SIGNIFICANT ACCOUNTING POLICIES - Operating segment (Details)	12 Months Ended
Dec. 31, 2020 segment
SIGNIFICANT ACCOUNTING POLICIES
Number of business segments	1

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

No definition available.

Name:	nvcn_IfrsNumberOfReportableSegments
Namespace Prefix:	nvcn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration