Annual report pursuant to Section 13 and 15(d)

Note 6 - Stock Option Activity (Details)

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Note 6 - Stock Option Activity (Details) - $ / shares
 12 Months Ended
Jan. 03, 2016
Dec. 28, 2014
Dec. 29, 2013
Balance, options outstanding (in shares) 817,212 435,000 1,400,807
Balance, outstanding weighted average exercise price (in dollars per share) $ 2.07 $ 2.50 $ 2.82
Options granted (in shares) 498,879 235,000
Options granted (in dollars per share) $ 1.80 $ 2.06
Options expired (in shares) (66,667)   (1,127,744)
Options expired (in dollars per share) $ 3.11   $ 2.90
Options exercised (in shares) (73,063)
Options exercised (in dollars per share) $ 0.93
Balance, options outstanding (in shares) 655,114 817,212 435,000
Balance, outstanding weighted average exercise price (in dollars per share) $ 1.98 $ 2.07 $ 2.50
Options forfeited (in shares) (95,431) (116,667)  
Options forfeited (in dollars per share) $ 2.03 $ 2.48  
Balance, outstanding weighted average remaining contractual term 6 years 182 days    
Balance, options exercisable (in shares) 394,098    
Balance, exercisable weighted average exercise price (in dollars per share) $ 2.07    
Balance, exercisable weighted average remaining contractual term 5 years 219 days