Segment Information - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2023	Jun. 30, 2023
Segment Reporting [Abstract]
Reserve for excess and obsolete inventory related to reduced sales volumes of legacy gentlewave console	$ 1.7	$ 1.7
Charge related to phasing out legacy procedure instruments	$ 1.2	$ 1.2

Reserve for excess and obsolete inventory related to reduced sales volumes of legacy gentlewave console.

No definition available.

Name:	sonx_ReserveForExcessAndObsoleteInventoryRelatedToReducedSalesVolumesOfLegacyGentlewaveConsole
Namespace Prefix:	sonx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration