Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000106455-15-000022-index-headers.html | 2015-03-06 17:11:07 | |
| 0000106455-15-000022-index.html | 2015-03-06 17:11:07 | |
| 0000106455-15-000022.txt | 2015-03-06 17:11:07 | |
 0000106455-15-000022-xbrl.zip | 523413 | 2015-03-06 17:11:07 |
| exh21-1_2014k.htm | 22233 | 2015-03-06 17:11:07 |
| exh23-1_2014k.htm | 3536 | 2015-03-06 17:11:07 |
| exh23-2_2014k.htm | 2929 | 2015-03-06 17:11:07 |
| exh31-1_2014k.htm | 13329 | 2015-03-06 17:11:07 |
| exh31-2_2014k.htm | 13382 | 2015-03-06 17:11:07 |
| exh32_2014k.htm | 8834 | 2015-03-06 17:11:07 |
| exh95-1_2014k.htm | 110369 | 2015-03-06 17:11:07 |
| FilingSummary.xml | 68233 | 2015-03-06 17:11:07 |
| Financial_Report.xls | 4079799 | 2015-03-06 17:11:07 |
| Financial_Report.xlsx | 485519 | 2015-03-06 17:11:07 |
 operationsmap2015mar.jpg | 78509 | 2015-03-06 17:11:07 |
 orgchartfinal.jpg | 252730 | 2015-03-06 17:11:07 |
| R1.htm | 38240 | 2015-03-06 17:11:07 |
| R10.htm | 18370 | 2015-03-06 17:11:07 |
| R100.htm | 61462 | 2015-03-06 17:11:07 |
| R101.htm | 113966 | 2015-03-06 17:11:07 |
| R102.htm | 35381 | 2015-03-06 17:11:07 |
| R103.htm | 29848 | 2015-03-06 17:11:07 |
| R104.htm | 44457 | 2015-03-06 17:11:07 |
| R105.htm | 76313 | 2015-03-06 17:11:07 |
| R106.htm | 119609 | 2015-03-06 17:11:07 |
| R107.htm | 34077 | 2015-03-06 17:11:07 |
| R108.htm | 59630 | 2015-03-06 17:11:07 |
| R109.htm | 26661 | 2015-03-06 17:11:07 |
| R11.htm | 87541 | 2015-03-06 17:11:07 |
| R110.htm | 5872 | 2015-03-06 17:11:07 |
| R111.htm | 47371 | 2015-03-06 17:11:07 |
| R12.htm | 23796 | 2015-03-06 17:11:07 |
| R13.htm | 63273 | 2015-03-06 17:11:07 |
| R14.htm | 196813 | 2015-03-06 17:11:07 |
| R15.htm | 319240 | 2015-03-06 17:11:07 |
| R16.htm | 22519 | 2015-03-06 17:11:07 |
| R17.htm | 85168 | 2015-03-06 17:11:07 |
| R18.htm | 32960 | 2015-03-06 17:11:07 |
| R19.htm | 49326 | 2015-03-06 17:11:07 |
| R2.htm | 220600 | 2015-03-06 17:11:07 |
| R20.htm | 104050 | 2015-03-06 17:11:07 |
| R21.htm | 105097 | 2015-03-06 17:11:07 |
| R22.htm | 199394 | 2015-03-06 17:11:07 |
| R23.htm | 34112 | 2015-03-06 17:11:07 |
| R24.htm | 166653 | 2015-03-06 17:11:07 |
| R25.htm | 44557 | 2015-03-06 17:11:07 |
| R26.htm | 9267 | 2015-03-06 17:11:07 |
| R27.htm | 156797 | 2015-03-06 17:11:07 |
| R28.htm | 31341 | 2015-03-06 17:11:07 |
| R29.htm | 146183 | 2015-03-06 17:11:07 |
| R3.htm | 36496 | 2015-03-06 17:11:07 |
| R30.htm | 17153 | 2015-03-06 17:11:07 |
| R31.htm | 113956 | 2015-03-06 17:11:07 |
| R32.htm | 25560 | 2015-03-06 17:11:07 |
| R33.htm | 39336 | 2015-03-06 17:11:07 |
| R34.htm | 220224 | 2015-03-06 17:11:07 |
| R35.htm | 324007 | 2015-03-06 17:11:07 |
| R36.htm | 22007 | 2015-03-06 17:11:07 |
| R37.htm | 116697 | 2015-03-06 17:11:07 |
| R38.htm | 24606 | 2015-03-06 17:11:07 |
| R39.htm | 49546 | 2015-03-06 17:11:07 |
| R4.htm | 114876 | 2015-03-06 17:11:07 |
| R40.htm | 104540 | 2015-03-06 17:11:07 |
| R41.htm | 93574 | 2015-03-06 17:11:07 |
| R42.htm | 202881 | 2015-03-06 17:11:07 |
| R43.htm | 31478 | 2015-03-06 17:11:07 |
