| Date | Filing | Description | Pages | Downloads | Size |
| Jan 5, 2012 | 8-K (PDF) | Report of unscheduled material events or corporate event | 5 | (PDF) | 26.29 KB |
| Jan 9, 2012 | 8-K (PDF) | Report of unscheduled material events or corporate event | 10 | (PDF) | 78.17 KB |
| Jan 10, 2012 | SC 13G/A (PDF) | An amendment to the SC 13G filing | 7 | (PDF) | 11.37 KB |
| Jan 12, 2012 | SC 13D/A (PDF) | An amendment to a SC 13D filing | 19 | (PDF) | 333.08 KB |
| Jan 20, 2012 | 8-K (PDF) | Report of unscheduled material events or corporate event | 39 | (PDF) | 302.50 KB |
| Jan 25, 2012 | SC 13G/A (PDF) | An amendment to the SC 13G filing | 6 | (PDF) | 41.69 KB |
| Feb 1, 2012 | 8-K (PDF) | Report of unscheduled material events or corporate event | 59 | (PDF) | 489.83 KB |
| Feb 3, 2012 | 8-K (PDF) | Report of unscheduled material events or corporate event | 19 | (PDF) | 88.51 KB |
| Feb 6, 2012 | 8-K (PDF) | Report of unscheduled material events or corporate event | 11 | (PDF) | 193.23 KB |
| Feb 7, 2012 | 8-K/A (PDF) | Amendment to a previously filed 8-K | 11 | (PDF) | 193.64 KB |
| Feb 9, 2012 | SC 13G/A (PDF) | An amendment to the SC 13G filing | 5 | (PDF) | 33.27 KB |
| Feb 10, 2012 | SC 13G (PDF) | A statement of beneficial ownership of common stock by certain persons | 5 | (PDF) | 43.55 KB |
| Feb 13, 2012 | SC 13D/A (PDF) | An amendment to a SC 13D filing | 30 | (PDF) | 420.55 KB |
| Feb 13, 2012 | 8-K (PDF) | Report of unscheduled material events or corporate event | 18 | (PDF) | 122.03 KB |
| Feb 14, 2012 | SC 13G/A (PDF) | An amendment to the SC 13G filing | 5 | (PDF) | 59.90 KB |
| Feb 21, 2012 | 8-K (PDF) | Report of unscheduled material events or corporate event | 16 | (PDF) | 120.64 KB |
| Feb 29, 2012 | 10-K (PDF) | Annual report which provides a comprehensive overview of the company for the past year | 123 | (PDF)
- (XBRL) | 6352.52 KB |
| Mar 5, 2012 | 8-K (PDF) | Report of unscheduled material events or corporate event | 2 | (PDF) | 20.63 KB |
| Mar 5, 2012 | SC 13G/A (PDF) | An amendment to the SC 13G filing | 6 | (PDF) | 44.27 KB |
| Mar 15, 2012 | DEF 14A (PDF) | Official notification to shareholders of matters to be brought to a vote ("Proxy") | 41 | (PDF) | 2277.91 KB |
| Mar 19, 2012 | ARS (PDF) | An annual report to security holders | 0 | (PDF) | 0.00 KB |
| Apr 10, 2012 | 8-K (PDF) | Report of unscheduled material events or corporate event | 2 | (PDF) | 12.16 KB |
| Apr 24, 2012 | 8-K (PDF) | Report of unscheduled material events or corporate event | 3 | (PDF) | 26.17 KB |
| Apr 30, 2012 | 8-K (PDF) | Report of unscheduled material events or corporate event | 11 | (PDF) | 142.50 KB |
| May 4, 2012 | 8-K (PDF) | Report of unscheduled material events or corporate event | 2 | (PDF) | 17.93 KB |
| May 9, 2012 | 10-Q (PDF) | Quarterly report which provides a continuing view of a company's financial position | 45 | (PDF)
- (XBRL) | 2165.86 KB |