Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000928953-18-000021-index-headers.html | 2018-09-18 17:06:57 | |
| 0000928953-18-000021-index.html | 2018-09-18 17:06:57 | |
| 0000928953-18-000021.txt | 2018-09-18 17:06:57 | |
 0000928953-18-000021-xbrl.zip | 128480 | 2018-09-18 17:06:57 |
| exhibit311certificationofc.htm | 12927 | 2018-09-18 17:06:57 |
| exhibit312certificationofc.htm | 12385 | 2018-09-18 17:06:57 |
| exhibit321certificationofc.htm | 12134 | 2018-09-18 17:06:57 |
| FilingSummary.xml | 26064 | 2018-09-18 17:06:57 |
| Financial_Report.xlsx | 54972 | 2018-09-18 17:06:57 |
| psr10-qa2017x03.htm | 670138 | 2018-09-18 17:06:57 |
| R1.htm | 31532 | 2018-09-18 17:06:57 |
| R10.htm | 48313 | 2018-09-18 17:06:57 |
| R11.htm | 22206 | 2018-09-18 17:06:57 |
| R12.htm | 34895 | 2018-09-18 17:06:57 |
| R13.htm | 34973 | 2018-09-18 17:06:57 |
| R14.htm | 6328 | 2018-09-18 17:06:57 |
| R15.htm | 35814 | 2018-09-18 17:06:57 |
| R16.htm | 63213 | 2018-09-18 17:06:57 |
| R17.htm | 169797 | 2018-09-18 17:06:57 |
| R18.htm | 15420 | 2018-09-18 17:06:57 |
| R19.htm | 19232 | 2018-09-18 17:06:57 |
| R2.htm | 86610 | 2018-09-18 17:06:57 |
| R20.htm | 44693 | 2018-09-18 17:06:57 |
| R21.htm | 19670 | 2018-09-18 17:06:57 |
| R22.htm | 32960 | 2018-09-18 17:06:57 |
| R23.htm | 32845 | 2018-09-18 17:06:57 |
| R24.htm | 22657 | 2018-09-18 17:06:57 |
| R25.htm | 5566 | 2018-09-18 17:06:57 |
| R26.htm | 111463 | 2018-09-18 17:06:57 |
| R27.htm | 30668 | 2018-09-18 17:06:57 |
| R28.htm | 61458 | 2018-09-18 17:06:57 |
| R29.htm | 10765 | 2018-09-18 17:06:57 |
| R3.htm | 27800 | 2018-09-18 17:06:57 |
| R30.htm | 15308 | 2018-09-18 17:06:57 |
| R31.htm | 39084 | 2018-09-18 17:06:57 |
| R32.htm | 48710 | 2018-09-18 17:06:57 |
| R33.htm | 12689 | 2018-09-18 17:06:57 |
| R34.htm | 22924 | 2018-09-18 17:06:57 |
| R35.htm | 27259 | 2018-09-18 17:06:57 |
| R36.htm | 8840 | 2018-09-18 17:06:57 |
| R37.htm | 18747 | 2018-09-18 17:06:57 |
| R38.htm | 11346 | 2018-09-18 17:06:57 |
| R39.htm | 6572 | 2018-09-18 17:06:57 |
| R4.htm | 46451 | 2018-09-18 17:06:57 |
| R40.htm | 8015 | 2018-09-18 17:06:57 |
| R41.htm | 14760 | 2018-09-18 17:06:57 |
| R42.htm | 12609 | 2018-09-18 17:06:57 |
| R5.htm | 62149 | 2018-09-18 17:06:57 |
| R6.htm | 27136 | 2018-09-18 17:06:57 |
| R7.htm | 175070 | 2018-09-18 17:06:57 |
| R8.htm | 17706 | 2018-09-18 17:06:57 |
| R9.htm | 18875 | 2018-09-18 17:06:57 |
| report.css | 2767 | 2018-09-18 17:06:57 |
| Show.js | 1410 | 2018-09-18 17:06:57 |
| wsr-20170331.xml | 899838 | 2018-09-18 17:06:57 |
| wsr-20170331.xsd | 32348 | 2018-09-18 17:06:57 |
| wsr-20170331_cal.xml | 63008 | 2018-09-18 17:06:57 |
| wsr-20170331_def.xml | 162499 | 2018-09-18 17:06:57 |
| wsr-20170331_lab.xml | 360423 | 2018-09-18 17:06:57 |
| wsr-20170331_pre.xml | 262082 | 2018-09-18 17:06:57 |