| Date | Filing | Description | Pages |
| Jul 26, 2010 | 8-K (PDF) | Report of unscheduled material events or corporate changes. | 15 |
| Jun 24, 2010 | 8-K (PDF) | Report of unscheduled material events or corporate changes. | 132 |
| Jun 22, 2010 | 11-K/A (PDF) | Amendment to a previously filed 11-K | 20 |
| Jun 18, 2010 | 11-K (PDF) | An annual report of employee stock purchase savings and similar plans | 17 |
| May 10, 2010 | 10-Q (PDF) | Quarterly report which provides a continuing view of a company's financial position | 25 |
| Apr 26, 2010 | 8-K (PDF) | Report of unscheduled material events or corporate changes. | 11 |
| Apr 1, 2010 | 8-K (PDF) | Report of unscheduled material events or corporate changes. | 114 |
| Mar 16, 2010 | ARS (PDF) | An annual report to security holders. Voluntary EDGAR filing | 0 |
| Mar 15, 2010 | DEF 14A (PDF) | Official notification to shareholders of matters to be brought to a vote (Proxy) | 64 |
| Mar 1, 2010 | 10-K (PDF) | Annual report which provides a comprehensive overview of the company for the past year | 109 |
| Feb 16, 2010 | 8-K (PDF) | Report of unscheduled material events or corporate changes. | 4 |
| Feb 8, 2010 | 8-K (PDF) | Report of unscheduled material events or corporate changes. | 12 |
| Jan 8, 2010 | 8-K (PDF) | Report of unscheduled material events or corporate changes. | 9 |
| Jan 29, 2010 | SC 13G (PDF) | A statement of beneficial ownership of common stock by certain persons | 1 |
| Feb 8, 2010 | SC 13G/A (PDF) | An amendment to the SC 13G filing | 5 |
| Feb 12, 2010 | SC 13G/A (PDF) | An amendment to the SC 13G filing | 4 |
| Feb 12, 2010 | SC 13G/A (PDF) | An amendment to the SC 13G filing | 1 |
| Jan 26, 2010 | SC 13G/A (PDF) | An amendment to the SC 13G filing | 1 |
| Mar 16, 2010 | SC 13G/A (PDF) | An amendment to the SC 13G filing | 8 |
| Feb 16, 2010 | SC 13G/A (PDF) | An amendment to the SC 13G filing | 7 |