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Income Taxes - Additional Information (Detail) (USD $)
 3 Months Ended 12 Months Ended
Mar. 31, 2014
Dec. 31, 2011
Dec. 31, 2010
Income Tax Disclosure [Abstract]      
Valuation allowance $ 17,800,000 $ 14,400,000  
Percentage of change in ownership for operating loss carry forward     50.00%
Annual limitation on use of pre-ownership changes losses 284,000    
Net operating loss carryforwards 36,200,000    
Carryforward period of ownership 20 years    
Utilize pre-ownership change losses 5,600,000    
Write-off deferred tax assets   $ 10,400,000