Quarterly report pursuant to Section 13 or 15(d)

Note 8 - Summary of Stock Options - Summary of Option Activity Under All Plans (Details)

v3.3.0.814
Note 8 - Summary of Stock Options - Summary of Option Activity Under All Plans (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2015
Beginning Of Period [Member]  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term 9 years 116 days
Options outstanding, end of period 9 years 116 days
End of Period [Member]  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term 8 years 306 days
Options outstanding, end of period 8 years 306 days
Options outstanding, beginning of period (in shares) 2,291,783
Options outstanding, beginning of period (in dollars per share) $ 1.02
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 1,082,000
Options granted (in dollars per share) $ 0.61
Options canceled (in shares) (21,000)
Options canceled (in dollars per share) $ 1
Options outstanding, end of period (in shares) 3,352,783
Options outstanding, end of period (in dollars per share)
Options outstanding, end of period $ 686,174
Vested and exercisable and expected to vest, end of period (in shares) 3,122,622
Vested and exercisable and expected to vest, end of period (in dollars per share) $ 0.91
Vested and exercisable and expected to vest, end of period 8 years 295 days
Vested and exercisable and expected to vest, end of period $ 634,288
Vested and exercisable, end of period (in shares) 864,510
Vested and exercisable, end of period (in dollars per share) $ 1.70
Vested and exercisable, end of period 7 years 262 days
Vested and exercisable, end of period $ 104,545