Quarterly report pursuant to Section 13 or 15(d)

Note 6 - Capital Stock - Stock Option Activity (Details)

v3.8.0.1
Note 6 - Capital Stock - Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 9 Months Ended 12 Months Ended
Oct. 01, 2017
Jan. 01, 2017
Balance, options outstanding (in shares) 616,766  
Balance, outstanding weighted average exercise price (in dollars per share) $ 1.82  
Balance, aggregate intrinsic value $ 97 $ 8
Balance, outstanding weighted average remaining contractual term (Year) 8 years 255 days 5 years 219 days
Options granted, number of options (in shares) 1,343,716  
Options granted, weighted average exercise price (in dollars per share) $ 1.24  
Options expired, number of options (in shares) (111,282)  
Options expired, weighted average exercise price (in dollars per share) $ 1.84  
Options forfeited, number of options (in shares) (40,721)  
Options forfeited, weighted average exercise price (in dollars per share) $ 1.80  
Balance, options outstanding (in shares) 1,808,479 616,766
Balance, outstanding weighted average exercise price (in dollars per share) $ 1.39 $ 1.82
Balance, options outstanding (in shares) 333,798  
Balance, outstanding weighted average exercise price (in dollars per share) $ 1.92  
Balance, exercisable weighted average remaining contractual term (Year) 4 years 73 days