| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/29/17 | 8-K | Current report filing | 
       
   | 
  6 | |
| 03/29/17 | 8-K | Current report filing | 
       
   | 
  6 | |
| 03/27/17 | 8-K | Current report filing | 
       
   | 
  6 | |
| 03/23/17 | 8-K | Current report filing | 
       
   | 
  6 | |
| 03/16/17 | NT 10-K | Notice under Rule 12b25 of inability to timely file all or part of a Form 10-K, 10-KSB, or 10-KT | 
       
   | 
  3 | |
| 03/07/17 | 8-K | Current report filing | 
       
   | 
  6 | |
| 03/03/17 | 8-K | Current report filing | 
       
   | 
  6 | |
| 02/28/17 | 8-K | Current report filing | 
       
   | 
  5 | |
| 02/23/17 | 424B5 | Prospectus filed pursuant to Rule 424(b)(5) | 
       
   | 
  82 | |
| 02/23/17 | 8-K | Current report filing | 
       
   | 
  62 | 
