Annual report pursuant to Section 13 and 15(d)

Note 6 - Valuation Assumptions of Stock Options (Details)

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Note 6 - Valuation Assumptions of Stock Options (Details) - $ / shares
12 Months Ended
Dec. 28, 2014
Dec. 29, 2013
Black-Scholes weighted-average assumptions    
Expected dividend yield 0.00% 0.00%
Expected volatility 57.00% 69.10%
Expected forfeiture 18.00% 16.00%
Risk-free interest rate 1.22% 0.40%
Expected option life in years 4 years 73 days 3 years 255 days
Weighted-average stock option fair value per option granted (in dollars per share) $ 0.82 $ 1.03