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Name	Size	Last Modified
0001085869-12-000018-index-headers.html		2012-05-03 09:42:55
0001085869-12-000018-index.html		2012-05-03 09:42:55
0001085869-12-000018.txt		2012-05-03 09:42:55
0001085869-12-000018-xbrl.zip	63322	2012-05-03 09:42:55
ceoandcfocert.htm	10622	2012-05-03 09:42:55
ceocert.htm	15124	2012-05-03 09:42:55
cfocert.htm	15448	2012-05-03 09:42:55
FilingSummary.xml	9844	2012-05-03 09:42:55
Financial_Report.xls	1235656	2012-05-03 09:42:55
form10q.htm	746923	2012-05-03 09:42:55
prft-20120331.xml	1291097	2012-05-03 09:42:55
prft-20120331.xsd	12205	2012-05-03 09:42:55
prft-20120331_cal.xml	38707	2012-05-03 09:42:55
prft-20120331_def.xml	12385	2012-05-03 09:42:55
prft-20120331_lab.xml	136313	2012-05-03 09:42:55
prft-20120331_pre.xml	92429	2012-05-03 09:42:55
R1.htm	28839	2012-05-03 09:42:55
R10.htm	179739	2012-05-03 09:42:55
R11.htm	162910	2012-05-03 09:42:55
R12.htm	57476	2012-05-03 09:42:55
R13.htm	274835	2012-05-03 09:42:55
R14.htm	220604	2012-05-03 09:42:55
R15.htm	243923	2012-05-03 09:42:55
R16.htm	16014	2012-05-03 09:42:55
R17.htm	17031	2012-05-03 09:42:55
R18.htm	15798	2012-05-03 09:42:55
R2.htm	100446	2012-05-03 09:42:55
R3.htm	19043	2012-05-03 09:42:55
R4.htm	92421	2012-05-03 09:42:55
R5.htm	24862	2012-05-03 09:42:55
R6.htm	62369	2012-05-03 09:42:55
R7.htm	129542	2012-05-03 09:42:55
R8.htm	14019	2012-05-03 09:42:55
R9.htm	48330	2012-05-03 09:42:55
report.css	2721	2012-05-03 09:42:55
Show.js	6423	2012-05-03 09:42:55