S-3ASR | Automatic shelf registration statement of securities of well-known seasoned issuers | Dec 21, 2015 |     |
FWP | Free Writing Prospectus | Mar 12, 2015 |     |
SC 13G/A | Amendment to a previously filed SC 13G | Feb 13, 2015 |    |
SC 13G/A | Amendment to a previously filed SC 13G | Feb 13, 2015 |    |
SC 13G/A | Amendment to a previously filed SC 13G | Feb 13, 2015 |    |
SC 13G/A | Amendment to a previously filed SC 13G | Feb 11, 2015 |     |
SC 13G/A | Amendment to a previously filed SC 13G | Feb 9, 2015 |    |
NO ACT | No Action Letters | Jan 27, 2015 |    |