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| 0001213900-20-020899-index.html | 2020-08-07 16:10:28 | |
| 0001213900-20-020899.txt | 2020-08-07 16:10:28 | |
 0001213900-20-020899-xbrl.zip | 69480 | 2020-08-07 16:10:28 |
| f10q0620ex31-1_hennessy.htm | 12478 | 2020-08-07 16:10:28 |
| f10q0620ex31-2_hennessy.htm | 12678 | 2020-08-07 16:10:28 |
| f10q0620ex32-1_hennessy.htm | 4523 | 2020-08-07 16:10:28 |
| f10q0620ex32-2_hennessy.htm | 4881 | 2020-08-07 16:10:28 |
| f10q0620_hennessycapital4.htm | 347309 | 2020-08-07 16:10:28 |
| FilingSummary.xml | 15732 | 2020-08-07 16:10:28 |
| Financial_Report.xlsx | 55243 | 2020-08-07 16:10:28 |
| hcac-20200630.xml | 271843 | 2020-08-07 16:10:28 |
| hcac-20200630.xsd | 25410 | 2020-08-07 16:10:28 |
| hcac-20200630_cal.xml | 32309 | 2020-08-07 16:10:28 |
| hcac-20200630_def.xml | 128090 | 2020-08-07 16:10:28 |
| hcac-20200630_lab.xml | 182705 | 2020-08-07 16:10:28 |
| hcac-20200630_pre.xml | 155755 | 2020-08-07 16:10:28 |
| R1.htm | 35960 | 2020-08-07 16:10:28 |
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| R9.htm | 30813 | 2020-08-07 16:10:28 |
| report.css | 2767 | 2020-08-07 16:10:28 |
| Show.js | 1085 | 2020-08-07 16:10:28 |