Annual report pursuant to Section 13 and 15(d)

Note 7 - Stock-based Compensation - Restricted Stock Units Activity (Details)

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Note 7 - Stock-based Compensation - Restricted Stock Units Activity (Details) - Restricted Stock Units (RSUs) [Member] - $ / shares
12 Months Ended
Dec. 29, 2019
Dec. 30, 2018
Dec. 31, 2017
Balance, outstanding options (in shares) 357,377 576,023 1,090,126
Balance, outstanding weighted average stock price (in dollars per share) $ 0.96 $ 1.13 $ 1.22
RSU granted (in shares) 375,326 54,811 229,950
RSU granted (in dollars per share) $ 3.55 $ 3.09 $ 1.50
RSU forfeited (in shares) (25,000) (75,151) (261,606)
RSU forfeited (in dollars per share) $ 1.38 $ 0.91 $ 0.89
RSU converted into common shares (in shares) 359,703 (198,306) (482,447)
RSU converted into common shares (in dollars per share) $ 1.54 $ 1.82 $ 1.72
Balance, outstanding weighted average remaining contractual term (Year) 2 years 83 days 1 year 76 days 1 year 306 days
Balance, outstanding options (in shares) 348,000 357,377 576,023
Balance, outstanding weighted average stock price (in dollars per share) $ 3.16 $ 0.96 $ 1.13