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| 0001289945-18-000010.txt | 2018-03-01 16:11:48 | |
 0001289945-18-000010-xbrl.zip | 198136 | 2018-03-01 16:11:48 |
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 a5yearcomparison.jpg | 50906 | 2018-03-01 16:11:48 |
| FilingSummary.xml | 34081 | 2018-03-01 16:11:48 |
| Financial_Report.xlsx | 86534 | 2018-03-01 16:11:48 |
 perfgoals2015to2017.jpg | 148976 | 2018-03-01 16:11:48 |
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| report.css | 2767 | 2018-03-01 16:11:48 |
| Show.js | 1410 | 2018-03-01 16:11:48 |
| spok-20171231.xml | 1341010 | 2018-03-01 16:11:48 |
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 spokinclogo1a02.jpg | 252948 | 2018-03-01 16:11:48 |
 spokorgchart2017.jpg | 73545 | 2018-03-01 16:11:48 |