Note 10 - Equity - Summary of Stock-based Compensation and Unrecognized Compensation (Details) - Phantom Restricted Stock Award [Member] - USD ($) $ in Thousands |
12 Months Ended | |||
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Dec. 31, 2022 |
Dec. 31, 2021 |
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Stock-based compensation expense | $ 1,811 | $ 2,092 | ||
Remaining expense to be recognized, if all vesting conditions are met(1) | [1] | $ 4,142 | $ 6,640 | |
Weighted average remaining contractual term (in years) (Year) | 1 year 9 months 18 days | 2 years 2 months 12 days | ||
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