Stock Issued During Period, Issuance For Private Placement Memo

No definition available.

Name:	nvlx_StockIssuedDuringPeriodForPrivatePlacementMemoAmount
Namespace Prefix:	nvlx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Number of additional shares authorized for issuance under an established share-based compensation plan.

No definition available.

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Name:	us-gaap_SubsequentEventLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration