| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 06/01/15 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 06/01/15 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 06/01/15 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 06/01/15 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 06/01/15 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 05/13/15 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 05/12/15 | 8-K | Current report filing | 
       
   | 
  47 | |
| 05/12/15 | 8-K/A | Current report filing | 
       
   | 
  6 | |
| 05/08/15 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  
                                | 
  17 | 
| 05/08/15 | 8-K/A | Current report filing | 
       
   | 
  23 | 



