XML 46 R23.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Note 5 - Segment Information (Details Textual) | 6 Months Ended
--- | ---
Jun. 30, 2022
Statement Line Items [Line Items] |
Number of operating segment | 1
Number of reportable segment | 1

X
- Definition The number of operating segment. + References No definition available. + Details
Name: | sev_NumberOfOperatingSegment
Namespace Prefix: | sev_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of reportable segment. + References No definition available. + Details
Name: | sev_NumberOfReportableSegment
Namespace Prefix: | sev_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | sev_StatementLineItems
Namespace Prefix: | sev_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration