COMMON STOCK WARRANTS - Schedule of common stock warrant expiration information (Details) - $ / shares	Dec. 31, 2024	Aug. 23, 2024
Class of Warrant or Right [Line Items]
Weighted Average Exercise Price (in dollars per share)	$ 12.63	$ 4.35
Shares (in shares)	1,307,842
2025
Class of Warrant or Right [Line Items]
Weighted Average Exercise Price (in dollars per share)	$ 37.90
Shares (in shares)	81,133
2026
Class of Warrant or Right [Line Items]
Weighted Average Exercise Price (in dollars per share)	$ 14.19
Shares (in shares)	440,456
2027
Class of Warrant or Right [Line Items]
Weighted Average Exercise Price (in dollars per share)	$ 525.00
Shares (in shares)	892
2028
Class of Warrant or Right [Line Items]
Weighted Average Exercise Price (in dollars per share)	$ 21.68
Shares (in shares)	188,768
2029
Class of Warrant or Right [Line Items]
Weighted Average Exercise Price (in dollars per share)	$ 4.41
Shares (in shares)	596,593

Exercise price per share or per unit of warrants or rights outstanding.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-3

+ Details

Name:	us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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

- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

+ Details

Name:	us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	snes_ClassOfWarrantOrRightExpirationPeriodAxis=snes_ClassOfWarrantOrRightExpirationPeriodYearOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	snes_ClassOfWarrantOrRightExpirationPeriodAxis=snes_ClassOfWarrantOrRightExpirationPeriodYearTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	snes_ClassOfWarrantOrRightExpirationPeriodAxis=snes_ClassOfWarrantOrRightExpirationPeriodYearThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	snes_ClassOfWarrantOrRightExpirationPeriodAxis=snes_ClassOfWarrantOrRightExpirationPeriodYearFourMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	snes_ClassOfWarrantOrRightExpirationPeriodAxis=snes_ClassOfWarrantOrRightExpirationPeriodYearFiveMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: