| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/14/12 | DEF 14A | Definitive proxy statements |
|
29 | |
| 03/07/12 | 10-K | Annual report pursuant to Section 13 and 15(d) |
|
   |
67 |
| 02/06/12 | 8-K | Current report filing |
|
2 | |
| 01/11/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/04/12 | 8-K | Current report filing |
|
15 | |
| 12/16/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/16/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/16/11 | SC 13D/A | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities |
|
4 | |
| 12/05/11 | 8-K | Current report filing |
|
2 | |
| 11/18/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
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