Quarterly report pursuant to Section 13 or 15(d)

Note 7 - Capital Stock - Stock Option Activity (Details)

v3.19.1
Note 7 - Capital Stock - Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2019
Dec. 30, 2018
Dec. 31, 2018
Balance, options outstanding (in shares) 1,719,824    
Balance, outstanding weighted average exercise price (in dollars per share) $ 1.55    
Balance, aggregate intrinsic value $ 2,516   $ 1,998
Balance, outstanding weighted average remaining contractual term (Year) 8 years 36 days 8 years 219 days  
Options granted, number of options (in shares) 0    
Options granted, weighted average exercise price (in dollars per share)    
Options exercised (in shares) 0    
Options exercised, weighted average exercise price (in dollars per share)    
Options forfeited (in shares) 0    
Options forfeited, weighted average exercise price (in dollars per share)    
Balance, options outstanding (in shares) 1,719,824 1,719,824  
Balance, outstanding weighted average exercise price (in dollars per share) $ 1.55 $ 1.55  
Exercisable, number of options (in shares) 1,101,090    
Exercisable, weighted average exercise price (in dollars per share) $ 1.54    
Exercisable, aggregate intrinsic value $ 2,464    
Exercisable weighted average remaining contractual term (Year) 7 years 328 days