SC 13G | SEC Filings Hub

Filing metadata

Accession number: 0000884300-11-000017
Form type: SC 13G
Filer: PERKINS CAPITAL MANAGEMENT INC
CIK: CIK 884300
Filed: May 10, 2011
Reporting period: Apr 30, 2011
Description: Passive 5%+ stake

Documents

0000884300-11-000017-index.htm

Complete submission

0000884300-11-000017.txt

directory listing

Filed by

PERKINS CAPITAL MANAGEMENT INC