| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/12/99 | SC 13G | Form SC 13G: Statement of Beneficial Ownership by Certain Investors | 5 | |
| 02/12/99 | SC 13G | Form SC 13G: Statement of Beneficial Ownership by Certain Investors | 8 | |
| 02/10/99 | SC 13G | Form SC 13G: Statement of Beneficial Ownership by Certain Investors | 4 | |
| 02/10/99 | SC 13G | Form SC 13G: Statement of Beneficial Ownership by Certain Investors | 4 | |
| 02/08/99 | S-3 | Form S-3: Registration statement under Securities Act of 1933 | 64 | |
| 02/08/99 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 3 | |
| 02/08/99 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 5 | |
| 01/14/99 | 10-Q | Form 10-Q: Quarterly report [Sections 13 or 15(d)] | 16 | |
| 10/15/98 | 10-Q | Form 10-Q: Quarterly report [Sections 13 or 15(d)] | 16 | |
| 09/18/98 | 8-K | Form 8-K: Current report | 5 |