| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 11/15/99 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  16 | |
| 08/16/99 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  16 | |
| 05/14/99 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  27 | |
| 11/16/98 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  105 | |
| 08/13/98 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  14 | |
| 05/15/98 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  11 | |
| 11/14/97 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  13 | |
| 08/14/97 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  14 | |
| 05/14/97 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  11 | |
| 11/13/96 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  15 | 
