Annual report pursuant to Section 13 and 15(d)

Debt - Additional Information (Detail)

v3.3.1.900
Debt - Additional Information (Detail) - USD ($)
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
May. 19, 2014
Nov. 30, 2012
Dec. 31, 2015
Dec. 31, 2014
Mar. 23, 2015
Line of Credit Facility [Line Items]              
Credit facility, maturity date         Nov. 30, 2016    
Interest on the credit facility, description         LIBOR plus 7.25% (with a LIBOR floor of 2.0%) or the Wells Fargo prime rate plus 6.25% (with a prime rate floor of 3.0%)    
Amendment to Credit Agreement, description         On January 23, 2015, the Company entered into the Third Amendment to the WF Credit Agreement with Wells Fargo and PennantPark. This amendment increased the maximum Leverage Covenant ratio for the period ending December 31, 2014 and all subsequent periods to 2.00:1.00. Prior to this amendment, the maximum Leverage Covenant ratio for the periods ending (a) December 31, 2014 through March 31, 2015 was 1.50:1.00, (b) June 30, 2015 through September 30, 2015 was 1.25:1.00, (c) December 31, 2015 through September 30, 2016 was 1.00:1.00.    
Loss on extinguishment of long-term debt         $ (1,599,000)    
JP Morgan Chase Bank [Member]              
Line of Credit Facility [Line Items]              
Credit facility, maturity date         Mar. 23, 2020    
Second Amendment [Member]              
Line of Credit Facility [Line Items]              
Interest on the credit facility, description         (i) LIBOR plus 6.75% (with a LIBOR floor of 1.0%, for an effective fixed rate of 7.75%) or (ii) the Wells Fargo prime rate plus 4.75% (with a prime rate floor of 3.0%, for an effective floating rate of 8.0%).    
Effective floating interest rate   8.00%          
Decrease in effective floating and fixed interest rate     (1.50%)        
Effective fixed interest rate   7.75%       7.75%  
Effective interest rate on all outstanding borrowings           7.90%  
LIBOR [Member]              
Line of Credit Facility [Line Items]              
Effective floating interest rate 2.50%     7.25%      
Debt instrument floor rate 0.23%     2.00%      
Effective fixed interest rate 2.73%       2.73%    
LIBOR [Member] | Second Amendment [Member]              
Line of Credit Facility [Line Items]              
Effective floating interest rate   6.75%          
Debt instrument floor rate   1.00%          
Prime Rate [Member]              
Line of Credit Facility [Line Items]              
Effective floating interest rate       6.25%      
Debt instrument floor rate       3.00%      
Prime Rate [Member] | Second Amendment [Member]              
Line of Credit Facility [Line Items]              
Effective floating interest rate   4.75%          
Debt instrument floor rate   3.00%          
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%    
Maximum [Member]              
Line of Credit Facility [Line Items]              
Leverage Covenant ratio 2       2    
Prior to amendment, maximum leverage covenant ratio for the period December 31, 2014 through March 31, 2015 150.00%       150.00%    
Prior to amendment, maximum leverage covenant ratio for the period June 30, 2015 through September 30, 2015 125.00%       125.00%    
Prior to amendment, maximum leverage covenant ratio for the period December 31, 2015 through September 30, 2016 100.00%       100.00%    
Maximum [Member] | Eurodollar LIBOR Rate [Member]              
Line of Credit Facility [Line Items]              
Effective floating interest rate         2.50%    
Minimum [Member] | Eurodollar LIBOR Rate [Member]              
Line of Credit Facility [Line Items]              
Effective floating interest rate         2.00%    
Term Loan A [Member]              
Line of Credit Facility [Line Items]              
Line of credit facility       $ 12,000,000      
Current borrowings under credit facility             $ 27,000,000
Debt instrument period payment, principal amount         $ 1,000,000    
Optional pre-payments         4,800,000    
Prepayment of debt         1,900,000    
Remaining future repayment of debt         2,900,000    
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]              
Line of credit facility       14,500,000      
Current borrowings under credit facility $ 6,300,000       6,300,000    
Additional available balance $ 1,700,000       $ 1,700,000    
Frequency of period payment         Under the terms of the Chase Credit Agreement, principal payments equal to $1.0 million are due on Term Loan A on the last business day of each quarter beginning with the last business day of September 2015 and are due until the maturity date of the Chase Credit Facility. Principal payments on Term Loan B are due on the last business day of each fiscal quarter beginning with the last business day of March 2016.    
Term Loan B [Member] | JP Morgan Chase Bank [Member]              
Line of Credit Facility [Line Items]              
Line of credit facility             8,000,000
Term Loan B [Member] | First Eight Quarterly Payments [Member]              
Line of Credit Facility [Line Items]              
Percentage of principal balance         3.575%    
Term Loan B [Member] | Next Eight Quarterly Payments [Member]              
Line of Credit Facility [Line Items]              
Percentage of principal balance         4.475%    
Revolving Credit Facility [Member]              
Line of Credit Facility [Line Items]              
Line of credit facility       $ 10,000,000      
Current borrowings under credit facility   $ 566,000       $ 566,000  
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%.    
CBFR Loans [Member] | LIBOR [Member]              
Line of Credit Facility [Line Items]              
Effective floating interest rate         2.50%    
CBFR Loans [Member] | Maximum [Member] | LIBOR [Member]              
Line of Credit Facility [Line Items]              
Effective floating interest rate         (0.75%)    
CBFR Loans [Member] | Minimum [Member] | LIBOR [Member]              
Line of Credit Facility [Line Items]              
Effective floating interest rate         (0.25%)    
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    
Credit Facility [Member] | Maximum [Member]              
Line of Credit Facility [Line Items]              
Leverage ratio for remainder period         300.00%    
Credit Facility [Member] | Minimum [Member]              
Line of Credit Facility [Line Items]              
Leverage ratio for remainder period         225.00%