| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/12/13 | Annual report pursuant to Section 13 and 15(d) |
|
 |
136 | |
| 03/05/13 | Current report filing |
|
2 | ||
| 02/13/13 | Annual statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/11/13 | 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 | ||
| 02/07/13 | 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 | ||
| 01/28/13 | Current report filing |
|
43 | ||
| 12/20/12 | SEC-generated letter |
|
1 | ||
| 12/19/12 | Current report filing |
|
14 | ||
| 12/07/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 12/07/12 | Statement of changes in beneficial ownership of securities |
|
2 |