Note 3 - Share-based Compensation - Nonvested Award Activity (Details) - Stock Unit Award [Member] - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands |
6 Months Ended | ||||
---|---|---|---|---|---|
Jun. 30, 2018 |
Dec. 31, 2017 |
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Outstanding & Unvested (in shares) | 33 | ||||
Outstanding & Unvested, weighted average price per share (in dollars per share) | [1] | $ 16.08 | |||
Outstanding & Unvested, weighted average fair value | [1] | $ 343 | $ 516 | ||
Granted (in shares) | 6 | ||||
Granted, weighted average price per share (in dollars per share) | [1] | $ 21.04 | |||
Granted, weighted average fair value | [1] | $ 126 | |||
Converted to common stock (in shares) | (15) | ||||
Cancelled (in shares) | (5) | ||||
Forfeited (in shares) | |||||
Outstanding & Unvested (in shares) | 19 | ||||
Outstanding & Unvested, weighted average price per share (in dollars per share) | [1] | $ 18.20 | |||
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