| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/09/13 | 8-K | Current report filing |
|
20 | |
| 04/30/13 | ARS | Annual report to security holders |
|
1 | |
| 04/30/13 | DEF 14A | Definitive proxy statements |
|
31 | |
| 03/18/13 | 10-K | Annual report pursuant to Section 13 and 15(d) |
|
   |
135 |
| 03/18/13 | 8-K | Current report filing |
|
25 | |
| 02/28/13 | 8-K | Current report filing |
|
6 | |
| 02/15/13 | 8-K | Current report filing |
|
6 | |
| 02/14/13 | 5 | Annual statement of changes in beneficial ownership of securities |
|
2 | |
| 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 |
|
5 | |
| 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 |
|
5 |
