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Notes Payable - Additional Information (Detail) (Revolving Credit Facility One, USD $)
 3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2013
Nov. 30, 2013
Line Of Credit Facility [Line Items]        
Revolving credit line       $ 10,000,000
Revolving credit agreement maturity date Oct. 01, 2015      
Credit facility's interest rate, Description interest is being capitalized at the 30 day LIBOR rate      
Leverage test of total liabilities to total net worth 1.25      
Fixed Charge Coverage Ratio 1.00      
Borrowed under the agreement 1,500,000   500,000  
Additional borrowings available based on the Company's borrowing 8,400,000   7,900,000  
Interest capitalized $ 5,000 $ 0    
London Interbank Offered Rate (LIBOR)
        
Line Of Credit Facility [Line Items]        
Credit facility's interest rate, Description credit facility’s interest rate is London Interbank Offered Rate (“LIBOR”) (0.15% at March 31, 2014) plus 3.25% per annum      
Credit facility's interest rate 3.25%      
Commitment fee of the unused portion of the credit 0.30%