Note 7 - Stockholders' Equity (Deficiency) - Stock Option Activity (Details) - $ / shares |
9 Months Ended | 12 Months Ended |
---|---|---|
Sep. 30, 2017 |
Dec. 31, 2016 |
|
Outstanding and exercisable, number of options, balance (in shares) | 1,010,000 | |
Outstanding and exercisable, weighted average exercise price (in dollars per share) | $ 0.42 | |
Granted, number of options (in shares) | 0 | 1,010,000 |
Granted, weighted average exercise price (in dollars per share) | $ 0.42 | |
Exercised, number of options (in shares) | 0 | |
Exercised, weighted average exercise price (in dollars per share) | ||
Expired, number of options (in shares) | (130,000) | |
Expired, weighted average exercise price (in dollars per share) | $ (0.42) | |
Outstanding and exercisable, number of options, balance (in shares) | 880,000 | 1,010,000 |
Outstanding and exercisable, weighted average exercise price (in dollars per share) | $ 0.42 | $ 0.42 |