XML 29 R56.htm IDEA: XBRL DOCUMENT v2.4.0.6

Statutory reserve - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Statutory Reserve [Line Items]
Minimum percentage of profit after taxes required for appropriations to statutory reserve		10.00%
Percentage of entity's registered capital reserve fund reached		50.00%
Appropriations to the statutory reserve funds	$ 0	$ 0
Accumulated statutory reserve funds	$ 162	$ 162

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:	idi_StatutoryReserveLineItems
Namespace Prefix:	idi_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration