Quarterly report pursuant to Section 13 or 15(d)

Debt - Additional Information (Detail)

v3.6.0.2
Debt - Additional Information (Detail) - USD ($)
 3 Months Ended
Dec. 05, 2016
Mar. 31, 2016
Mar. 31, 2016
Dec. 31, 2015
Mar. 23, 2015
First Amended Credit Agreement [Member]          
Line of Credit Facility [Line Items]          
Deadline of annual financial plan and forecast period     30 days    
Amendment to Credit Agreement, description     Amend the Leverage Ratio covenant to provide for the following schedule of maximum permitted ratios: (i) 3.0 to 1.0 at any time on or after the effective date but prior to December 31, 2015, (ii) 2.75 to 1.0 at any time on or after December 31, 2015 but prior to March 31, 2017, (iii) 2.50 to 1.0 at any time on or after March 31, 2017 but prior to March 31, 2018 or (iv) 2.25 to 1.00 at any time on or after March 31, 2018.    
JP Morgan Chase Bank [Member]          
Line of Credit Facility [Line Items]          
Credit facility, maturity date     Mar. 23, 2020    
Credit Facility [Member]          
Line of Credit Facility [Line Items]          
Minimum fixed charge coverage ratio   125.00% 125.00%    
Minimum net worth   $ 37,500,000 $ 37,500,000    
Term Loan A [Member]          
Line of Credit Facility [Line Items]          
Current borrowings under credit facility         $ 27,000,000
Term Loan A [Member] | JP Morgan Chase Bank [Member]          
Line of Credit Facility [Line Items]          
Line of credit facility         27,000,000
Term Loan B [Member]          
Line of Credit Facility [Line Items]          
Remaining available balance   6,100,000 6,100,000    
Term Loan B [Member] | JP Morgan Chase Bank [Member]          
Line of Credit Facility [Line Items]          
Line of credit facility         8,000,000
Revolving Credit Facility [Member]          
Line of Credit Facility [Line Items]          
Current borrowings under credit facility   3,780,000 3,780,000    
Remaining available balance   $ 6,175,000 $ 6,175,000 $ 9,882,000  
Revolving Credit Facility [Member] | JP Morgan Chase Bank [Member]          
Line of Credit Facility [Line Items]          
Line of credit facility         $ 10,000,000
CBFR Loans [Member]          
Line of Credit Facility [Line Items]          
Interest on the credit facility, description     CBFR Loan, which bears interest at a per annum rate equal to (a) the Lender's prime rate or (b) LIBOR for a 30-day interest period Plus 2.50%, in each case, plus a margin ranging from -0.75% to -0.25%.    
Term Loan [Member] | First Amended Credit Agreement [Member]          
Line of Credit Facility [Line Items]          
Credit facility, maturity period     5 years    
Frequency of period payment     Set the quarterly mandatory principal payment due on the Term Loan to $1.3 million due on the last business day of each fiscal quarter with any remaining unpaid and outstanding amount due at maturity.    
Subsequent Event [Member] | Term Loan [Member] | First Amended Credit Agreement [Member]          
Line of Credit Facility [Line Items]          
Current borrowings under credit facility $ 32,000,000        
Additional available balance 5,000,000        
Debt instrument period payment, principal amount $ 1,300,000        
Eurodollar [Member]          
Line of Credit Facility [Line Items]          
Interest on the credit facility, description     Eurodollar Loan, which bears interest at a per annum rate equal to LIBOR Plus a margin ranging from 2.00% to 2.50%    
LIBOR [Member]          
Line of Credit Facility [Line Items]          
Effective floating interest rate   2.50%      
Effective fixed interest rate   2.93% 2.93%    
Debt instrument floor rate   0.43%      
LIBOR [Member] | CBFR Loans [Member]          
Line of Credit Facility [Line Items]          
Effective floating interest rate     2.50%    
Maximum [Member] | Credit Facility [Member]          
Line of Credit Facility [Line Items]          
Leverage ratio for remainder period     300.00%    
Maximum [Member] | Subsequent Event [Member] | First Amended Credit Agreement [Member]          
Line of Credit Facility [Line Items]          
After amendment, maximum leverage covenant ratio at any time on or after the effective date but prior to December 31, 2015 300.00%        
After amendment, maximum leverage covenant ratio at any time on or after December 31, 2015 but prior to March 31, 2017 275.00%        
After amendment, maximum leverage covenant ratio at any time on or after March 31, 2017 but prior to March 31, 2018 250.00%        
After amendment, maximum leverage covenant ratio at any time on or after March 31, 2018 225.00%        
Maximum [Member] | Eurodollar LIBOR Rate [Member]          
Line of Credit Facility [Line Items]          
Effective floating interest rate     2.50%    
Maximum [Member] | LIBOR [Member] | CBFR Loans [Member]          
Line of Credit Facility [Line Items]          
Effective floating interest rate     (0.75%)    
Minimum [Member] | Credit Facility [Member]          
Line of Credit Facility [Line Items]          
Leverage ratio for remainder period     225.00%    
Minimum [Member] | Eurodollar LIBOR Rate [Member]          
Line of Credit Facility [Line Items]          
Effective floating interest rate     2.00%    
Minimum [Member] | LIBOR [Member] | CBFR Loans [Member]          
Line of Credit Facility [Line Items]          
Effective floating interest rate     (0.25%)