|
Stockholders' Equity (Details)
|
12 Months Ended |
|---|---|
|
Dec. 31, 2012
item
|
|
|
Class A common stock
|
|
| Stockholders Equity (Deficit) | |
| Votes per share | 1 |
|
Class B common stock
|
|
| Stockholders Equity (Deficit) | |
| Votes per share | 10 |
| Number of shares of Class A common stock into which each share of common stock is convertible | 1 |
|
Class C common stock
|
|
| Stockholders Equity (Deficit) | |
| Votes per share | 1 |
| Number of shares of Class A common stock into which each share of common stock is convertible | 1 |
| Votes per share in event of change of control | 10 |