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Subsequent Events - Additional Information (Detail) (USD $)
 9 Months Ended 0 Months Ended 9 Months Ended 0 Months Ended 1 Months Ended
Sep. 30, 2014
Oct. 31, 2014
Subsequent Event [Member]
Senior Secured Revolving Credit Facility [Member]
Sep. 30, 2014
Subsequent Event [Member]
Senior Secured Revolving Credit Facility [Member]
Oct. 31, 2014
Subsequent Event [Member]
Senior Secured Revolving Credit Facility [Member]
Oct. 31, 2014
Subsequent Event [Member]
Senior Secured Revolving Credit Facility [Member]
Minimum [Member]
Oct. 31, 2014
Subsequent Event [Member]
Senior Secured Revolving Credit Facility [Member]
Maximum [Member]
Oct. 31, 2014
Subsequent Event [Member]
Wells Fargo Bank, National Association [Member]
Senior Secured Revolving Credit Facility [Member]
Subsequent Event [Line Items]              
Acquisition date             Oct. 31, 2014
Revolving credit facility, maximum revolver amount $ 786,000           $ 25,000,000
Revolving credit facility expiration period             5 years
Letters of credit       $ 3,000,000      
Interest rate base rate description   LIBOR rate          
Revolving credit facility, description     The Company may borrow funds under the Revolver from time to time, with interest payable monthly at a base rate determined by using the daily three month LIBOR rate, plus an applicable margin of 2.50% to 3.00% depending on the Company's liquidity as determined on the last day of each calendar month.        
Interest rate margin 1.00%       2.50% 3.00%