Accrued Expenses and Other Payables - Schedule of Accrued Expenses and Other Payables (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015
Payables and Accruals [Abstract]
Accrued professional fees	$ 523
Accrued payroll	44us-gaap_AccruedEmployeeBenefitsCurrent
Surcharges payable	77idi_AccruedSurchargesPayableCurrent
Insurance payable	288us-gaap_AccruedInsuranceCurrent
Other current liabilities	186us-gaap_OtherLiabilitiesCurrent
Total accrued expenses and other payables	$ 1,118

Carrying value as of the balance sheet date of obligations, excluding pension and other postretirement benefits, incurred through that date and payable for perquisites provided to employees pertaining to services received from them. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of obligations incurred through that date and payable to insurance entities to mitigate potential loss from various risks or to satisfy a promise to provide certain coverage's to employees. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Aggregate carrying amount of current liabilities (due within one year or within the normal operating cycle if longer) not separately disclosed in the balance sheet. Includes costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered and of liabilities not separately disclosed.

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