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Stock Compensation Plans (Tables)
 12 Months Ended
Dec. 29, 2012
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

The Company issued no restricted stock units to employees or directors in 2010, 2011 and 2012. The following table presents a summary of non-vested restricted stock units granted to directors as of December 29, 2012:

 

    Number of
Shares		  
       
Vested but unsettled     50,397  
         
Outstanding restricted stock units as of December 29, 2012     50,397  
Schedule of Share-based Compensation, Activity [Table Text Block]

The following table summarizes option activity for each of the three years ended 2012:

 

    Incentive Stock Options     Director Stock Options  
    Granted     Outstanding     Granted     Outstanding  
                         
2012     200,000       607,875       37,500       85,000  
2011     200,000       915,625       37,500       69,024  
2010     299,000       877,500       30,000       51,524  
Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block]

The fair value of each option grant award is estimated on the grant date using the Black-Scholes-Merton option valuation model using the following assumptions:

 

    2012   2011   2010
             
Risk-free interest rates   0.84%   1.51%   1.36%
Dividend yields   5.50%   1.84%   0%
Volatility factors of expected market price of common stock   95.56% to
110.39%		   109.71% to
122.17%		   97.64% to
116.63%
Weighted average expected life of the options   1-4 years   1-4 years   1-4 years
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

The following table summarizes stock option transactions for the three years ended 2012:

 

    2012   2011   2010
    Shares     Option
Price		   Shares     Option
Price		   Shares     Option
Price
                               
Outstanding at beginning of year     984,649     $0.64 to
$9.35		     929,024     $0.64 to
$11.26		     842,600     $0.64 to
$13.40
                                     
Issued during year     237,500     $5.28 to
$5.66		     237,500     $6.07     329,000     $2.56
                                     
Canceled or expired     (25,024 )         (125,625 )         (167,576 )    
                                     
Exercised during year     (504,250 )   $0.64 to
$2.56		     (56,250 )   $0.64 to
$2.56		     (75,000 )   $0.64 to
$0.89
Outstanding at end of year     692,875     $0.64 to
$6.07		     984,649     $0.64 to
$9.35		     929,024     $0.64 to
$11.26
                                     
Exercisable at end of year     192,625           69,399           87,524      
Weighted-average fair value of options granted during the year   $ 3.12         $ 4.03         $ 1.80      
Schedule of Share-based Compensation, Stock Options, Outstanding [Table Text Block]

The following table summarizes information about stock options outstanding at December 29, 2012:

 

    Options Outstanding     Options Exercisable  
Range of
Exercise Prices		   Number of
Shares		     Weighted-Average
Remaining
Contractual Life		   Weighted-Average
Exercise Price		     Number of
Shares		     Weighted-Average
Exercise Price		  
                             
$0.64     33,000     1.3 years   $ 0.64       33,000     $ 0.64  
$2.56     208,875     2.2 years   $ 2.56       76,625     $ 2.56  
$5.28 - $5.66     231,500     4.2 years   $ 5.29       —       —  
$6.07     219,500     3.2 years   $ 6.07       83,000     $ 6.07  
      692,875                   192,625          

 
Schedule of Nonvested Share Activity [Table Text Block]

During the year ended December 29, 2012, the following activity occurred under the Company’s stock option plan:

 

    Number of
Options		     Weighted
Average Grant-
Date Fair Value		  
             
Nonvested balance, beginning of year     915,250     $ 1.63  
Granted     237,500     $ 3.12  
Vested     (634,000 )   $ 1.04  
Forfeited     (18,500 )   $ 3.55  
                 
Nonvested balance, end of year     500,250     $ 3.02