Quarterly report pursuant to sections 13 or 15(d)

Debt - Summary of Future Maturities of Loans and Capital Leases (Detail)

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Debt - Summary of Future Maturities of Loans and Capital Leases (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2013
Dec. 31, 2012
Line of Credit Facility [Line Items]    
Remainder of 2013 $ 803  
2014 3,252  
2015 3,228  
2016 20,336  
Total 27,619 31,268
Term Loans [Member]
   
Line of Credit Facility [Line Items]    
Remainder of 2013 600  
2014 2,400  
2015 2,400  
2016 19,300  
Total 24,700 26,500
Revolver [Member]
   
Line of Credit Facility [Line Items]    
Remainder of 2013     
2014     
2015     
2016 629  
Total 629 1,800
Capital Leases [Member]
   
Line of Credit Facility [Line Items]    
Remainder of 2013 203  
2014 852  
2015 828  
2016 407  
Total $ 2,290 $ 2,968