| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 08/16/99 | 10-Q | Form 10-Q: Quarterly report [Sections 13 or 15(d)] | 13 | |
| 05/19/99 | S-3/A | Form S-3/A: Registration statement under Securities Act of 1933 | 31 | |
| 05/17/99 | 10-Q | Form 10-Q: Quarterly report [Sections 13 or 15(d)] | 10 | |
| 05/13/99 | 8-K | Form 8-K: Current report | 5 | |
| 05/05/99 | SC 13G | Form SC 13G: Statement of Beneficial Ownership by Certain Investors | 3 | |
| 04/30/99 | S-3/A | Form S-3/A: Registration statement under Securities Act of 1933 | 121 | |
| 04/29/99 | S-3 | Form S-3: Registration statement under Securities Act of 1933 | 33 | |
| 04/12/99 | DEF 14A | Form DEF 14A: Definitive proxy statements | 19 | |
| 04/02/99 | PRE 14A | Form PRE 14A: Preliminary proxy statement not related to a contested matter or merger/acquisition | 19 | |
| 03/30/99 | 10-K405 | Form 10-K405: Annual report [Sections 13 and 15(d), S-K Item 405] | 88 |