Annual report pursuant to Section 13 and 15(d)

Note 6 - Stock-based Compensation - Stock Options Outstanding (Details)

v3.7.0.1
Note 6 - Stock-based Compensation - Stock Options Outstanding (Details)
Jan. 01, 2017
$ / shares
shares
Outstanding options, weighted average exercise price (in dollars per share) $ 1.82
Exercisable options (in shares) | shares 445,080
Exercisable options, weighted average exercise price (in dollars per share) $ 1.90
Exercise Price Range 1 [Member]  
Outstanding options, weighted average exercise price (in dollars per share) $ 1.80
Exercisable options (in shares) | shares 270,080
Exercisable options, weighted average exercise price (in dollars per share) $ 1.80
Exercise Price Range 2 [Member]  
Outstanding options, weighted average exercise price (in dollars per share) $ 1.96
Exercisable options (in shares) | shares 25,000
Exercisable options, weighted average exercise price (in dollars per share) $ 1.96
Exercise Price Range 3 [Member]  
Outstanding options, weighted average exercise price (in dollars per share) $ 2.02
Exercisable options (in shares) | shares 100,000
Exercisable options, weighted average exercise price (in dollars per share) $ 2.02
Exercise Price Range 4 [Member]  
Outstanding options, weighted average exercise price (in dollars per share) $ 2.19
Exercisable options (in shares) | shares 50,000
Exercisable options, weighted average exercise price (in dollars per share) $ 2.19
Exercise Price Range 5 [Member]  
Outstanding options, weighted average exercise price (in dollars per share) $ 1.33
Exercisable options (in shares) | shares
Exercisable options, weighted average exercise price (in dollars per share)