Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001047469-12-001998-index-headers.html | 2012-03-01 17:05:47 | |
| 0001047469-12-001998-index.html | 2012-03-01 17:05:47 | |
| 0001047469-12-001998.txt | 2012-03-01 17:05:47 | |
 0001047469-12-001998-xbrl.zip | 269092 | 2012-03-01 17:05:47 |
| a2207390z10-k.htm | 1342641 | 2012-03-01 17:05:47 |
| a2207390zex-21.htm | 24052 | 2012-03-01 17:05:47 |
| a2207390zex-23.htm | 2911 | 2012-03-01 17:05:47 |
| a2207390zex-31_1.htm | 8295 | 2012-03-01 17:05:47 |
| a2207390zex-31_2.htm | 8305 | 2012-03-01 17:05:47 |
| a2207390zex-32.htm | 5313 | 2012-03-01 17:05:47 |
| FilingSummary.xml | 37778 | 2012-03-01 17:05:47 |
| Financial_Report.xls | 1428728 | 2012-03-01 17:05:47 |
 g417880.jpg | 11656 | 2012-03-01 17:05:47 |
 g421601.jpg | 11285 | 2012-03-01 17:05:47 |
 g667689.jpg | 11261 | 2012-03-01 17:05:47 |
 g741675.jpg | 12303 | 2012-03-01 17:05:47 |
 g76232.jpg | 11883 | 2012-03-01 17:05:47 |
 g896916.jpg | 10758 | 2012-03-01 17:05:47 |
 g911150.jpg | 62126 | 2012-03-01 17:05:47 |
| pwer-20120101.xml | 1649323 | 2012-03-01 17:05:47 |
| pwer-20120101.xsd | 88144 | 2012-03-01 17:05:47 |
| pwer-20120101_cal.xml | 129253 | 2012-03-01 17:05:47 |
| pwer-20120101_def.xml | 412118 | 2012-03-01 17:05:47 |
| pwer-20120101_lab.xml | 1524552 | 2012-03-01 17:05:47 |
| pwer-20120101_pre.xml | 688363 | 2012-03-01 17:05:47 |
| R1.htm | 37318 | 2012-03-01 17:05:47 |
| R10.htm | 44606 | 2012-03-01 17:05:47 |
| R11.htm | 13429 | 2012-03-01 17:05:47 |
| R12.htm | 31409 | 2012-03-01 17:05:47 |
| R13.htm | 15475 | 2012-03-01 17:05:47 |
| R14.htm | 8834 | 2012-03-01 17:05:47 |
| R15.htm | 13725 | 2012-03-01 17:05:47 |
| R16.htm | 18288 | 2012-03-01 17:05:47 |
| R17.htm | 49009 | 2012-03-01 17:05:47 |
| R18.htm | 8120 | 2012-03-01 17:05:47 |
| R19.htm | 14606 | 2012-03-01 17:05:47 |
| R2.htm | 123065 | 2012-03-01 17:05:47 |
| R20.htm | 16316 | 2012-03-01 17:05:47 |
| R21.htm | 23260 | 2012-03-01 17:05:47 |
| R22.htm | 13780 | 2012-03-01 17:05:47 |
| R23.htm | 18673 | 2012-03-01 17:05:47 |
| R24.htm | 109059 | 2012-03-01 17:05:47 |
| R25.htm | 103957 | 2012-03-01 17:05:47 |
| R26.htm | 15011 | 2012-03-01 17:05:47 |
| R27.htm | 118997 | 2012-03-01 17:05:47 |
| R28.htm | 32551 | 2012-03-01 17:05:47 |
| R29.htm | 13479 | 2012-03-01 17:05:47 |
| R3.htm | 121247 | 2012-03-01 17:05:47 |
| R30.htm | 33936 | 2012-03-01 17:05:47 |
| R31.htm | 121139 | 2012-03-01 17:05:47 |
| R32.htm | 11295 | 2012-03-01 17:05:47 |
| R33.htm | 17021 | 2012-03-01 17:05:47 |
| R34.htm | 47584 | 2012-03-01 17:05:47 |
| R35.htm | 13947 | 2012-03-01 17:05:47 |
| R36.htm | 14717 | 2012-03-01 17:05:47 |
| R37.htm | 21475 | 2012-03-01 17:05:47 |
| R38.htm | 13763 | 2012-03-01 17:05:47 |
| R39.htm | 11786 | 2012-03-01 17:05:47 |
| R4.htm | 55476 | 2012-03-01 17:05:47 |
| R40.htm | 106200 | 2012-03-01 17:05:47 |
| R41.htm | 104317 | 2012-03-01 17:05:47 |
| R42.htm | 123493 | 2012-03-01 17:05:47 |
| R43.htm | 26068 | 2012-03-01 17:05:47 |
| R44.htm | 20407 | 2012-03-01 17:05:47 |
| R45.htm | 71650 | 2012-03-01 17:05:47 |
| R46.htm | 5931 | 2012-03-01 17:05:47 |
| R47.htm | 16034 | 2012-03-01 17:05:47 |
| R48.htm | 21627 | 2012-03-01 17:05:47 |
| R49.htm | 37136 | 2012-03-01 17:05:47 |
| R5.htm | 32456 | 2012-03-01 17:05:47 |
| R50.htm | 81315 | 2012-03-01 17:05:47 |
| R51.htm | 27834 | 2012-03-01 17:05:47 |
| R52.htm | 30867 | 2012-03-01 17:05:47 |
| R53.htm | 29646 | 2012-03-01 17:05:47 |
| R54.htm | 33745 | 2012-03-01 17:05:47 |
| R55.htm | 59984 | 2012-03-01 17:05:47 |
| R56.htm | 66250 | 2012-03-01 17:05:47 |
| R57.htm | 107194 | 2012-03-01 17:05:47 |
| R58.htm | 46756 | 2012-03-01 17:05:47 |
| R59.htm | 264448 | 2012-03-01 17:05:47 |
| R6.htm | 9835 | 2012-03-01 17:05:47 |
| R60.htm | 53338 | 2012-03-01 17:05:47 |
| R61.htm | 75380 | 2012-03-01 17:05:47 |
| R62.htm | 5491 | 2012-03-01 17:05:47 |
| R63.htm | 22410 | 2012-03-01 17:05:47 |
| R64.htm | 56520 | 2012-03-01 17:05:47 |
| R65.htm | 107257 | 2012-03-01 17:05:47 |
| R66.htm | 74712 | 2012-03-01 17:05:47 |
| R67.htm | 49636 | 2012-03-01 17:05:47 |
| R68.htm | 61088 | 2012-03-01 17:05:47 |
| R69.htm | 24969 | 2012-03-01 17:05:47 |
| R7.htm | 116864 | 2012-03-01 17:05:47 |
| R70.htm | 20764 | 2012-03-01 17:05:47 |
| R8.htm | 5415 | 2012-03-01 17:05:47 |
| R9.htm | 225421 | 2012-03-01 17:05:47 |
| report.css | 2721 | 2012-03-01 17:05:47 |
| Show.js | 6423 | 2012-03-01 17:05:47 |