Annual report pursuant to Section 13 and 15(d)

Long-Term Debt and Note Payable (Details Textual)

v2.4.0.6
Long-Term Debt and Note Payable (Details Textual) (USD $)
 12 Months Ended 12 Months Ended 12 Months Ended 1 Months Ended 1 Months Ended 12 Months Ended 12 Months Ended
Dec. 31, 2012
Jan. 31, 2012
Dec. 31, 2011
Dec. 31, 2012
Senior Notes [Member]
Dec. 31, 2012
Subordinated Notes [Member]
Dec. 31, 2012
Series 2007 Industrial Revenue Bonds [Member]
Dec. 31, 2012
Series 1999 Industrial Revenue Bonds [Member]
Dec. 31, 2012
Series 1998 Industrial Revenue Bonds [Member]
Dec. 31, 2012
Notes Payable to Banks [Member]
Dec. 31, 2012
Minimum [Member]
Aug. 31, 2011
Minimum [Member]
Dec. 31, 2012
Minimum [Member]
Senior Notes [Member]
Dec. 31, 2012
Maximum [Member]
Aug. 31, 2011
Maximum [Member]
Dec. 31, 2012
Maximum [Member]
Senior Notes [Member]
Aug. 30, 2011
Credit Agreement [Member]
Minimum [Member]
Dec. 31, 2012
Credit Agreement [Member]
Minimum [Member]
Aug. 30, 2011
Credit Agreement [Member]
Maximum [Member]
Dec. 31, 2012
Credit Agreement [Member]
Maximum [Member]
Dec. 31, 2012
Revolving Credit Facility [Member]
Aug. 31, 2011
Revolving Credit Facility [Member]
Dec. 31, 2012
Revolving Credit Facility [Member]
Minimum [Member]
Dec. 31, 2012
Revolving Credit Facility [Member]
Maximum [Member]
Aug. 31, 2011
Revolving Credit Facility [Member]
Credit Agreement [Member]
Dec. 31, 2012
Term Loan [Member]
Long-term Debt and Notes Payable (Textual) [Abstract]                                                  
Senior Term Notes, payable       $ 2,000,000                                          
Balloon payment in 2014       5,000,000                                          
Interest rate   6.00%     6.00% 1.90% 1.90% 1.90% 3.00%                                
New York Industrial Development Agency payable           340,000 350,000 400,000                                  
Note Payable at Canadian Prime                 14,000                                
Revolving credit line 7,000,000                                     35,000,000       35,000,000  
Line of Credit Maturity                                       Aug. 31, 2016         Jan. 30, 2014
Term loan principal amount                                                 13,000,000
Credit facility allocated 20,000,000                                       20,000,000        
Interest rate on revolving credit at LIBOR rate       1.70%             2.75% 1.50%   4.50% 2.50%   1.50%   2.50% 1.70%   1.50% 2.50%    
Percentage of commitment fee on unused portion of the total credit commitment, minimum                   0.25%     0.35%     0.30%   0.50%              
Long-term Debt and Notes Payable (Additional Textual) [Abstract]                                                  
Outstanding letters of credit 5 years                                                
Interest rate on revolving credit line and term loan at LIBOR rate LIBOR plus between 1.50% and 2.50% based on the Company’s Leverage Ratio                                                
The covenant for minimum fixed charge coverage 1.25   1.25                                            
Minimum fixed charge coverage 2.37                                                
The covenant for maximum leverage 3.25   3.25                                            
Actual maximum leverage ratio 0.71                                                
Capital expenditure excluding acquisition and completion 4,700,000                                                
Covenant for maximum capital expenditures 15,000,000                                                
Acquisition and completion 18,300,000                                                
Revolving credit facility 17,900,000                                                
Outstanding letters of credit 10,100,000                                                
Subordinated promissory note amount   $ 5,000,000