| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/18/17 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 04/17/17 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | |
| 04/14/17 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 04/13/17 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 04/12/17 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 04/11/17 | 8-K | Current report filing | 
       
   | 
  39 | |
| 04/10/17 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 04/07/17 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | |
| 04/03/17 | 8-K | Current report filing | 
       
   | 
  30 | |
| 03/31/17 | 10-K | Annual report pursuant to Section 13 and 15(d) | 
       
   | 
  
                                | 
  131 | 



