|
Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data |
Jun. 30, 2011
|
Dec. 31, 2010
|
|---|---|---|
| Consolidated Balance Sheets (Parenthetical) | Â | Â |
| Allowance for doubtful accounts receivable | $ 2,219 | $ 2,790 |
| Preferred stock, par value per share | $ 0.01 | $ 0.01 |
| Preferred stock, shares authorized | 5,000,000 | 5,000,000 |
| Preferred stock, shares outstanding at liquidation preference | 10,000 | 10,000 |
| Common stock, par value per share | $ 0.01 | $ 0.01 |
| Common stock, shares authorized | 190,000,000 | 190,000,000 |
| Common stock, shares outstanding | 87,050,423 | 79,605,474 |