Quarterly report pursuant to Section 13 or 15(d)

Debt - Additional Information (Detail)

v3.6.0.2
Debt - Additional Information (Detail) - USD ($)
 9 Months Ended
Dec. 05, 2016
Sep. 30, 2016
Dec. 31, 2015
Mar. 23, 2015
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    
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   $ 5,900,000    
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   5,267,000    
Remaining available balance   $ 4,688,000 $ 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%    
Credit Facility [Member]        
Line of Credit Facility [Line Items]        
Minimum fixed charge coverage ratio   125.00%    
Minimum net worth   $ 37,500,000    
Term Loan [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.    
Term Loan [Member] | Subsequent Event [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      
LIBOR [Member] | Term Loan A [Member]        
Line of Credit Facility [Line Items]        
Effective floating interest rate   2.50%    
Effective fixed interest rate   3.02%    
Debt instrument floor rate   0.52%    
LIBOR [Member] | Term Loan B [Member]        
Line of Credit Facility [Line Items]        
Effective floating interest rate   2.50%    
Effective fixed interest rate   3.02%    
Debt instrument floor rate   0.52%    
LIBOR [Member] | CBFR Loans [Member]        
Line of Credit Facility [Line Items]        
Effective floating interest rate   2.50%    
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%    
JPM Chase Prime Rate [Member] | Revolving Credit Facility [Member]        
Line of Credit Facility [Line Items]        
Effective floating interest rate   0.25%    
Effective fixed interest rate   3.25%    
Debt instrument floor rate   3.50%    
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] | Credit Facility [Member]        
Line of Credit Facility [Line Items]        
Leverage ratio for remainder period   300.00%    
Maximum [Member] | LIBOR [Member] | CBFR Loans [Member]        
Line of Credit Facility [Line Items]        
Effective floating interest rate   (0.75%)    
Maximum [Member] | Eurodollar LIBOR Rate [Member]        
Line of Credit Facility [Line Items]        
Effective floating interest rate   2.50%    
Minimum [Member] | Credit Facility [Member]        
Line of Credit Facility [Line Items]        
Leverage ratio for remainder period   225.00%    
Minimum [Member] | LIBOR [Member] | CBFR Loans [Member]        
Line of Credit Facility [Line Items]        
Effective floating interest rate   (0.25%)    
Minimum [Member] | Eurodollar LIBOR Rate [Member]        
Line of Credit Facility [Line Items]        
Effective floating interest rate   2.00%