Amounts Due to Related Parties (Parenthetical) (Detail) (USD $)	Sep. 30, 2014	Dec. 31, 2013
Related Party Transaction [Line Items]
Amounts due to related parties	$ 148,518	$ 222,676
Liabilities Held For Sale
Related Party Transaction [Line Items]
Amounts due to related parties	$ 10,000	$ 30,000

Carrying amount as of the balance sheet date of obligations due all related parties.

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Name:	us-gaap_DueToRelatedPartiesCurrentAndNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant