| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| Apr 25, 2012 | Quarterly report pursuant to Section 13 or 15(d) |
|
 |
73 | |
| Apr 24, 2012 | Current report filing |
|
7 | ||
| Apr 11, 2012 | Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
|
2 | ||
| Apr 04, 2012 | Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
|
3 | ||
| Mar 16, 2012 | Current report filing |
|
33 | ||
| Mar 15, 2012 | Current report filing |
|
5 | ||
| Mar 14, 2012 | Prospectus filed pursuant to Rule 424(b)(2) |
|
63 | ||
| Mar 13, 2012 | Current report filing |
|
43 | ||
| Mar 12, 2012 | Filing under Securities Act Rules 163/433 of free writing prospectuses |
|
3 | ||
| Mar 12, 2012 | Prospectus filed pursuant to Rule 424(b)(2) |
|
63 |