| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/20/18 | Registration statement for specified transactions by certain issuers | 
       
   | 
  21 | ||
| 04/18/18 | Registration Withdrawal Request | 
       
   | 
  3 | ||
| 04/04/18 | Current report filing | 
       
   | 
  4 | ||
| 04/02/18 | Initial statement of beneficial ownership of securities | 
       
   | 
  1 | ||
| 04/02/18 | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities | 
       
   | 
  40 | ||
| 03/29/18 | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities | 
       
   | 
  6 | ||
| 03/27/18 | Current report filing | 
       
   | 
  27 | ||
| 02/27/18 | Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 
       
   | 
  22 | ||
| 02/27/18 | Current report filing | 
       
   | 
  6 | ||
| 02/20/18 | Definitive proxy statements | 
       
   | 
  21 | 
