$CHKR SEC Filings

Filing Filed On
CORRESP 18 Oct 2011
AMENDMENT NO.3 TO FORM S-1 18 Oct 2011
UPLOAD 03 Oct 2011
AMENDMENT NO. 2 TO FORM S-1 19 Sep 2011
CORRESP 16 Sep 2011
UPLOAD 06 Sep 2011
CORRESP 19 Aug 2011
AMENDMENT NO. 1 TO FORM S-1 19 Aug 2011
UPLOAD 04 Aug 2011
FORM S-1 07 Jul 2011