| Type | Description | Date | |
| 10-K | 10-K - Annual report [Section 13 and 15(d), not S-K Item 405] | March 28, 2013 | |
| 8-K | 8-K - Current report | March 25, 2013 | |
| 10-Q | 10-Q - Quarterly report [Sections 13 or 15(d)] | November 9, 2012 | |
| 10-Q | 10-Q - Quarterly report [Sections 13 or 15(d)] | August 1, 2012 | |
| 10-Q | 10-Q - Quarterly report [Sections 13 or 15(d)] | May 10, 2012 | |
| 10-K | 10-K - Annual report [Section 13 and 15(d), not S-K Item 405] | April 5, 2012 | |
| NT 10-K | NT 10-K - Notification of inability to timely file Form 10-K 405, 10-K, 10-KSB 405, 10-KSB, 10-KT, or 10-KT405 | March 29, 2012 | |
| 10-Q | 10-Q - Quarterly report [Sections 13 or 15(d)] | November 14, 2011 | |
| 8-K | 8-K - Current report | October 28, 2011 | |
| 8-K | 8-K - Current report | October 11, 2011 | |
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