Loss on conversion of preferred stock

No definition available.

Name:	nvlx_LossOnConversionOfPreferredStock
Namespace Prefix:	nvlx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Preferred stock shares converted into common stock

No definition available.

Name:	nvlx_PreferredStockSharesConvertedIntoCommonStock
Namespace Prefix:	nvlx_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

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