XML 49 R39.htm IDEA: XBRL DOCUMENT v3.20.2
Note 6 - Stock-based Compensation - Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 6 Months Ended
Jun. 30, 2020
Outstanding at January 1, 2020 (in shares) 1,541,792
Outstanding at January 1, 2020, weighted average exercise price (in dollars per share) $ 6.88
Granted (in shares) 251,000
Granted, weighted average exercise price (in dollars per share) $ 6.51
Exercised (in shares) (16,631)
Exercised, weighted average exercise price (in dollars per share) $ 4.58
Forfeited or expired (in shares) (13,084)
Forfeited or expired, weighted average exercise price (in dollars per share) $ 7.77
Outstanding at June 30, 2020 (in shares) 1,763,077
Outstanding at March 31, 2020, weighted average exercise price (in dollars per share) $ 6.84
Outstanding at March 31, 2020, weighted average remaining contractual term (Year) 3 years 3 months 10 days
Outstanding at March 31, 2020, aggregate intrinsic value $ 1,734
Vested and Expected to Vest (in shares) 1,651,988
Options vested and expected to vest, weighted average exercise price (in dollars per share) $ 6.78
Options vested and expected to vest, weighted average remaining contractual term (Year) 3 years 29 days
Options vested and expected to vest, aggregate intrinsic value $ 1,711
Exercisable at June 30, 2020 (in shares) 1,194,342
Exercisable at March 31, 2020, weighted average exercise price (in dollars per share) $ 6.45
Exercisable at March 31, 2020, weighted average remaining contractual term (Year) 1 year 10 months 13 days
Exercisable at March 31, 2020, aggregate intrinsic value $ 1,610