v2.4.0.8

Segment And Geographic Information - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of business segment operated currently	1
Geographic Concentration Risk [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of fixed assets into company's net assets	1.00%
Geographic Concentration Risk [Member] | Minimum [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Company's consolidated net revenue	10.00%	10.00%	10.00%
Geographic Concentration Risk [Member] | Argentina [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Company's consolidated net revenue			25.00%
Geographic Concentration Risk [Member] | Central America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Company's consolidated net revenue	14.00%	16.00%
Geographic Concentration Risk [Member] | Peru [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Company's consolidated net revenue	20.00%	11.00%
Geographic Concentration Risk [Member] | Guatemala [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Company's consolidated net revenue	15.00%
Geographic Concentration Risk [Member] | Puerto Rico [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Company's consolidated net revenue	13.00%

X

- Definition

Estimated percentage of fixed assets to aggregate net assets.

+ References

No definition available.

+ Details

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Namespace Prefix:	ifon_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of business segment.

+ References

No definition available.

+ Details

Name:	ifon_NumberOfBusinessSegment
Namespace Prefix:	ifon_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 21

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13537-108611



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13531-108611



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 18

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592

+ Details

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

X

- Details

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