| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/15/13 | 10-K | Annual report pursuant to Section 13 and 15(d) |
|
   |
154 |
| 03/05/13 | 8-K | Current report filing |
|
22 | |
| 02/14/13 | 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 |
|
4 | |
| 02/08/13 | 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 | |
| 01/24/13 | 8-K | Current report filing |
|
15 | |
| 01/10/13 | 8-K | Current report filing |
|
5 | |
| 12/21/12 | 3 | Initial statement of beneficial ownership of securities |
|
1 | |
| 12/18/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/18/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/18/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
