| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/23/17 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 02/06/17 | 3 | Initial statement of beneficial ownership of securities | 
       
   | 
  2 | |
| 02/06/17 | 3 | Initial statement of beneficial ownership of securities | 
       
   | 
  2 | |
| 02/02/17 | 3 | Initial statement of beneficial ownership of securities | 
       
   | 
  2 | |
| 01/31/17 | 8-K | Current report filing | 
       
   | 
  3 | |
| 01/30/17 | SC 13G | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions | 
       
   | 
  5 | |
| 01/24/17 | 8-K | Current report filing | 
       
   | 
  13 | |
| 01/23/17 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 01/20/17 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 01/20/17 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | 

