$PERI SEC Filings

Filing Filed On
6-K 07 Mar 2013
6-K 06 Feb 2013
6-K 31 Jan 2013
6-K 23 Jan 2013
6-K 08 Jan 2013
6-K 03 Dec 2012
6-K 08 Nov 2012
6-K 01 Nov 2012
6-K 27 Sep 2012
6-K 20 Sep 2012
6-K 10 Sep 2012
6-K 09 Aug 2012
6-K 08 Aug 2012
6-K 15 May 2012
6-K 06 Mar 2012
6-K 11 Jan 2012
6-K 14 Nov 2011
6-K 09 Nov 2011
6-K 31 Oct 2011
6-K 15 Sep 2011