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Stock-Based Plans and Stock-Based Compensation (Details) (USD $)
12 Months Ended 3 Months Ended 12 Months Ended
Dec. 31, 2012
Dec. 31, 2012
Selling, general and administrative [Member]
Dec. 31, 2011
Selling, general and administrative [Member]
Dec. 31, 2010
Selling, general and administrative [Member]
Dec. 31, 2012
Minimum [Member]
Dec. 31, 2011
Minimum [Member]
Dec. 31, 2012
Maximum [Member]
Dec. 31, 2011
Maximum [Member]
Dec. 31, 2012
Stock Options [Member]
Dec. 31, 2011
Stock Options [Member]
Dec. 31, 2010
Stock Options [Member]
Dec. 31, 2010
Stock Options [Member]
Minimum [Member]
Dec. 31, 2010
Stock Options [Member]
Maximum [Member]
Jun. 30, 2012
Performance Shares [Member]
Jun. 30, 2011
Performance Shares [Member]
Dec. 31, 2012
Performance Shares [Member]
Dec. 31, 2012
Stock Grants [Member]
Dec. 31, 2012
2010 Stock Incentive Plan [Member]
Dec. 31, 2012
2007 Stock Incentive Plan [Member]
Dec. 31, 2012
2002 Stock Option Plan [Member]
Dec. 31, 2012
2002 Stock Option Plan [Member]
Employees [Member]
Minimum [Member]
Dec. 31, 2012
2002 Stock Option Plan [Member]
Employees [Member]
Maximum [Member]
Dec. 31, 2012
2002 Stock Option Plan [Member]
Director [Member]
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                              
Award vesting period                                   5 years 5 years   4 years 5 years  
Vested options exercisable term                                   10 years 10 years 10 years     3 months
Number of shares authorized (in shares)                                   750,000          
Number of shares available for grant (in shares)                                   325,157          
Maximum number of performance shares to vest from issuance of all available shares (in shares) 172,395                                            
Options, Additional Disclosures [Abstract]                                              
Weighted average per share fair value of stock options granted (in dollars per share)                 $ 4.84 $ 5.99 $ 2.68                        
Intrinsic value of stock options exercised                 $ 40,000 $ 60,000 $ 252,000                        
Intrinsic value of fully-vested stock awards granted                 366,000 243,000 61,000                        
Options outstanding, Aggregate intrinsic value                 664,000,000                            
Options outstanding, Weighted average remaining contractual term                 7 years 9 months 18 days                            
Options exercisable, Number (in shares)                 111,328                            
Options exercisable, , Weighted Average Exercise Price (in dollars per share)                 $ 3.49                            
Options exercisable, Aggregate intrinsic value                 366,000,000                            
Options exercisable, Weighted Average Remaining Contractual Term                 6 years 1 month 24 days                            
Unrecognized stock-based compensation expense 1,200,000                                            
Weighted average remaining vesting period 3 years 2 months 12 days                                            
Fair Value Assumptions and Methodology [Abstract]                                              
Risk-free interest rate (in hundredths)                 1.46% 2.84%   2.64% 3.86%                    
Dividend yield (in hundredths)                 0.00% 0.00% 0.00%                        
Expected life                 8 years 1 month 24 days 7 years 6 months 10 years                        
Volatility (in hundredths)                 60.39% 62.10% 62.54%                        
Stock Option Activity [Roll Forward]                                              
Outstanding at beginning of period (in shares)                 252,240                            
Granted (in shares)                 123,525                            
Exercised (in shares)                 6,500                            
Forfeited ( in shares)                 600                            
Outstanding at end of period (in shares)                 368,665 252,240                          
Weighted Average Exercise Price [Roll Forward]                                              
Outstanding at beginning of period (in dollars per share)                 $ 4.30                            
Granted ( dollars per share)                 $ 7.62                            
Exercised (in dollars per share)                 $ 2.02                            
Forfeited (in dollars per share)                 $ 2.02                            
Outstanding at end of period (in dollars per share)                 $ 5.46 $ 4.30                          
Performance-Based Stock Grants [Abstract]                                              
Stock awards (in shares)                           104,865 67,530   22,939            
Performance goals, net sales period                               3 years              
Award vesting range (in hundredths)         0.00% 0.00% 125.00% 100.00%                              
Stock Grants [Abstract]                                              
Fair Value of stock granted                                 25,000            
Number of shares authorized per non-employee director (in shares)                                 3,277            
Number of non employee directors                                 7            
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]                                              
Stock-based compensation expense   $ 547,000 $ 467,000 $ 99,000