| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 03/27/98 | 10-K | Form 10-K: Annual report [Section 13 and 15(d), not S-K Item 405] | 41 | |
| 03/02/98 | 8-K | Form 8-K: Current report | 55 | |
| 11/06/97 | 424B1 | Form 424B1: Prospectus [Rule 424(b)(1)] | 52 | |
| 11/04/97 | S-3/A | Form S-3/A: Registration statement under Securities Act of 1933 | 82 | |
| 10/24/97 | 10-Q | Form 10-Q: Quarterly report [Sections 13 or 15(d)] | 141 | |
| 10/10/97 | S-3 | Form S-3: Registration statement under Securities Act of 1933 | 58 | |
| 08/13/97 | 10-Q | Form 10-Q: Quarterly report [Sections 13 or 15(d)] | 14 | |
| 05/12/97 | 10-Q | Form 10-Q: Quarterly report [Sections 13 or 15(d)] | 12 | |
| 04/21/97 | DEF 14A | Form DEF 14A: Definitive proxy statements | 15 | |
| 04/14/97 | 8-K | Form 8-K: Current report | 2 |