XML 86 R63.htm IDEA: XBRL DOCUMENT v2.4.1.9

Statutory Reserve - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Regulated Operations [Abstract]
Minimum percentage of profit after taxes required for appropriations to statutory reserve	10.00%idi_MinimumPercentageOfProfitAfterTaxesRequiredForAppropriationsToStatutoryReserve
Percentage of entity's registered capital reserve fund reached	50.00%idi_PercentageOfEntitysRegisteredCapitalReserveFundReached
Appropriations to the statutory reserve funds	$ 0idi_AppropriationsToStatutoryReserves	$ 0idi_AppropriationsToStatutoryReserves
Accumulated statutory reserve funds	$ 0idi_AccumulatedAppropriationOfStatutoryReserves	$ 0idi_AccumulatedAppropriationOfStatutoryReserves

X

- Definition

Accumulated appropriation of statutory reserves.

+ References

No definition available.

+ Details

Name:	idi_AccumulatedAppropriationOfStatutoryReserves
Namespace Prefix:	idi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Appropriations to statutory reserves.

+ References

No definition available.

+ Details

Name:	idi_AppropriationsToStatutoryReserves
Namespace Prefix:	idi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Minimum percentage of profit after taxes required for appropriations to statutory reserve.

+ References

No definition available.

+ Details

Name:	idi_MinimumPercentageOfProfitAfterTaxesRequiredForAppropriationsToStatutoryReserve
Namespace Prefix:	idi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percentage of entity's registered capital reserve fund reached.

+ References

No definition available.

+ Details

Name:	idi_PercentageOfEntitysRegisteredCapitalReserveFundReached
Namespace Prefix:	idi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Details

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