| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/07/13 | 8-K | Current report filing |
|
7 | |
| 04/03/13 | ARS | Annual report to security holders |
|
77 | |
| 04/03/13 | DEF 14A | Definitive proxy statements |
|
45 | |
| 03/28/13 | 10-K | Annual report pursuant to Section 13 and 15(d) |
|
   |
81 |
| 03/26/13 | 8-K | Current report filing |
|
7 | |
| 02/28/13 | 8-K | Current report filing |
|
4 | |
| 02/06/13 | 8-K | Current report filing |
|
2 | |
| 01/02/13 | 8-K | Current report filing |
|
3 | |
| 12/28/12 | 8-K | Current report filing |
|
3 | |
| 12/20/12 | 8-K | Current report filing |
|
5 |
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