Name:	tngo_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRightsEarned
Namespace Prefix:	tngo_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Represents the number of warrants or rights issuable during the period on securities that give the holder the right but not the obligation to purchase from the issuer at a specific price, on or before a certain date.

No definition available.

Name:	tngo_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRightsIssuable
Namespace Prefix:	tngo_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

The number of warrants or rights issued during the period on securities that give the holder the right but not the obligation to purchase from the issuer at a specific price, on or before a certain date.

No definition available.

Name:	tngo_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRightsIssuedInPeriod
Namespace Prefix:	tngo_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Represents the number of outstanding warrants or rights to purchase common stock no longer deemed probable of being earned.

No definition available.

Name:	tngo_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRightsNotProbableToBeExercisable
Namespace Prefix:	tngo_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	tngo_ClassOfWarrantOrRightOutstandingRollForward
Namespace Prefix:	tngo_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Represents the period of achievement of certain billing thresholds required for exercise of warrants.

No definition available.

Name:	tngo_ClassOfWarrantOrRightPeriodOfAchievementOfCertainBillingThresholdsRequiredForExerciseOfWarrants
Namespace Prefix:	tngo_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents the number of shares the holder of warrants or rights uses to pay for warrants exercised pursuant to a cashless exercise feature when shares are cancelled in lieu of payment of cash consideration.

No definition available.

Name:	tngo_ClassOfWarrantOrRightSharesCancelledInLieuOfCashPayment
Namespace Prefix:	tngo_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Represents the term of the agreement entered into by the entity.

No definition available.

Name:	tngo_ClassOfWarrantOrRightTermOfStrategicRelationshipAgreement
Namespace Prefix:	tngo_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents the portion of the value reversed for outstanding warrants or rights to purchase common stock no longer deemed probable of being earned.

No definition available.

Name:	tngo_ClassOfWarrantOrRightValueOfSharesReversed
Namespace Prefix:	tngo_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Represents vesting period of warrants.

No definition available.

Name:	tngo_ClassOfWarrantOrRightVestingPeriod
Namespace Prefix:	tngo_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

The number of warrants or rights exercised during the period on securities that give the holder the right but not the obligation to purchase from the issuer at a specific price, on or before a certain date.

No definition available.

Name:	tngo_ClassOfWarrantOrRightWarrantsExercised
Namespace Prefix:	tngo_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

The number of shares issued as a result of the cashless exercise of warrants during the period, net of shares cancelled in lieu of payment of cash consideration.

No definition available.

Name:	tngo_ClassOfWarrantOrRightWarrantsExercisedSharesIssuedNetOfSharesCancelledInLieuOfCashPayment
Namespace Prefix:	tngo_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

The number of shares issued as a result of the exercise of warrants for cash consideration during the period.

No definition available.

Name:	tngo_ClassOfWarrantOrRightWarrantsExercisedSharesIssuedWithCashPayment
Namespace Prefix:	tngo_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Represents the number of shares of preferred stock warrants converted to common stock warrants.

No definition available.

Name:	tngo_StockIssuedDuringPeriodSharesConversionOfPreferredStockWarrantsToCommonStockWarrants
Namespace Prefix:	tngo_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

The exercise price of each class of warrants or rights outstanding.

Name:	us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights
Namespace Prefix:	us-gaap_
Data Type:	us-types:perUnitItemType
Balance Type:	na
Period Type:	instant

- Details

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

The specified number of securities that each class of warrants or rights outstanding give the holder the right but not the obligation to purchase from the issuer at a specific price, on or before a certain date.

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

Aggregate amount of each class of warrants or rights outstanding.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(i))

-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph i

-Article 4

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

The amount of expense recognized in the current period that reflects the allocation of the costs of intangible assets over the expected benefit period of such assets. This element applies only to intangible assets used in the delivery of services.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.2(d))

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688

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

Period the instrument, asset or liability is expected to be outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258

Name:	us-gaap_FairValueAssumptionsExpectedTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price.

Name:	us-gaap_FairValueAssumptionsExpectedVolatilityRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Risk-free interest rate assumption used in valuing an instrument.

Name:	us-gaap_FairValueAssumptionsRiskFreeInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

-Subparagraph a(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Name:	us-gaap_FiniteLivedIntangibleAssetsNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

The cash inflow associated with the amount received from holders exercising their stock warrants.

No definition available.

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

Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(i))

-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph i

-Article 4

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Emerging Issues Task Force (EITF)

-Number 00-27

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Emerging Issues Task Force (EITF)

-Number 98-5

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.