SC 13G/A | SEC Filings Hub

Filing metadata

Accession number: 0000884300-11-000029
Form type: SC 13G
Filer: PERKINS CAPITAL MANAGEMENT INC
CIK: CIK 884300
Filed: Dec 09, 2011
Reporting period: Nov 30, 2011
Description: Passive 5%+ stake

Documents

0000884300-11-000029-index.htm

Complete submission

0000884300-11-000029.txt

directory listing

Filed by

PERKINS CAPITAL MANAGEMENT INC