A description related to annual incentive bonus.

No definition available.

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- Definition

It represents the amount of moving related expenses.

+ References

No definition available.

+ Details

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Namespace Prefix:	snes_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

It represents the vesting period in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Namespace Prefix:	snes_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage points added to the reference rate to compute the variable rate on the lessee's capital lease.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- References

No definition available.

+ Details

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

- Definition

Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ References

No definition available.

+ Details

Name:	us-gaap_LeaseAndRentalExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of loss pertaining to the specified contingency that was charged against earnings in the period, including the effects of revisions in previously reported estimates.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Expenditures for salaries of officers. Does not include allocated share-based compensation, pension and post-retirement benefit expense or other labor-related non-salary expense. For commercial and industrial companies, excludes any direct and overhead labor that is included in cost of goods sold.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.4)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

+ Details

Name:	us-gaap_OfficersCompensation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders.

+ References

No definition available.

+ Details

Name:	us-gaap_StockIssuedDuringPeriodSharesIssuedForServices
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_IncomeStatementLocationAxis=us-gaap_GeneralAndAdministrativeExpenseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TitleOfIndividualAxis=us-gaap_ChiefExecutiveOfficerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=snes_EmploymentAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_RestrictedStockUnitsRSUMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PlanNameAxis=snes_EquityIncentivePlan2015Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TitleOfIndividualAxis=us-gaap_ChiefOperatingOfficerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Commitments and Contingencies (Details Narrative) - USD ($)	1 Months Ended	6 Months Ended		12 Months Ended
	Jul. 31, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Debt Instrument, Interest Rate, Effective Percentage [Abstract]
Share-based Compensation		$ 1,872,000	$ 1,473,000
Rent Expense		$ 165,000		$ 234,000
General and Administrative Expense [Member]
Debt Instrument, Interest Rate, Effective Percentage [Abstract]
Loss Contingency, Loss in Period				1,000,000
Chief Executive Officer [Member]
Debt Instrument, Interest Rate, Effective Percentage [Abstract]
Number of shares issued	120,000
Share-based Compensation				$ 300
Chief Executive Officer [Member] \| Employment Agreement [Member]
Debt Instrument, Interest Rate, Effective Percentage [Abstract]
Annual base salary	$ 300,000
Chief Executive Officer [Member] \| Employment Agreement [Member] \| Restricted Stock Units [Member] \| Equity Incentive Plan 2015 [Member]
Debt Instrument, Interest Rate, Effective Percentage [Abstract]
Vesting period	3 years
Chief Operating Officer [Member]
Debt Instrument, Interest Rate, Effective Percentage [Abstract]
Description of annual incentive bonus		The COO will be eligible to receive annual incentive bonus with a target value equal to 100% of his annual base salary, payable 30% in cash and 70% in restricted stock units or stock options.
Minimum [Member] \| Chief Operating Officer [Member]
Debt Instrument, Interest Rate, Effective Percentage [Abstract]
Moving-related expenses		$ 2,000
Minimum [Member] \| Capital Lease Obligations [Member]
Debt Instrument, Interest Rate, Effective Percentage [Abstract]
Capital Leases of Lessee, Contingent Rentals, Basis Spread on Variable Rate		10.48%
Maximum [Member] \| Chief Operating Officer [Member]
Debt Instrument, Interest Rate, Effective Percentage [Abstract]
Moving-related expenses		$ 30,000
Maximum [Member] \| Capital Lease Obligations [Member]
Debt Instrument, Interest Rate, Effective Percentage [Abstract]
Capital Leases of Lessee, Contingent Rentals, Basis Spread on Variable Rate		11.56%