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| 0001213900-23-024227.txt | 2023-03-29 19:52:15 | |
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| FilingSummary.xml | 1895 | 2023-03-29 19:52:15 |
| Financial_Report.xlsx | 5802 | 2023-03-29 19:52:15 |
| hlgn-20220331.xsd | 3304 | 2023-03-29 19:52:15 |
| hlgn-20220331_def.xml | 6233 | 2023-03-29 19:52:15 |
| hlgn-20220331_lab.xml | 9577 | 2023-03-29 19:52:15 |
| hlgn-20220331_pre.xml | 6103 | 2023-03-29 19:52:15 |
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| posam2023a3ex23-1_heliogen.htm | 2738 | 2023-03-29 19:52:15 |
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| posam2023a3_heliogeninc.htm | 1392233 | 2023-03-29 19:52:15 |
| posam2023a3_heliogeninc_htm.xml | 2579 | 2023-03-29 19:52:15 |
| R1.htm | 20376 | 2023-03-29 19:52:15 |
| report.css | 2767 | 2023-03-29 19:52:15 |
| Show.js | 1085 | 2023-03-29 19:52:15 |
 thelio_logo.jpg | 107481 | 2023-03-29 19:52:15 |