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Property and Equipment, Net - Property and Equipment, Net (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Continuing operations:    
Total cost of property and equipment $ 1,766 $ 62
Less: accumulated depreciation and amortization (182)  
Property and equipment, net 1,584 62
Advertising Display Equipment [Member]
    
Continuing operations:    
Total cost of property and equipment 1,749 61
Furniture, Fixtures and Office Equipment [Member]
    
Continuing operations:    
Total cost of property and equipment $ 17 $ 1