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|---|---|---|
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| 0000830122-22-000009-index.html | 2022-03-21 21:19:41 | |
| 0000830122-22-000009.txt | 2022-03-21 21:19:41 | |
 0000830122-22-000009-xbrl.zip | 240580 | 2022-03-21 21:19:41 |
| FilingSummary.xml | 26561 | 2022-03-21 21:19:41 |
| Financial_Report.xlsx | 62973 | 2022-03-21 21:19:41 |
| MetaLinks.json | 463563 | 2022-03-21 21:19:41 |
| picoex211subs10k2021ng.htm | 4494 | 2022-03-21 21:19:41 |
| picoex231consent10k2021ng.htm | 2558 | 2022-03-21 21:19:41 |
| picoexhibit31110k20201ng.htm | 9521 | 2022-03-21 21:19:41 |
| picoexhibit31210k2021ng.htm | 9503 | 2022-03-21 21:19:41 |
| picoexhibit32110k2021ng.htm | 4051 | 2022-03-21 21:19:41 |
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| R1.htm | 65134 | 2022-03-21 21:19:41 |
| R10.htm | 14660 | 2022-03-21 21:19:41 |
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| R26.htm | 19852 | 2022-03-21 21:19:41 |
| R27.htm | 11979 | 2022-03-21 21:19:41 |
| R28.htm | 4862 | 2022-03-21 21:19:41 |
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| R4.htm | 19991 | 2022-03-21 21:19:41 |
| R40.htm | 33045 | 2022-03-21 21:19:41 |
| R41.htm | 25044 | 2022-03-21 21:19:41 |
| R5.htm | 78837 | 2022-03-21 21:19:41 |
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| R8.htm | 31352 | 2022-03-21 21:19:41 |
| R9.htm | 12628 | 2022-03-21 21:19:41 |
| report.css | 2767 | 2022-03-21 21:19:41 |
| Show.js | 1085 | 2022-03-21 21:19:41 |
| vwtr-20211231.htm | 1092272 | 2022-03-21 21:19:41 |
| vwtr-20211231.xsd | 37848 | 2022-03-21 21:19:41 |
| vwtr-20211231_cal.xml | 50830 | 2022-03-21 21:19:41 |
| vwtr-20211231_def.xml | 125539 | 2022-03-21 21:19:41 |
 vwtr-20211231_g1.jpg | 25250 | 2022-03-21 21:19:41 |
| vwtr-20211231_htm.xml | 674820 | 2022-03-21 21:19:41 |
| vwtr-20211231_lab.xml | 466959 | 2022-03-21 21:19:41 |
| vwtr-20211231_pre.xml | 282270 | 2022-03-21 21:19:41 |