Note 9 - Net Loss Per Share - Antidilutive Securities Excluded From Computation of Earnings Per Share (Details) - shares shares in Thousands |
3 Months Ended | 6 Months Ended | ||
---|---|---|---|---|
Jun. 30, 2020 |
Jun. 30, 2019 |
Jun. 30, 2020 |
Jun. 30, 2019 |
|
Antidilutive Securities (in shares) | 1,163 | 370 | 1,192 | 1,182 |
Share-based Payment Arrangement, Option [Member] | ||||
Antidilutive Securities (in shares) | 231 | 192 | 253 | 466 |
Restricted Stock Units (RSUs) [Member] | ||||
Antidilutive Securities (in shares) | 803 | 178 | 736 | 460 |
Performance Shares [Member] | ||||
Antidilutive Securities (in shares) | 71 | 0 | 145 | 162 |
ESPP [Member] | ||||
Antidilutive Securities (in shares) | 58 | 0 | 58 | 94 |