Quarterly report pursuant to Section 13 or 15(d)

Derivative Financial Instruments (Details Textual)

v2.4.0.6
Derivative Financial Instruments (Details Textual) (USD $)
Jun. 30, 2012
Dec. 31, 2011
Derivative Financial Instruments (Textual) [Abstract]    
Fair value of interest rate derivative liabilities $ (316,000) $ (393,000)
Amounts expected to be reclassified to earnings in the next 12 months 100,000  
Industrial Revenue Bond [Member]
   
Derivative Financial Instruments (Textual) [Abstract]    
Notional amount of interest rate swap 2,200,000  
Industrial Revenue [Member]
   
Derivative Financial Instruments (Textual) [Abstract]    
Interest of interest rate swap 3.99%  
Derivative, variable rate basis 3.99% plus a spread based on the Company’s leverage ratio  
Term Note [Member]
   
Derivative Financial Instruments (Textual) [Abstract]    
Notional amount of interest rate swap 7,000,000  
Interest of interest rate swap 2.115%  
Derivative, variable rate basis 2.115% plus a spread based on the Company’s leverage ratio  
Interest Rate Swap 1 [Member]
   
Derivative Financial Instruments (Textual) [Abstract]    
Derivative, date inception Feb. 06, 2006  
Derivative, date maturity Feb. 01, 2016  
Interest Rate Swap [Member]
   
Derivative Financial Instruments (Textual) [Abstract]    
Derivative, date inception Oct. 01, 2009  
Derivative, date maturity Jan. 30, 2014  
Fair value of interest rate derivative liabilities $ 300,000 $ 400,000