Other Related Party Transactions - Additional Information (Detail) (Executive Vice President [Member], USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Executive Vice President [Member]
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Fees for consulting work performed	$ 62,500	$ 62,500
Payment of annual bonus compensation	$ 47,500	$ 55,000