Related Party Transactions-Additional Information (Detail) (USD $)	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012
Advances from related parties	$ 159,500	$ 639,000
Interest expense - related party	$ 97,000	$ 231,000

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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