Note 10 - Stock-based Compensation - Restricted Stock Units (Details) - $ / shares shares in Thousands |
6 Months Ended | |
---|---|---|
Jun. 30, 2020 |
Jun. 30, 2019 |
|
Outstanding, beginning of period (in shares) | 40 | |
Outstanding, beginning of period, weighted average grant date fair value (in dollars per share) | $ 2 | |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) | 645 | 80 |
Granted, weighted average grant date fair value (in dollars per share) | $ 7.32 | $ 2 |
Outstanding, end of period (in shares) | 685 | 80 |
Outstanding, end of period, weighted average grant date fair value (in dollars per share) | $ 7.01 | $ 2 |