XML 41 R35.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Principal activities and organization - Additional Information (Detail) | Dec. 31, 2012
--- | ---
Jincheng [Member] |
Organization And Principal Business [Line Items] |
Equity interests | 100.00%
Xinshichuang [Member] |
Organization And Principal Business [Line Items] |
Equity interests | 100.00%
Wanshuizhiyuan [Member] |
Organization And Principal Business [Line Items] |
Equity interests | 100.00%
Shenyang Jingli [Member] |
Organization And Principal Business [Line Items] |
Equity interests | 100.00%
Qingdao Kaixiang [Member] |
Organization And Principal Business [Line Items] |
Equity interests | 100.00%
Haiya [Member] |
Organization And Principal Business [Line Items] |
Equity interests | 100.00%
Shengshitongda [Member] |
Organization And Principal Business [Line Items] |
Equity interests | 100.00%
Shanghai Botang [Member] |
Organization And Principal Business [Line Items] |
Equity interests | 100.00%
HK Ad-Icon [Member] |
Organization And Principal Business [Line Items] |
Equity interests | 100.00%
Changsha Jingli [Member] |
Organization And Principal Business [Line Items] |
Equity interests | 100.00%
Wenzhou Rigao [Member] |
Organization And Principal Business [Line Items] |
Equity interests | 100.00%
Wuxi Ruizhong [Member] |
Organization And Principal Business [Line Items] |
Equity interests | 100.00%
Zhejiang Continental [Member] |
Organization And Principal Business [Line Items] |
Equity interests | 100.00%
Shanghai Tiger Shangda [Member] |
Organization And Principal Business [Line Items] |
Equity interests | 100.00%

X
- Details
Name: | idi_OrganizationAndPrincipalBusinessLineItems
Namespace Prefix: | idi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition In a business combination achieved in stages, this element represents the acquisition-date percentage of equity in the acquiree held by the acquirer immediately before the acquisition date. + References No definition available. + Details
Name: | us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant