| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/14/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/13/13 | 8-K | Current report filing |
|
255 | |
| 05/10/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/26/13 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) |
|
   |
43 |
| 04/23/13 | 8-K | Current report filing |
|
23 | |
| 04/18/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/18/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/18/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/18/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/18/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
