Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001102993-17-000121-index-headers.html | 2017-11-09 16:19:27 | |
| 0001102993-17-000121-index.html | 2017-11-09 16:19:27 | |
| 0001102993-17-000121.txt | 2017-11-09 16:19:27 | |
 0001102993-17-000121-xbrl.zip | 192232 | 2017-11-09 16:19:27 |
| a2017q3liveperson10-q.htm | 1416448 | 2017-11-09 16:19:27 |
| a2017q3livepersonex105b.htm | 65539 | 2017-11-09 16:19:27 |
| a2017q3livepersonex311.htm | 13636 | 2017-11-09 16:19:27 |
| a2017q3livepersonex312.htm | 13629 | 2017-11-09 16:19:27 |
| a2017q3livepersonex321.htm | 7423 | 2017-11-09 16:19:27 |
| a2017q3livepersonex322.htm | 7306 | 2017-11-09 16:19:27 |
| FilingSummary.xml | 34022 | 2017-11-09 16:19:27 |
| Financial_Report.xlsx | 74525 | 2017-11-09 16:19:27 |
| lpsn-20170930.xml | 1723085 | 2017-11-09 16:19:27 |
| lpsn-20170930.xsd | 42092 | 2017-11-09 16:19:27 |
| lpsn-20170930_cal.xml | 68518 | 2017-11-09 16:19:27 |
| lpsn-20170930_def.xml | 194563 | 2017-11-09 16:19:27 |
| lpsn-20170930_lab.xml | 593886 | 2017-11-09 16:19:27 |
| lpsn-20170930_pre.xml | 339719 | 2017-11-09 16:19:27 |
| R1.htm | 21938 | 2017-11-09 16:19:27 |
| R10.htm | 188522 | 2017-11-09 16:19:27 |
| R11.htm | 84501 | 2017-11-09 16:19:27 |
| R12.htm | 16095 | 2017-11-09 16:19:27 |
| R13.htm | 19734 | 2017-11-09 16:19:27 |
| R14.htm | 130293 | 2017-11-09 16:19:27 |
| R15.htm | 10355 | 2017-11-09 16:19:27 |
| R16.htm | 134468 | 2017-11-09 16:19:27 |
| R17.htm | 34668 | 2017-11-09 16:19:27 |
| R18.htm | 9323 | 2017-11-09 16:19:27 |
| R19.htm | 52004 | 2017-11-09 16:19:27 |
| R2.htm | 73903 | 2017-11-09 16:19:27 |
| R20.htm | 19330 | 2017-11-09 16:19:27 |
| R21.htm | 190655 | 2017-11-09 16:19:27 |
| R22.htm | 84466 | 2017-11-09 16:19:27 |
| R23.htm | 15916 | 2017-11-09 16:19:27 |
| R24.htm | 19213 | 2017-11-09 16:19:27 |
| R25.htm | 132287 | 2017-11-09 16:19:27 |
| R26.htm | 122201 | 2017-11-09 16:19:27 |
| R27.htm | 32735 | 2017-11-09 16:19:27 |
| R28.htm | 10311 | 2017-11-09 16:19:27 |
| R29.htm | 5137 | 2017-11-09 16:19:27 |
| R3.htm | 4843 | 2017-11-09 16:19:27 |
| R30.htm | 9826 | 2017-11-09 16:19:27 |
| R31.htm | 4583 | 2017-11-09 16:19:27 |
| R32.htm | 37058 | 2017-11-09 16:19:27 |
| R33.htm | 20701 | 2017-11-09 16:19:27 |
| R34.htm | 16766 | 2017-11-09 16:19:27 |
| R35.htm | 10916 | 2017-11-09 16:19:27 |
| R36.htm | 29773 | 2017-11-09 16:19:27 |
| R37.htm | 5179 | 2017-11-09 16:19:27 |
| R38.htm | 16936 | 2017-11-09 16:19:27 |
| R39.htm | 14886 | 2017-11-09 16:19:27 |
| R4.htm | 71124 | 2017-11-09 16:19:27 |
| R40.htm | 21481 | 2017-11-09 16:19:27 |
| R41.htm | 34625 | 2017-11-09 16:19:27 |
| R42.htm | 9882 | 2017-11-09 16:19:27 |
| R43.htm | 29629 | 2017-11-09 16:19:27 |
| R44.htm | 26963 | 2017-11-09 16:19:27 |
| R45.htm | 100280 | 2017-11-09 16:19:27 |
| R46.htm | 18504 | 2017-11-09 16:19:27 |
| R47.htm | 48730 | 2017-11-09 16:19:27 |
| R48.htm | 65949 | 2017-11-09 16:19:27 |
| R49.htm | 34943 | 2017-11-09 16:19:27 |
| R5.htm | 10797 | 2017-11-09 16:19:27 |
| R50.htm | 8619 | 2017-11-09 16:19:27 |
| R51.htm | 12353 | 2017-11-09 16:19:27 |
| R52.htm | 10630 | 2017-11-09 16:19:27 |
| R6.htm | 74485 | 2017-11-09 16:19:27 |
| R7.htm | 24961 | 2017-11-09 16:19:27 |
| R8.htm | 9206 | 2017-11-09 16:19:27 |
| R9.htm | 21470 | 2017-11-09 16:19:27 |
| report.css | 2767 | 2017-11-09 16:19:27 |
| Show.js | 1410 | 2017-11-09 16:19:27 |