Other Current Liabilities (Detail) (USD $)	Dec. 31, 2014	Dec. 31, 2013
Other Liabilities Current [Line Items]
Accrued expenses	$ 10,763,075us-gaap_AccruedLiabilitiesCurrent	$ 5,231,299us-gaap_AccruedLiabilitiesCurrent
Other payables	7,816,735us-gaap_OtherAccruedLiabilitiesCurrent	2,391,233us-gaap_OtherAccruedLiabilitiesCurrent
Other tax payable	4,105,539us-gaap_TaxesPayableCurrent	1,675,452us-gaap_TaxesPayableCurrent
Accrued professional fees	2,557,954us-gaap_AccruedProfessionalFeesCurrent	5,003,932us-gaap_AccruedProfessionalFeesCurrent
Accrued client service fees	1,279,587us-gaap_PayablesToCustomers	736,165us-gaap_PayablesToCustomers
Conference fees payable	736,749us-gaap_OtherSundryLiabilitiesCurrent	189,166us-gaap_OtherSundryLiabilitiesCurrent
Other liabilities, current	$ 27,259,639	$ 15,227,247

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Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.

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Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to 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. Examples include taxes, interest, rent and utilities. 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 for professional fees, such as for legal and accounting services received. 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 arising from transactions not otherwise specified in the taxonomy. 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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Obligations not otherwise itemized or categorized in the footnotes to the financial statements that are due within one year or operating cycle, if longer, from the balance sheet date.

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Amounts payable to customers at the balance sheet date. The term customers generally excludes other broker-dealers; persons who are principal officers, directors, and stockholders; and persons whose securities or funds are part of the regulatory net capital of the broker-dealer. Another broker-dealer's account can be classified as a customer if the account is carried as an omnibus account in compliance with certain regulations. The accounts of principal officers, directors and stockholders may be combined in the customer captions if they are not material and the combination is disclosed in the oath that is required to accompany the annual audited FOCUS Report.

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Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes. 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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