XML 86 R65.htm IDEA: XBRL DOCUMENT
v3.21.2

WARRANT LIABILITY - (Details) - $ / shares | 3 Months Ended | 4 Months Ended
--- | --- | ---
Mar. 31, 2021 | Dec. 31, 2020
Class of Warrant or Right [Line Items] |  |
Minimum threshold written notice period for redemption of public warrants | 30 days | 30 days
Public Warrants exercisable term from the closing of the initial public offering | 1 year |
Warrant term | 5 years |
Threshold period for filling registration statement after business combination | 20 days |
Maximum Threshold Period For Registration Statement To Become Effective After Business Combination | 60 days |
Percentage of gross proceeds on total equity proceeds | 60.00% |
Adjustment of exercise price of warrants based on market value and newly issued price (as a percent) | 115.00% |
Adjustment of redemption price of stock based on market value and newly issued price 1 (as a percent) | 180.00% |
Public Warrants | Redemption of Warrants When the Price per Share of Class A Common Stock Equals or Exceeds $18.00 |  |
Class of Warrant or Right [Line Items] |  |
Stock price trigger for redemption of public warrants (in dollars per share) | $ 18.00 |
Redemption price per public warrant (in dollars per share) | $ 0.01 | $ 0.01
Threshold trading days for redemption of public warrants | 20 days | 20 days
Threshold consecutive trading days for redemption of public warrants | 30 days | 30 days
Threshold business days before sending notice of redemption to warrant holders | 3 days |
Public Warrants | Redemption of Warrants When the Price per Share of Class A Common Stock Equals or Exceeds $10.00 |  |
Class of Warrant or Right [Line Items] |  |
Stock price trigger for redemption of public warrants (in dollars per share) | $ 10.00 |
Redemption price per public warrant (in dollars per share) |  | $ 0.10
Threshold trading days for redemption of public warrants | 20 days | 20 days
Threshold consecutive trading days for redemption of public warrants | 30 days | 30 days
Threshold business days before sending notice of redemption to warrant holders | 3 days |
Class A Common Stock | Public Warrants |  |
Class of Warrant or Right [Line Items] |  |
Redemption price per public warrant (in dollars per share) | $ 0.10 |
Threshold consecutive trading days for redemption of public warrants | 30 days |
Class A Common Stock | Maximum |  |
Class of Warrant or Right [Line Items] |  |
Share price | $ 9.20 |

X
- Definition Percentage of adjustment of exercise price of warrants based on market value and newly issued price. + References No definition available. + Details
Name: | svsvu_ClassOfWarrantOrRightAdjustmentOfExercisePriceOfWarrantsOrRightsPercentBasedOnMarketValueAndNewlyIssuedPrice
Namespace Prefix: | svsvu_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of adjustment of redemption price of stock based on market value and newly issued price. + References No definition available. + Details
Name: | svsvu_ClassOfWarrantOrRightAdjustmentOfRedemptionPriceOfWarrantsOrRightsPercentBasedOnMarketValueAndNewlyIssuedPrice1
Namespace Prefix: | svsvu_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The minimum threshold period during which a written notice is required for redemption of warrants, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | svsvu_ClassOfWarrantOrRightMinimumThresholdWrittenNoticePeriodForRedemptionOfWarrants
Namespace Prefix: | svsvu_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Price of the entity's common stock which would be required to be attained to trigger the redemption of warrants. + References No definition available. + Details
Name: | svsvu_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsStockPriceTrigger
Namespace Prefix: | svsvu_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Threshold number of specified consecutive trading days for stock price trigger considered for redemption of warrants. + References No definition available. + Details
Name: | svsvu_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdConsecutiveTradingDays
Namespace Prefix: | svsvu_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Threshold number of specified trading days for stock price trigger considered for redemption of warrants. + References No definition available. + Details
Name: | svsvu_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdTradingDays
Namespace Prefix: | svsvu_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Redemption price per share or per unit of warrants or rights outstanding. + References No definition available. + Details
Name: | svsvu_ClassOfWarrantOrRightRedemptionPriceOfWarrantsOrRights
Namespace Prefix: | svsvu_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The maximum threshold period for filing registration statement after business combination, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | svsvu_MaximumThresholdPeriodForFilingRegistrationStatementAfterBusinessCombination
Namespace Prefix: | svsvu_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition "The maximum threshold period for registration statement to become effective after business combination, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. " + References No definition available. + Details
Name: | svsvu_MaximumThresholdPeriodForRegistrationStatementToBecomeEffectiveAfterBusinessCombination
Namespace Prefix: | svsvu_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the percentage of gross proceeds on total equity proceeds. + References No definition available. + Details
Name: | svsvu_PercentageOfGrossProceedsOnTotalEquityProceeds
Namespace Prefix: | svsvu_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The minimum threshold period of business days before sending notice of redemption to warrant holders, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | svsvu_ThresholdNumberOfBusinessDaysBeforeSendingNoticeOfRedemptionToWarrantHoldersSource2
Namespace Prefix: | svsvu_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The warrants exercisable term from the closing of the initial public offering, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | svsvu_WarrantsAndRightsOutstandingExercisableTermFromClosingOfInitialPublicOffering
Namespace Prefix: | svsvu_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ClassOfWarrantOrRightLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Price of a single share of a number of saleable stocks of a company. + References No definition available. + Details
Name: | us-gaap_SharePrice
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
Name: | us-gaap_WarrantsAndRightsOutstandingTerm
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=svsvu_PublicWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=svsvu_RedemptionOfWarrantsWhenPricePerShareOfClassCommonStockEqualsOrExceeds18.00Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=svsvu_RedemptionOfWarrantsWhenPricePerShareOfClassCommonStockEqualsOrExceeds10.00Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |