.01 |
| Common stock, shares authorized | 100,000,000 | 100,000,000 |
| Common stock, shares issued | 60,977,210 | 52,178,834 |
| Common stock, shares outstanding | 60,687,478 | 51,889,102 |
| Treasury stock, shares | 289,732 | 289,732 |