| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/11/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/11/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/10/13 | SC 13G/A | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions |
|
5 | |
| 03/22/13 | DEF 14A | Definitive proxy statements |
|
39 | |
| 03/15/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/15/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/11/13 | 10-K | Annual report pursuant to Section 13 and 15(d) |
|
   |
111 |
| 02/15/13 | 3/A | Initial statement of beneficial ownership of securities |
|
2 | |
| 02/14/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/14/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
