| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/14/96 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 1 | |
| 02/09/95 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 1 | |
| 02/14/94 | SC 13G | Form SC 13G: Statement of Beneficial Ownership by Certain Investors | 3 |