| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 01/19/96 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 6 | |
| 02/14/95 | SC 13G | Form SC 13G: Statement of Beneficial Ownership by Certain Investors | 3 | |
| 02/14/95 | SC 13G | Form SC 13G: Statement of Beneficial Ownership by Certain Investors | 3 | |
| 02/06/95 | SC 13G | Form SC 13G: Statement of Beneficial Ownership by Certain Investors | 6 | |
| 09/22/94 | SC 13D/A | Form SC 13D/A: General Statement of Acquisition of Beneficial Ownership | 4 | |
| 09/07/94 | SC 13D/A | Form SC 13D/A: General Statement of Acquisition of Beneficial Ownership | 4 | |
| 08/12/94 | SC 13D/A | Form SC 13D/A: General Statement of Acquisition of Beneficial Ownership | 3 | |
| 07/28/94 | SC 13D/A | Form SC 13D/A: General Statement of Acquisition of Beneficial Ownership | 4 | |
| 07/20/94 | SC 13D/A | Form SC 13D/A: General Statement of Acquisition of Beneficial Ownership | 4 |