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v3.25.1

Investments and Fair Value Measurement - Additional Information (Details) | 12 Months Ended
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Mar. 31, 2025 USD ($)
Investments [Line Items] |
Investments in debt securities | $ 0
Interest income on investments in debt securities | $ 100,000

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- Definition Sum of the carrying amounts as of the balance sheet date of all investments. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 80 -Name Accounting Standards Codification -Section 55 -Paragraph 14 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480078/944-80-55-14 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 80 -Name Accounting Standards Codification -Section 55 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480078/944-80-55-9 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(1)(h)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(1)(6)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 + Details
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Period Type: | instant

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- Definition Interest income on investments in debt securities. + References No definition available. + Details
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Balance Type: | credit
Period Type: | duration

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- Definition Investments. + References No definition available. + Details
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Namespace Prefix: | vivs_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration