$PERI SEC Filings

Filing Filed On
6-K 07 Sep 2011
6-K 01 Sep 2011
6-K 15 Aug 2011
6-K 08 Aug 2011
6-K 01 Aug 2011
6-K 12 May 2011
6-K 17 Mar 2011
6-K 10 Mar 2011
6-K 26 Jan 2011
6-K 10 Jan 2011
6-K 06 Jan 2011
6-K 03 Jan 2011
6-K 27 Dec 2010
6-K 15 Nov 2010
6-K 04 Nov 2010
6-K 14 Oct 2010
6-K 02 Sep 2010
6-K 12 Aug 2010
6-K 07 Jul 2010
6-K 23 Jun 2010