Note 6 - Stock Options - Stock Option Activity (Details) - $ / shares |
12 Months Ended | |
---|---|---|
Nov. 30, 2015 |
Nov. 30, 2014 |
|
Minimum [Member] | ||
Outstanding at end of year (in dollars per share) | $ 1.275 | |
Maximum [Member] | ||
Options outstanding at beginning of year (in dollars per share) | $ 1.156 | |
Outstanding at end of year (in dollars per share) | $ 1.156 | |
Options outstanding at beginning of year (in shares) | 314,400 | 368,373 |
Options outstanding at beginning of year (in dollars per share) | $ 1.16 | $ 1.16 |
Forfeited or expired (in shares) | (76,900) | (53,973) |
Forfeited or expired (in dollars per share) | $ 0.93 | $ 0.96 |
Outstanding at end of year (in shares) | 237,500 | 314,400 |
Outstanding at end of year (in dollars per share) | $ 1.275 | $ 1.16 |