| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 06/28/16 | 11-K | Annual report of employee stock purchase, savings and similar plans | 
       
   | 
  23 | |
| 06/20/16 | SC 13D/A | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities | 
       
   | 
  9 | |
| 06/17/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 06/15/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 05/06/16 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  
                                | 
  46 | 
| 05/04/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  4 | |
| 04/29/16 | 8-K | Current report filing | 
       
   | 
  3 | |
| 04/25/16 | 8-K | Current report filing | 
       
   | 
  14 | |
| 04/18/16 | 8-K | Current report filing | 
       
   | 
  3 | |
| 03/08/16 | DEFA14A | Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 
       
   | 
  5 | 




