XML 60 R47.htm IDEA: XBRL DOCUMENT v3.10.0.1

Convertible Preferred Stock and Stockholders' Deficit - Summary of Common Stock Issued and Reserved for Issuance (Details) - shares	Sep. 30, 2018	Jul. 31, 2018	Dec. 31, 2017
Stockholders Deficit [Line Items]
Shares of common stock issued	17,579,000		231,000
Shares of common stock reserved for issuance for:
Total shares of common stock issued and reserved for issuance	22,162,000		14,040,000
Series A-1 Convertible Preferred Stock
Shares of common stock reserved for issuance for:
Shares of common stock reserved for issuance			166,000
Series A-2 Convertible Preferred Stock
Shares of common stock reserved for issuance for:
Shares of common stock reserved for issuance			898,000
Series B Convertible Preferred Stock
Shares of common stock reserved for issuance for:
Shares of common stock reserved for issuance			697,000
Series C Convertible Preferred Stock
Shares of common stock reserved for issuance for:
Shares of common stock reserved for issuance			1,063,000
Series D Convertible Preferred Stock
Shares of common stock reserved for issuance for:
Shares of common stock reserved for issuance			1,705,000
Series E Convertible Preferred Stock
Shares of common stock reserved for issuance for:
Shares of common stock reserved for issuance			1,534,000
Series F Convertible Preferred Stock
Shares of common stock reserved for issuance for:
Shares of common stock reserved for issuance			3,531,000
Series G Convertible Preferred Stock
Shares of common stock reserved for issuance for:
Shares of common stock reserved for issuance			1,400,000
Series E Convertible Preferred Stock Warrants
Shares of common stock reserved for issuance for:
Shares of common stock reserved for issuance			14,000
Series F Convertible Preferred Stock Warrants
Shares of common stock reserved for issuance for:
Shares of common stock reserved for issuance			91,000
Common Stock Warrants Outstanding
Shares of common stock reserved for issuance for:
Shares of common stock reserved for issuance	105,000
Warrants Issuable Upon Term C Loan Borrowing
Shares of common stock reserved for issuance for:
Shares of common stock reserved for issuance			20,000
Shares Available for Sales Under Employee Stock Purchase Plan
Shares of common stock reserved for issuance for:
Shares of common stock reserved for issuance	244,000	200,000
Stock Options Outstanding
Shares of common stock reserved for issuance for:
Shares of common stock reserved for issuance	2,873,000		2,444,000
Shares Available for Grant Under Stock Incentive Plan
Shares of common stock reserved for issuance for:
Shares of common stock reserved for issuance	1,323,000		246,000
Restricted Stock Units Outstanding
Shares of common stock reserved for issuance for:
Shares of common stock reserved for issuance	38,000

X

- Definition

Common stock shares issued and reserved for future issuance.

+ References

No definition available.

+ Details

Name:	stim_CommonStockSharesIssuedAndReservedForFutureIssuance
Namespace Prefix:	stim_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Shares of common stock reserved for issuance.

+ References

No definition available.

+ Details

Name:	stim_SharesOfCommonStockReservedForIssuanceAbstract
Namespace Prefix:	stim_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Stockholders' deficit.

+ References

No definition available.

+ Details

Name:	stim_StockholdersDeficitLineItems
Namespace Prefix:	stim_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Aggregate number of common shares reserved for future issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.29)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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

X

- Definition

Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=stim_SeriesAOneConvertiblePreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=stim_SeriesATwoConvertiblePreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=stim_SeriesBConvertiblePreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=stim_SeriesCConvertiblePreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=stim_SeriesDConvertiblePreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=stim_SeriesEConvertiblePreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=stim_SeriesFConvertiblePreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=stim_SeriesGConvertiblePreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=stim_SeriesEConvertiblePreferredStockWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=stim_SeriesFConvertiblePreferredStockWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=stim_CommonStockWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementEquityComponentsAxis=us-gaap_WarrantMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=us-gaap_EmployeeStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

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

X

- Details

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