$CERS SEC Filings

Filing Filed On
FORM 4/A - 30 May 2007
FORM 4/A - 30 May 2007
FORM 4 - 10 May 2007
FORM 4 - 08 May 2007
FORM 10-Q 02 May 2007
FORM 8-K 01 May 2007
FORM 8-K 30 Apr 2007
DEFINITIVE PROXY STATEMENT 30 Apr 2007
UPLOAD 24 Apr 2007
FORM 4 - 17 Apr 2007
CORRESP 10 Apr 2007
UPLOAD 27 Mar 2007
FORM 4 - 01 Mar 2007
FORM 4 - 28 Feb 2007
FORM 10-K 26 Feb 2007
CURRENT REPORT DATED FEBRUARY 22, 2007 23 Feb 2007
AMENDMENT NO. 3 16 Feb 2007
SC 13G/A 13 Feb 2007
CERS AS OF 12-31-2006 13 Feb 2007
FORM 4 - 09 Jan 2007