Quarterly report pursuant to Section 13 or 15(d)

Debt - Additional Information (Detail)

v2.4.0.8
Debt - Additional Information (Detail) (USD $)
0 Months Ended 9 Months Ended 0 Months Ended 9 Months Ended 9 Months Ended
Sep. 30, 2014
May 19, 2014
Apr. 11, 2014
Sep. 30, 2014
Sep. 30, 2014
LIBOR [Member]
Sep. 30, 2014
Prime Rate [Member]
Sep. 30, 2014
Credit Facility [Member]
Dec. 31, 2012
Credit Facility [Member]
Sep. 30, 2014
Credit Facility [Member]
Minimum [Member]
Sep. 30, 2014
Credit Facility [Member]
Maximum [Member]
Nov. 30, 2012
Term Loan A [Member]
Nov. 30, 2012
Term Loan B [Member]
Sep. 30, 2014
Revolving Credit Facility [Member]
Dec. 31, 2013
Revolving Credit Facility [Member]
Nov. 30, 2012
Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]                              
Line of credit facility                     $ 12,000,000 $ 14,500,000     $ 10,000,000
Credit facility, maturity date       Nov. 30, 2016                      
Decrease in effective floating and fixed interest rate   (1.50%)                          
Effective fixed interest rate       7.75%                      
Interest on the credit facility, description       LIBOR plus 6.75% (with a LIBOR floor of 1.0%, for an effective fixed rate of 7.75%) or 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%       6.75% 4.75%                  
Debt instrument floor rate         1.00% 3.00%                  
Minimum fixed charge coverage ratio             1.25                
Fixed charge coverage ratio for the remainder period             1.50   1.25 2.00          
Maximum leverage ratio             2.50                
Leverage ratio for remainder period             1.75   1.00 2.50          
Credit Facility subject to limitation on Capital Expenditures               1,250,000         6,685,000 5,900,000  
Credit Facility subject to limitation on Capital Expenditures in year one             5,500,000                
Credit Facility subject to limitation on Capital Expenditures in year two             5,500,000                
Credit Facility subject to limitation on Capital Expenditures in year three             5,500,000                
Credit Facility subject to limitation on Capital Expenditures in year four             5,500,000                
Repayment of credit facility     $ 1,600,000