| R44.htm | 167357 | 2015-03-06 17:11:07 |
| R45.htm | 41784 | 2015-03-06 17:11:07 |
| R46.htm | 39455 | 2015-03-06 17:11:07 |
| R47.htm | 13519 | 2015-03-06 17:11:07 |
| R48.htm | 12360 | 2015-03-06 17:11:07 |
| R49.htm | 6134 | 2015-03-06 17:11:07 |
| R5.htm | 44926 | 2015-03-06 17:11:07 |
| R50.htm | 25933 | 2015-03-06 17:11:07 |
| R51.htm | 12848 | 2015-03-06 17:11:07 |
| R52.htm | 17852 | 2015-03-06 17:11:07 |
| R53.htm | 53831 | 2015-03-06 17:11:07 |
| R54.htm | 483025 | 2015-03-06 17:11:07 |
| R55.htm | 45744 | 2015-03-06 17:11:07 |
| R56.htm | 20222 | 2015-03-06 17:11:07 |
| R57.htm | 56519 | 2015-03-06 17:11:07 |
| R58.htm | 24778 | 2015-03-06 17:11:07 |
| R59.htm | 18966 | 2015-03-06 17:11:07 |
| R6.htm | 124640 | 2015-03-06 17:11:07 |
| R60.htm | 17390 | 2015-03-06 17:11:07 |
| R61.htm | 46578 | 2015-03-06 17:11:07 |
| R62.htm | 34296 | 2015-03-06 17:11:07 |
| R63.htm | 28069 | 2015-03-06 17:11:07 |
| R64.htm | 45544 | 2015-03-06 17:11:07 |
| R65.htm | 31681 | 2015-03-06 17:11:07 |
| R66.htm | 256146 | 2015-03-06 17:11:07 |
| R67.htm | 89095 | 2015-03-06 17:11:07 |
| R68.htm | 50637 | 2015-03-06 17:11:07 |
| R69.htm | 47520 | 2015-03-06 17:11:07 |
| R7.htm | 225380 | 2015-03-06 17:11:07 |
| R70.htm | 63562 | 2015-03-06 17:11:07 |
| R71.htm | 68519 | 2015-03-06 17:11:07 |
| R72.htm | 53847 | 2015-03-06 17:11:07 |
| R73.htm | 164713 | 2015-03-06 17:11:07 |
| R74.htm | 58460 | 2015-03-06 17:11:07 |
| R75.htm | 31142 | 2015-03-06 17:11:07 |
| R76.htm | 160619 | 2015-03-06 17:11:07 |
| R77.htm | 28726 | 2015-03-06 17:11:07 |
| R78.htm | 62338 | 2015-03-06 17:11:07 |
| R79.htm | 17172 | 2015-03-06 17:11:07 |
| R8.htm | 86178 | 2015-03-06 17:11:07 |
| R80.htm | 37198 | 2015-03-06 17:11:07 |
| R81.htm | 30452 | 2015-03-06 17:11:07 |
| R82.htm | 22330 | 2015-03-06 17:11:07 |
| R83.htm | 19318 | 2015-03-06 17:11:07 |
| R84.htm | 18090 | 2015-03-06 17:11:07 |
| R85.htm | 43519 | 2015-03-06 17:11:07 |
| R86.htm | 44738 | 2015-03-06 17:11:07 |
| R87.htm | 18259 | 2015-03-06 17:11:07 |
| R88.htm | 55614 | 2015-03-06 17:11:07 |
| R89.htm | 14630 | 2015-03-06 17:11:07 |
| R9.htm | 156453 | 2015-03-06 17:11:07 |
| R90.htm | 57657 | 2015-03-06 17:11:07 |
| R91.htm | 64760 | 2015-03-06 17:11:07 |
| R92.htm | 61636 | 2015-03-06 17:11:07 |
| R93.htm | 33762 | 2015-03-06 17:11:07 |
| R94.htm | 70539 | 2015-03-06 17:11:07 |
| R95.htm | 47162 | 2015-03-06 17:11:07 |
| R96.htm | 46490 | 2015-03-06 17:11:07 |
| R97.htm | 38548 | 2015-03-06 17:11:07 |
| R98.htm | 14541 | 2015-03-06 17:11:07 |
| R99.htm | 46061 | 2015-03-06 17:11:07 |
| report.css | 2740 | 2015-03-06 17:11:07 |
| Show.js | 1410 | 2015-03-06 17:11:07 |
 stockgrapha03.jpg | 243188 | 2015-03-06 17:11:07 |
| wlb-123114_10k.htm | 4316052 | 2015-03-06 17:11:07 |
| wlb-20141231.xml | 4666074 | 2015-03-06 17:11:07 |
| wlb-20141231.xsd | 128171 | 2015-03-06 17:11:07 |
| wlb-20141231_cal.xml | 265447 | 2015-03-06 17:11:07 |
| wlb-20141231_def.xml | 754768 | 2015-03-06 17:11:07 |
| wlb-20141231_lab.xml | 1653257 | 2015-03-06 17:11:07 |
| wlb-20141231_pre.xml | 1075933 | 2015-03-06 17:11:07 |