SC 13G/A | SEC Filings Hub

Filing metadata

Accession number: 0000892712-11-000337
Form type: SC 13G
Filer: KOPP INVESTMENT ADVISORS LLC
CIK: CIK 884306
Filed: Apr 29, 2011
Reporting period: Apr 21, 2011
Description: Passive 5%+ stake

Documents

0000892712-11-000337-index.htm

Complete submission

0000892712-11-000337.txt

directory listing

Filed by

KOPP INVESTMENT ADVISORS LLC