Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001289945-21-000004-index-headers.html | 2021-02-17 16:32:09 | |
| 0001289945-21-000004-index.html | 2021-02-17 16:32:09 | |
| 0001289945-21-000004.txt | 2021-02-17 16:32:09 | |
 0001289945-21-000004-xbrl.zip | 44553 | 2021-02-17 16:32:09 |
| a4q208kex991.htm | 884746 | 2021-02-17 16:32:09 |
| FilingSummary.xml | 1747 | 2021-02-17 16:32:09 |
| Financial_Report.xlsx | 5459 | 2021-02-17 16:32:09 |
| MetaLinks.json | 17593 | 2021-02-17 16:32:09 |
| R1.htm | 38632 | 2021-02-17 16:32:09 |
| report.css | 2767 | 2021-02-17 16:32:09 |
| Show.js | 1085 | 2021-02-17 16:32:09 |
| spok-20210217.htm | 48432 | 2021-02-17 16:32:09 |
| spok-20210217.xsd | 2449 | 2021-02-17 16:32:09 |
| spok-20210217_cal.xml | 738 | 2021-02-17 16:32:09 |
| spok-20210217_def.xml | 1683 | 2021-02-17 16:32:09 |
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| spok-20210217_lab.xml | 24275 | 2021-02-17 16:32:09 |
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 spoklogoasecondheadera081.jpg | 252948 | 2021-02-17 16:32:09 |
 spoktweeta081.jpg | 54321 | 2021-02-17 16:32:09 |