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| 0001437749-20-018039-index.html | 2020-08-14 16:15:46 | |
| 0001437749-20-018039.txt | 2020-08-14 16:15:46 | |
 0001437749-20-018039-xbrl.zip | 148525 | 2020-08-14 16:15:46 |
| ex_193716.htm | 12827 | 2020-08-14 16:15:46 |
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| FilingSummary.xml | 36942 | 2020-08-14 16:15:46 |
| Financial_Report.xlsx | 76483 | 2020-08-14 16:15:46 |
| hhs20200630_10q.htm | 1058432 | 2020-08-14 16:15:46 |
| hrth-20200630.xml | 1422723 | 2020-08-14 16:15:46 |
| hrth-20200630.xsd | 53795 | 2020-08-14 16:15:46 |
| hrth-20200630_cal.xml | 62614 | 2020-08-14 16:15:46 |
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| hrth-20200630_lab.xml | 312992 | 2020-08-14 16:15:46 |
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| report.css | 2767 | 2020-08-14 16:15:46 |
| Show.js | 1085 | 2020-08-14 16:15:46 |