Debt Conversion, Converted Instrument, Initial Conversion Rate

No definition available.

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Namespace Prefix:	tlgt_
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Period Type:	instant

- Definition

Debt Conversion, Par Value

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Debt Instrument, Transaction Fee

+ References

No definition available.

+ Details

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Namespace Prefix:	tlgt_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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- Details

Name:	us-gaap_ShortTermDebtTypeAxis=us-gaap_ConvertibleDebtMember
Namespace Prefix:
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Balance Type:
Period Type:

- Details

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Subsequent Events (Details) - USD ($)	May 01, 2018	Apr. 27, 2018	Mar. 31, 2018	Dec. 22, 2014	Dec. 16, 2014
Subsequent Event
Subsequent Event [Line Items]
Debt conversion, converted instrument, initial conversion rate (in shares)		224.72
Debt conversion, par value		$ 1,000
Convertible Notes Payable
Subsequent Event [Line Items]
Stated interest rate			3.75%		3.75%
Convertible Notes Payable \| Subsequent Event
Subsequent Event [Line Items]
Stated interest rate		4.75%
Qualified Institutional Buyers
Subsequent Event [Line Items]
Face amount of the Notes				$ 18,750,000.00	$ 125,000,000
Qualified Institutional Buyers \| Subsequent Event
Subsequent Event [Line Items]
Face amount of the Notes	$ 68,000,000	$ 75,100,000
Debt instrument, transaction fee	2.00%