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|---|---|---|
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| 0000830122-22-000026.txt | 2022-04-29 20:02:54 | |
 0000830122-22-000026-xbrl.zip | 229247 | 2022-04-29 20:02:54 |
| FilingSummary.xml | 26556 | 2022-04-29 20:02:54 |
| Financial_Report.xlsx | 62771 | 2022-04-29 20:02:54 |
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| picoex211subs10ka2022.htm | 4493 | 2022-04-29 20:02:54 |
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| picoexhibit31110ka2022.htm | 9520 | 2022-04-29 20:02:54 |
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| picoexhibit32110ka2022.htm | 4064 | 2022-04-29 20:02:54 |
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| R1.htm | 62976 | 2022-04-29 20:02:54 |
| R10.htm | 14660 | 2022-04-29 20:02:54 |
| R11.htm | 14537 | 2022-04-29 20:02:54 |
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| R2.htm | 7891 | 2022-04-29 20:02:54 |
| R20.htm | 8558 | 2022-04-29 20:02:54 |
| R21.htm | 54326 | 2022-04-29 20:02:54 |
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| R23.htm | 20754 | 2022-04-29 20:02:54 |
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| R26.htm | 19852 | 2022-04-29 20:02:54 |
| R27.htm | 11979 | 2022-04-29 20:02:54 |
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| R4.htm | 19991 | 2022-04-29 20:02:54 |
| R40.htm | 33045 | 2022-04-29 20:02:54 |
| R41.htm | 25044 | 2022-04-29 20:02:54 |
| R5.htm | 78837 | 2022-04-29 20:02:54 |
| R6.htm | 59390 | 2022-04-29 20:02:54 |
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| R8.htm | 31352 | 2022-04-29 20:02:54 |
| R9.htm | 12628 | 2022-04-29 20:02:54 |
| report.css | 2767 | 2022-04-29 20:02:54 |
| Show.js | 1085 | 2022-04-29 20:02:54 |
| vwtr-20211231.htm | 1078457 | 2022-04-29 20:02:54 |
| vwtr-20211231.xsd | 37848 | 2022-04-29 20:02:54 |
| vwtr-20211231_cal.xml | 50830 | 2022-04-29 20:02:54 |
| vwtr-20211231_def.xml | 125539 | 2022-04-29 20:02:54 |
 vwtr-20211231_g1.jpg | 25250 | 2022-04-29 20:02:54 |
| vwtr-20211231_htm.xml | 673929 | 2022-04-29 20:02:54 |
| vwtr-20211231_lab.xml | 466959 | 2022-04-29 20:02:54 |
| vwtr-20211231_pre.xml | 282270 | 2022-04-29 20:02:54 |