FILINGS
| CHSCM 0000823277 | |||
|---|---|---|---|
| Filing Date | Form Type | Description | Document |
| 1998-08-27 | 10-K | View Document | |
| 1998-08-13 | 8-K/A | View Document | |
| 1998-06-10 | 8-K | View Document | |
| 1998-04-08 | 10-Q | View Document | |
| 1998-04-07 | SC 13D/A | View Document | |
| 1998-03-06 | SC 13D | View Document | |
| 1998-01-12 | 10-Q | View Document | |
| 1997-12-12 | S-8 | View Document | |
| 1997-10-10 | 10-Q | View Document | |
| 1997-08-26 | 10-K | View Document | |
| 1997-06-30 | POS AM | View Document | |
| 1997-04-16 | 424B3 | View Document | |
| 1997-04-11 | 10-Q | View Document | |
| 1997-02-19 | 424B3 | View Document | |
| 1997-02-07 | S-1/A | View Document | |
| 1997-01-24 | S-1/A | View Document | |
| 1996-12-13 | S-1 | View Document | |
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